{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08580_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Houston, Texas | 1907 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"121"},{"label":"placed","value":"99"},{"label":"unplaced","value":"22"},{"label":"fit sources","value":"georef 68, georef-snap 36, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"10 sheet(s) cut into 22 panels"},{"label":"unplaced pages","value":"p0__1 (tier 4, 29.75183,-95.36480 +/-3037m); p0__2 (tier 4, 29.75183,-95.36480 +/-3037m); p101__1 (tier 1, 29.75163,-95.34332 +/-206m); p101__2 (tier 1, 29.75033,-95.34438 +/-184m); p102__1 (tier 1, 29.75414,-95.33197 +/-112m); p21 (tier 1, 29.76022,-95.36929 +/-255m); p26 (tier 1, 29.75341,-95.36002 +/-256m); p47__2 (tier 1, 29.75478,-95.37590 +/-100m); p79__1 (tier 1, 29.73839,-95.38149 +/-100m); p88__1 (tier 1, 29.75947,-95.37817 +/-191m); p89 (tier 3, 29.76356,-95.35140 +/-538m); p90 (tier 1, 29.76262,-95.35167 +/-125m); p95__1 (tier 1, 29.75369,-95.34001 +/-193m); p95__2 (tier 2, 29.75334,-95.34073 +/-142m); p95__3 (tier 2, 29.75334,-95.34073 +/-142m); p96 (tier 2, 29.76074,-95.34455 +/-359m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p1","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.0,1673.0 104.8,1398.0 -0.0,1400.7 -0.0,0.0 1503.5,-0.0 1613.0,528.0 1575.0,669.0 1513.9,669.6 1572.7,1662.4 113.0,1673.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[592.0,681.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3612942,29.7647858]}},{"type":"Feature","properties":{"resourceCoords":[113.0,1673.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3633349,29.7638075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1551.8,318.6 1549.3,1673.7 63.8,1678.6 64.6,313.9 110.1,0.5 1518.6,-0.0 1551.8,318.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35368971932954,29.761736711632402]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35089878973614,29.76006686055417]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35316409303825,29.757173107483116]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35595502263165,29.75884295856135]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0100/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p100","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0100/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0100","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1817.4 80.5,1815.7 54.8,208.1 -0.0,207.9 -0.0,-0.0 1547.3,0.0 1550.9,675.2 1439.7,675.4 1444.0,902.2 1613.0,900.0 1613.0,1913.0 -0.0,1913.0 -0.0,1817.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0100/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34290611227007,29.750246360790698]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34090945987973,29.752700472258727]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.33758053576693,29.750630073218606]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.33957718815728,29.748175961750576]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0102__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p102 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0102__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0102","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,476.3 1613.0,265.3 1613.0,103.0 1613.0,0.0 -0.0,-0.0 0.0,883.6 494.2,883.1 501.9,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0102__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[492.0,833.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3339586,29.7521578]}},{"type":"Feature","properties":{"resourceCoords":[1273.0,833.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3330678,29.7533404]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p11","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1555.1,199.0 1560.0,1667.0 103.1,1665.5 100.4,187.7 1555.1,199.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[101.0,676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.35241,29.758345]}},{"type":"Feature","properties":{"resourceCoords":[1560.0,1667.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3510242,29.7552991]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1042.2,1666.2 82.5,1669.0 71.0,212.7 1613.0,190.0 1613.0,1913.0 1044.2,1913.0 1042.2,1666.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[82.0,1177.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.350423,29.7560578]}},{"type":"Feature","properties":{"resourceCoords":[83.0,1669.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3510242,29.7552991]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1564.6,175.0 1558.0,1674.5 82.3,1673.6 93.0,168.2 1564.6,175.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35810094654498,29.761036647160193]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35527278818768,29.759349159263323]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35756200128773,29.756416785178654]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36039015964504,29.758104273075524]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p14","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"84.0,167.0 1535.4,162.2 1537.6,454.6 1533.4,1642.3 89.0,1654.0 84.0,167.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[89.0,651.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.356149,29.758382]}},{"type":"Feature","properties":{"resourceCoords":[89.0,1654.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.357373,29.7568398]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1082.8,1526.8 1082.2,1720.0 -0.0,1719.0 95.4,1204.8 96.6,213.3 1475.2,191.9 1484.8,1520.8 1082.8,1526.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35350647556471,29.757248911106103]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3507186974866,29.7555409413085]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35303560846616,29.752650326368308]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35582338654427,29.75435829616591]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p16","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1056.8,1515.1 -0.0,1513.9 -0.0,203.2 1055.3,201.9 1056.9,449.4 1613.0,450.4 1613.0,1262.7 1561.4,1290.0 1536.0,1708.0 1056.5,1712.5 1056.8,1515.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[93.0,203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3510242,29.7552991]}},{"type":"Feature","properties":{"resourceCoords":[1536.0,1708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.350294,29.751459]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p17","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"155.1,1686.3 159.1,202.3 1585.3,196.8 1586.6,1673.1 155.1,1686.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[604.0,693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3596884,29.75712]}},{"type":"Feature","properties":{"resourceCoords":[1092.0,1190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3594375,29.7558524]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p18","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1556.8,169.5 1460.0,686.0 1613.0,685.7 1613.0,1196.6 1461.5,1195.4 1466.0,1913.0 77.6,1913.0 77.0,185.0 1556.8,169.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[77.0,1680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.35916,29.7546]}},{"type":"Feature","properties":{"resourceCoords":[77.0,185.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.357373,29.7568398]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p19","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1563.5,1175.3 1567.5,1677.5 589.6,1691.4 592.1,1913.0 -0.0,1913.0 -0.0,678.3 149.9,680.4 153.1,174.7 1080.5,193.1 1082.8,-0.0 1498.7,2.0 1498.2,1175.0 1525.0,1175.2 1563.5,1175.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1080.0,681.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3543049,29.7527637]}},{"type":"Feature","properties":{"resourceCoords":[1080.0,1671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3554895,29.7512591]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1581.0,1683.5 43.6,1680.2 -0.0,680.1 61.5,680.5 106.9,574.6 -0.0,0.0 1482.1,-0.0 1472.1,695.4 1613.0,695.0 1581.0,1683.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1084.0,1187.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3584108,29.7619419]}},{"type":"Feature","properties":{"resourceCoords":[1084.0,1682.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3589992,29.7611966]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p20","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1535.0,195.0 1535.0,1677.0 69.2,1667.3 65.0,1167.5 -0.0,1167.3 -0.0,0.0 1051.6,-0.0 1051.1,199.2 1535.0,195.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1535.0,195.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.350294,29.751459]}},{"type":"Feature","properties":{"resourceCoords":[1535.0,1677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3520771,29.7491964]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.5,1848.7 -0.0,1773.7 -0.0,0.0 67.1,-0.0 55.7,273.6 1547.1,264.2 1545.6,1737.5 62.4,1741.5 58.5,1848.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0022/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36929424195223,29.761298070281104]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36648979689902,29.75959707425818]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36879734061597,29.756689294551506]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37160178566918,29.75839029057443]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p23","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.2,1666.7 100.9,178.2 1552.0,190.9 1541.3,1678.0 96.2,1666.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[592.0,1177.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3672589,29.7572571]}},{"type":"Feature","properties":{"resourceCoords":[592.0,188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3660843,29.7587439]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p24","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1572.6,1666.2 -0.0,1670.4 15.1,-0.0 59.6,-0.0 82.1,184.9 1552.7,186.2 1572.6,1666.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[86.0,677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3648681,29.7569232]}},{"type":"Feature","properties":{"resourceCoords":[1062.0,1668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.364375,29.754421]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p25","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"101.5,1662.9 88.5,186.9 1573.3,177.5 1573.4,409.5 1613.0,408.8 1613.0,1495.2 1565.7,1494.2 1555.5,1669.0 101.5,1662.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[589.0,677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.361466,29.75487]}},{"type":"Feature","properties":{"resourceCoords":[1085.0,183.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.360014,29.755099]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p27","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1574.4,1675.4 592.4,1667.8 592.9,1617.5 594.2,1473.9 177.9,1470.2 188.4,1020.2 -0.0,1015.8 -0.0,430.0 594.5,429.2 591.6,205.3 1579.4,189.8 1574.4,1675.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[597.0,1169.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.357506,29.750283]}},{"type":"Feature","properties":{"resourceCoords":[1084.0,677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3560789,29.7505206]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p28","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1528.5,197.2 1533.0,1669.0 58.9,1663.3 57.9,194.9 1528.5,197.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1533.0,684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3526573,29.7484534]}},{"type":"Feature","properties":{"resourceCoords":[1533.0,1669.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3538473,29.7469597]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,151.4 97.2,149.9 97.5,88.9 1569.8,88.2 1573.5,1563.7 1508.2,1563.8 1512.4,1910.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0029/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35411909182746,29.74690509001349]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35217820575403,29.749354837062615]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34885531269629,29.74734219693227]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35079619876971,29.744892449883146]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"97.8,1678.2 84.6,167.0 1555.8,160.3 1563.9,1672.8 97.8,1678.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3632794857289,29.764146904034234]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36051089338436,29.762453456645343]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36280826277569,29.759582933207586]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36557685512022,29.761276380596478]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1482.8,1913.0 -0.0,1913.0 -0.0,1568.1 62.9,1568.4 67.8,98.6 1549.2,103.5 1535.0,1576.9 1474.2,1576.6 1482.8,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35233087634596,29.749195849007325]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35039893017128,29.75166502103558]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34704961131806,29.749661697551215]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34898155749273,29.74719252552296]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p31","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0031","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1437.1,195.9 1447.0,1444.3 1613.0,1450.2 1613.0,1913.0 -0.0,1913.0 -0.0,1423.5 55.6,1424.8 103.2,80.5 432.8,91.9 512.6,161.1 1437.1,195.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[82.0,533.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3494381,29.7509235]}},{"type":"Feature","properties":{"resourceCoords":[577.0,63.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3497257,29.7522808]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p32","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1552.8,147.1 1549.5,1913.0 244.0,1913.0 232.4,1514.0 50.8,1511.6 -0.0,143.5 1552.8,147.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0032/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34862295147018,29.75374187119354]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34668265555096,29.756202629246157]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34334459988281,29.754190737932944]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34528489580202,29.751729979880327]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0033","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.0,189.5 1554.0,174.8 1558.7,1649.9 106.4,1669.1 89.0,189.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0033/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36862151729265,29.75741142548598]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36584890953624,29.755696780516796]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3681748792828,29.75282190008333]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37094748703922,29.754536545052513]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p34","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0034","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4.4,1913.0 -0.0,183.8 1541.8,178.5 1539.5,1669.8 69.3,1664.2 71.5,1913.0 4.4,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0034/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1042.0,1170.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3655519,29.7529271]}},{"type":"Feature","properties":{"resourceCoords":[550.0,1666.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3669993,29.7526974]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p35","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0035","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1532.3,1656.3 111.3,1671.6 105.1,189.0 1551.2,178.8 1532.3,1656.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[594.0,676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.363241,29.75264]}},{"type":"Feature","properties":{"resourceCoords":[1080.0,676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3623996,29.7521241]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p36","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0036","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1328.9,1687.5 -0.0,1676.8 11.9,-0.0 1613.0,-0.0 1613.0,1867.1 1328.9,1687.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[553.0,1170.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.36126,29.75033]}},{"type":"Feature","properties":{"resourceCoords":[553.0,1665.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.361864,29.749602]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p37","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0037","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1569.7,1658.0 114.2,1658.0 115.0,1350.6 167.3,1396.7 171.6,-0.0 580.9,-0.0 580.8,190.7 1546.2,189.6 1569.7,1658.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0037/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[601.0,1662.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.35987,29.747281]}},{"type":"Feature","properties":{"resourceCoords":[1563.0,677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3569819,29.7477562]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0038","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1532.9,1668.7 68.8,1648.7 78.5,176.2 1613.0,199.8 1609.1,1496.3 1536.5,1494.7 1532.9,1668.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0038/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35634530366504,29.74886690142643]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35350598509906,29.747202552923717]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35576353345293,29.74425824968935]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3586028520189,29.745922598192063]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0039__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p39 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0039__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0039","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1146.0,273.2 751.8,536.2 640.0,496.2 563.1,391.5 562.3,672.1 320.5,828.2 378.9,912.7 91.8,1134.8 44.0,1106.7 -0.0,1138.4 44.5,1913.0 1581.1,1913.0 1581.0,273.0 1146.0,273.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0039__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1581.0,273.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.370468,29.75479]}},{"type":"Feature","properties":{"resourceCoords":[1581.0,1759.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3722435,29.7525487]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0039__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p39 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2257.2"},{"label":"split_canvas_h","value":"4140.4"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0039__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0039","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"296.8,190.2 262.2,143.8 98.2,257.9 403.3,266.1 393.4,118.0 296.8,190.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0039__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[249.1,521.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.375065,29.754546]}},{"type":"Feature","properties":{"resourceCoords":[54.0,233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3750726,29.7551946]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.8,1473.8 49.6,1473.4 47.0,166.6 1574.8,155.7 1576.0,1669.5 115.4,1667.3 114.8,1473.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36068264330974,29.762574903200974]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35788542209555,29.760877335603773]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36018834460566,29.757977083365557]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36298556581986,29.759674650962758]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p40","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0040","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"59.9,1743.8 69.5,287.6 1497.5,292.2 1498.6,535.3 1564.5,535.8 1565.6,292.1 1613.0,292.6 1613.0,1752.3 1555.1,1752.1 1556.5,1583.7 1493.8,1583.5 1492.6,1751.9 59.9,1743.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0040/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37024355995077,29.755307935344998]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36739119560879,29.753604793376482]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36970151211287,29.750647151584985]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37255387645484,29.7523502935535]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p41","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0041","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"182.6,1661.5 168.8,176.7 1585.1,187.7 1589.7,1662.9 182.6,1661.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0041/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[598.0,670.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3675907,29.7519584]}},{"type":"Feature","properties":{"resourceCoords":[598.0,1662.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.368784,29.750461]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p42","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0042","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1537.2,686.2 1536.5,1667.3 64.2,1666.9 57.9,201.6 1613.0,197.9 1613.0,685.6 1537.2,686.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0042/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[551.0,1177.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.365615,29.7496545]}},{"type":"Feature","properties":{"resourceCoords":[1044.0,685.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.364156,29.749883]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p43","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0043/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0043","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1591.8,1658.3 112.8,1659.6 112.5,677.9 188.3,677.2 187.8,189.2 1204.1,194.3 1350.0,222.1 1588.9,370.4 1591.8,1658.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0043/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[595.0,1170.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3630481,29.7481052]}},{"type":"Feature","properties":{"resourceCoords":[1086.0,1170.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3621909,29.7475878]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p44","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0044","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"74.8,1672.5 67.1,189.7 1543.9,184.8 1544.0,1677.0 74.8,1672.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0044/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36060435092426,29.748159863786725]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35782878074694,29.74646383577095]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36012928388566,29.743585618270675]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36290485406298,29.74528164628645]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p45","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0045","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"130.0,1913.0 126.2,1682.2 66.3,1684.5 60.1,190.4 1540.1,175.9 1539.7,-0.0 1613.0,-0.0 1613.0,1447.6 1511.1,1448.0 1509.8,1913.0 130.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0045/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35804287408521,29.746607335465786]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35527874760486,29.74490357350191]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3575897058134,29.742037179122775]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36035383229375,29.74374094108665]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p46","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0046","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 -0.0,1913.0 -0.0,0.0 1613.0,-0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0046/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[525.0,1172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.357743,29.740433]}},{"type":"Feature","properties":{"resourceCoords":[525.0,674.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.357112,29.741211]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0047__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p47 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0047__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0047","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"446.6,1856.1 1556.7,1839.0 1525.6,469.9 1554.4,545.4 1517.5,-0.0 1135.8,-0.0 -0.0,812.2 -0.0,1232.4 446.6,1856.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0047__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1168.0,-24.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3750726,29.7551946]}},{"type":"Feature","properties":{"resourceCoords":[1138.0,1832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3774198,29.7523923]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p48","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0048/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0048","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"73.8,1830.2 57.0,1829.8 -0.0,1829.7 -0.0,447.7 27.4,524.3 1552.2,533.5 1536.6,1852.0 73.8,1830.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0048/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37452371461795,29.754744457076068]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37168813777662,29.753073330524916]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37395501284169,29.750133079703115]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37679058968303,29.751804206254267]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p49","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0049","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1659.9 98.7,1646.3 99.3,166.9 1551.0,177.0 1550.5,1159.2 1613.0,1160.3 1613.0,1659.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0049/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[592.0,1161.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3725739,29.7505288]}},{"type":"Feature","properties":{"resourceCoords":[592.0,171.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3713878,29.7520301]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p50","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0050","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"70.8,1653.8 73.0,1154.2 9.4,1153.2 13.8,-0.0 78.0,-0.0 76.5,171.1 1544.2,173.5 1540.9,1655.8 70.8,1653.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0050/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36953860308415,29.751296901796152]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36673505270652,29.749615118481678]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36901630546802,29.74670797677566]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37181985584566,29.748389760090134]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0051","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1559.8,1663.7 80.8,1672.8 72.2,193.8 1553.0,184.9 1559.8,1663.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0051/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36695230908204,29.749793138396363]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36415806176379,29.748087743549767]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36647130780412,29.745190205371948]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36926555512237,29.746895600218544]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p52","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0052","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1551.9,1665.6 84.4,1674.8 73.5,195.2 1560.9,182.0 1551.9,1665.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0052/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36437568924345,29.748243759973338]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36158866382013,29.746532523015528]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36390979797778,29.74364242851115]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3666968234011,29.74535366546896]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p53","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0053","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1116.8,1617.5 1105.8,1913.0 -0.0,1913.0 -0.0,1183.5 529.5,790.4 554.0,698.9 737.0,697.5 384.0,220.7 1554.7,188.0 1586.9,1598.5 1116.8,1617.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0053/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1068.0,188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3774198,29.7523923]}},{"type":"Feature","properties":{"resourceCoords":[1560.0,683.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.377183,29.7510923]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p54","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0054/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0054","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1538.1,206.4 1540.1,1619.9 1054.1,1615.5 1052.7,1505.9 568.6,1503.4 568.4,1629.2 87.2,1627.7 85.6,195.6 1538.1,206.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0054/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[88.0,1169.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3777412,29.7503636]}},{"type":"Feature","properties":{"resourceCoords":[564.0,199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.375724,29.751345]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p55","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0055","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.9,1523.8 97.2,176.0 1613.0,180.7 1613.0,441.2 1560.2,441.3 1553.2,1529.2 94.9,1523.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0055/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37397529068993,29.750673122120013]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37118931654756,29.748993019708198]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37346827525336,29.746104085936345]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37625424939573,29.74778418834816]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p56","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"17"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0056/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0056","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"90.7,1612.3 88.8,1913.0 23.8,1913.0 27.2,436.5 80.5,436.6 80.2,177.8 89.5,177.8 89.8,177.8 1553.9,183.8 1554.5,1767.0 1060.1,1760.2 1057.7,1608.4 90.7,1612.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0056/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[566.0,1155.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.371729,29.74673]}},{"type":"Feature","properties":{"resourceCoords":[1055.0,1155.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.370874,29.74622]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p57","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0057","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"589.7,1610.7 587.9,1766.2 102.1,1768.0 90.5,189.0 1613.0,185.3 1613.0,1500.1 1571.6,1500.5 1574.3,1913.0 1084.7,1913.0 1079.3,1616.6 589.7,1610.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0057/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[582.0,1160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.369159,29.745184]}},{"type":"Feature","properties":{"resourceCoords":[1080.0,675.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.367701,29.745393]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p58","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0058","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"566.0,1616.8 563.1,1496.3 109.2,1501.4 114.7,171.0 1545.0,167.7 1536.3,911.7 1613.0,910.9 1613.0,1484.5 1529.5,1485.5 1530.4,1772.1 1062.8,1764.7 1060.4,1615.7 566.0,1616.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0058/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36616706489345,29.74594753661341]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36339809652986,29.744261674053956]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36568476076178,29.74139023920912]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36845372912536,29.743076101768576]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p59","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0059","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"95.2,1365.6 238.6,1365.9 233.8,1053.0 -0.0,1056.6 -0.0,429.0 577.4,434.8 577.4,434.8 1061.9,439.6 1076.1,139.5 1613.0,124.5 1613.0,1723.2 1568.0,1723.6 1569.6,1913.0 246.9,1913.0 244.2,1736.2 100.5,1735.5 95.2,1365.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0059/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1076.0,1363.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.380662,29.7482992]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3783,29.749663]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p5 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1535.2,1764.7 1544.8,-0.0 -0.0,0.0 0.0,959.0 706.0,964.2 706.1,1316.3 0.0,1582.7 -0.0,1913.0 68.5,1913.0 65.0,1739.8 1535.2,1764.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1052.0,1250.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3653707,29.7628156]}},{"type":"Feature","properties":{"resourceCoords":[1546.0,273.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3633349,29.7638075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p5 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3836.0"},{"label":"split_canvas_w","value":"2824.4"},{"label":"split_canvas_h","value":"2494.8"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"581.2,963.3 0.0,959.0 -0.0,1582.7 399.7,1431.9 581.2,963.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,959.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36930479255808,29.762760245496498]}},{"type":"Feature","properties":{"resourceCoords":[706.1,959.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36788169423325,29.76244566375]}},{"type":"Feature","properties":{"resourceCoords":[706.1,1582.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3682002542868,29.761344307695637]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1582.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36962335261164,29.761658889442135]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p6","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"100.0,1416.6 32.8,1416.1 32.3,1913.0 -0.0,1913.0 -0.0,1266.2 108.0,1226.4 124.0,848.8 115.2,564.8 -0.0,607.3 -0.0,0.0 35.8,-0.0 39.9,364.6 108.9,363.8 103.5,189.2 1585.5,197.6 1583.6,1693.0 88.4,1691.5 100.0,1416.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1084.0,703.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.366607,29.7612831]}},{"type":"Feature","properties":{"resourceCoords":[1084.0,1689.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.367789,29.759791]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p60","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0060","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.4,1727.1 132.7,122.8 557.0,124.0 557.1,-0.0 1043.5,-0.0 1045.0,110.1 1533.3,114.5 1538.2,1729.7 114.4,1727.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0060/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1048.0,1358.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3780862,29.7467592]}},{"type":"Feature","properties":{"resourceCoords":[557.0,124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.377454,29.749153]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p61","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0061","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"576.7,1730.2 83.7,1732.6 78.4,-0.0 1548.4,-0.0 1554.2,1556.9 576.5,1557.4 576.7,1730.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0061/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37576068041717,29.748354662707406]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3730039746202,29.7466788016651]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37527712800448,29.7438201523026]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37803383380145,29.745496013344905]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p62","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0062","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"88.3,1520.7 25.3,1520.9 22.9,410.0 87.8,433.7 89.4,110.0 1054.4,105.1 1057.0,256.6 1613.0,263.1 1613.0,1506.4 1548.7,1505.8 1548.6,1514.8 1057.7,1497.4 1057.5,1725.0 88.7,1722.4 88.3,1520.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0062/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[88.0,1345.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3746006,29.7446553]}},{"type":"Feature","properties":{"resourceCoords":[1058.0,1725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.373361,29.743063]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p63","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0063","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"594.4,1516.0 169.4,1511.0 171.9,271.3 593.9,273.1 597.0,118.0 1085.5,127.9 1088.4,423.6 1576.8,427.6 1573.0,1737.0 595.5,1731.1 594.4,1516.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0063/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[597.0,1360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.371191,29.742597]}},{"type":"Feature","properties":{"resourceCoords":[597.0,118.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.369694,29.7444933]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p64","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0064","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.5,1738.5 59.2,-0.0 555.7,-0.0 558.0,120.1 1049.2,124.5 1050.8,272.8 1515.3,285.5 1515.8,-0.0 1613.0,-0.0 1613.0,1913.0 1575.7,1913.0 1581.8,1565.4 1523.3,1564.0 1523.1,1750.5 57.5,1738.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0064/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[550.0,1365.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.368626,29.741055]}},{"type":"Feature","properties":{"resourceCoords":[550.0,1740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.369073,29.740488]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0065/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p65","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0065/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0065","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0065/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[457.0,1104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3896795,29.7481283]}},{"type":"Feature","properties":{"resourceCoords":[1576.0,1104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3873052,29.7481827]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p66","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0066/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0066","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"775.2,750.4 775.0,962.0 989.3,1111.6 1171.8,1105.3 1170.7,737.7 1587.3,732.8 1613.0,1913.0 68.6,1913.0 35.7,29.1 -0.0,-0.0 605.9,0.0 326.4,397.8 391.4,397.0 390.7,695.7 477.4,755.8 775.2,750.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0066/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3873648614755,29.75027158686309]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38393754604793,29.750298819232]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38390060692443,29.746744846293574]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.387327922352,29.746717613924663]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p67","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"18"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0067","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"421.6,909.7 111.3,1127.5 -0.0,979.4 -0.0,709.8 179.1,585.0 -0.0,340.4 -0.0,229.8 253.1,54.1 214.2,0.0 677.8,0.0 714.6,0.0 1018.8,0.0 1613.0,0.0 1613.0,1913.0 1290.6,1913.0 1293.2,1765.3 1249.5,1763.0 912.0,1765.0 909.0,1913.0 -0.0,1913.0 -0.0,1756.2 43.6,1725.8 49.9,1685.2 670.0,1256.8 421.6,909.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0067/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[912.0,1765.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3828242,29.7487798]}},{"type":"Feature","properties":{"resourceCoords":[912.0,1272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3836683,29.7492813]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p68","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0068/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0068","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,316.8 69.1,317.7 68.5,126.8 1545.2,132.5 1542.7,1763.5 483.3,1763.5 484.1,1913.0 -0.0,1913.0 -0.0,316.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0068/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1056.0,994.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3795664,29.7448813]}},{"type":"Feature","properties":{"resourceCoords":[1056.0,1368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3800156,29.7443137]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p69","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0069/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0069","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.6,1829.1 65.4,174.9 558.5,172.8 558.4,-0.0 1536.2,-0.0 1541.3,1818.3 65.6,1829.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0069/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37758057975697,29.746007968622948]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37482326668307,29.744333711317182]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37709419167085,29.741474365396726]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37985150474475,29.743148622702492]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p7","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1572.6,1695.7 122.9,1683.0 126.7,193.9 1575.4,206.9 1574.3,1197.7 1613.0,1198.0 1613.0,1506.9 1573.2,1506.9 1572.6,1695.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1100.0,705.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3640357,29.7597332]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,1693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.365223,29.7582304]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p70","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0070","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.2,1822.8 16.1,-0.0 79.6,-0.0 77.8,202.6 1053.1,209.1 1055.5,-0.0 1549.8,-0.0 1528.3,1841.0 0.2,1822.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0070/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37495052508086,29.744470141506028]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37213749131247,29.742803301167527]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37439832065893,29.73988612691942]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37721135442732,29.74155296725792]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0071/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p71","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0071/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0071","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1838.8 1613.0,1913.0 668.8,1913.0 667.7,1736.5 98.2,1740.0 82.0,-0.0 567.6,-0.0 571.1,213.5 1541.5,207.7 1565.9,1789.5 1516.5,1814.5 1613.0,1838.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0071/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[575.0,599.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3721105,29.7414397]}},{"type":"Feature","properties":{"resourceCoords":[575.0,1816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3736139,29.739583]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0072/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p72","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0072/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0072","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 160.5,1913.0 160.3,1882.1 61.0,1858.4 111.7,1832.2 78.1,211.7 1557.0,187.7 1553.5,-0.0 1613.0,-0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0072/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36980434133616,29.74139697830835]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36706806015526,29.739684047945623]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36939133325075,29.73684638131436]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37212761443165,29.73855931167709]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0073/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p73","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0073/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0073","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 38.8,1913.0 84.2,174.4 1613.0,195.8 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0073/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36242707482837,29.745916498663252]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35962757125216,29.744250461757904]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3618873437152,29.741347360812252]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36468684729141,29.7430133977176]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0074/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p74","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0074/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0074","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1548.3,1913.0 930.5,1913.0 76.8,645.5 -0.0,698.7 -0.0,80.1 1555.3,79.2 1548.3,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0074/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38139592403311,29.744433263693825]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37858229067659,29.742751115780205]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38086388183535,29.739833318834727]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38367751519188,29.741515466748346]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0075/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p75","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0075/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0075","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1049.7,1913.0 580.0,1913.0 580.9,1775.6 91.9,1770.3 101.4,67.8 1613.0,84.8 1572.6,1785.8 1104.1,1780.7 1104.8,1656.7 1050.0,1654.5 1049.7,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0075/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[589.0,915.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.378928,29.740886]}},{"type":"Feature","properties":{"resourceCoords":[589.0,72.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3779214,29.7421785]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0076/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p76","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0076/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0076","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 70.1,1913.0 69.1,82.5 1039.9,83.7 1040.5,-0.0 1613.0,-0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0076/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1050.0,916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.375457,29.738804]}},{"type":"Feature","properties":{"resourceCoords":[564.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.375862,29.739879]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0077/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p77","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0077/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0077","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1450.9,20.8 1463.9,1626.2 1613.0,1625.3 1613.0,1913.0 -0.0,1913.0 -0.0,0.0 1450.9,20.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0077/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[967.0,1629.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3854789,29.7415689]}},{"type":"Feature","properties":{"resourceCoords":[967.0,25.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3820727,29.7415856]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0078/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p78","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0078/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0078","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 268.0,1913.0 270.2,1639.3 119.5,1639.0 119.5,16.0 1613.0,-0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0078/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[120.0,1639.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3854669,29.7406529]}},{"type":"Feature","properties":{"resourceCoords":[119.0,16.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3820585,29.7406936]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0079__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p79 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0079__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0079","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,870.4 1553.8,872.8 1564.1,242.5 1086.6,247.7 1086.0,108.0 589.0,108.0 589.4,234.1 -0.0,235.5 -0.0,282.9 784.2,1358.8 387.4,1657.6 387.4,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0079__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[589.0,108.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.380827,29.74009]}},{"type":"Feature","properties":{"resourceCoords":[1086.0,108.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.37997,29.739575]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"19.9,-0.0 85.7,-0.0 87.4,195.3 1613.0,188.4 1613.0,1689.9 96.7,1700.5 74.0,1515.6 69.6,1509.6 67.1,1197.3 27.9,1197.5 19.9,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3624044055118,29.760309850106573]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35964426805397,29.75861417986759]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36194456502835,29.755752313137656]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36470470248618,29.75744798337664]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p80","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0080/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0080","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.4,1909.8 72.8,879.1 14.2,883.1 1.6,0.0 57.0,-0.0 60.4,124.5 532.4,110.8 538.2,247.8 1613.0,217.3 1613.0,1913.0 96.4,1909.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0080/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37899974243787,29.739276071824634]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37625224517666,29.73751850385953]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37863601008503,29.734669144803306]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38138350734624,29.73642671276841]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0081/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p81","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0081/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0081","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1483.9,1913.0 -0.0,1913.0 -0.0,132.3 279.1,130.7 278.2,88.0 277.7,66.0 1558.5,45.0 1566.2,1751.7 1483.8,1751.6 1483.9,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0081/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1558.0,733.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3813142,29.7539019]}},{"type":"Feature","properties":{"resourceCoords":[1558.0,45.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.381325,29.7551541]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0082/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p82","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0082/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0082","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"82.5,1744.3 75.2,36.6 1585.4,39.0 1334.8,382.4 1338.0,1792.0 1184.2,1680.8 1107.7,1742.3 423.9,1746.0 301.4,1913.0 -0.0,1913.0 -0.0,1744.2 82.5,1744.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0082/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[75.0,725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3813142,29.7539019]}},{"type":"Feature","properties":{"resourceCoords":[912.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3795717,29.7551597]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0083__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p83 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0083__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0083","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1592.1,1839.6 1597.1,462.9 1424.0,473.5 1424.3,431.3 832.4,427.8 831.4,0.0 -0.0,-0.0 -0.0,1913.0 757.2,1913.0 756.3,1849.9 1592.1,1839.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0083__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1590.0,1160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3822369,29.7564072]}},{"type":"Feature","properties":{"resourceCoords":[1177.0,1846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3831052,29.7551163]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0083__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p83 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3325.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3126.4"},{"label":"split_canvas_h","value":"1729.6"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0083__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0083","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 1528.7,0.0 1527.9,150.8 831.7,142.3 832.4,427.8 1613.0,432.4 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0083__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[993.3,71.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3701813,29.7374988]}},{"type":"Feature","properties":{"resourceCoords":[1489.1,71.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3693631,29.7369996]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0084/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p84","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0084/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0084","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"182.5,1855.8 177.5,442.9 -0.0,455.1 -0.0,-0.0 1153.4,0.0 1227.8,20.0 1228.0,341.4 1613.0,337.6 1613.0,809.1 1440.7,809.6 1443.0,1852.0 182.5,1855.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0084/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[605.0,816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3813411,29.7570349]}},{"type":"Feature","properties":{"resourceCoords":[1443.0,1852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3795717,29.7551597]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0085/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p85","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0085/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0085","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"211.2,809.8 382.5,809.4 382.7,340.7 -0.0,344.2 -0.0,-0.0 1290.4,0.0 1318.6,1844.7 213.0,1846.0 211.2,809.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0085/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1048.0,808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3778262,29.7570694]}},{"type":"Feature","properties":{"resourceCoords":[213.0,1846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3795717,29.7551597]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0086/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p86","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0086/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0086","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 -0.0,1853.6 -0.0,8.8 1613.0,0.0 1613.0,45.7 1201.3,59.5 1214.9,466.1 1416.6,469.7 1412.6,1530.5 1613.0,1533.3 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0086/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37732704693515,29.758567138570555]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37395134183781,29.758632387804077]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37386282768776,29.755132223626067]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3772385327851,29.755066974392545]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0087/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p87","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0087/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0087","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 1613.0,1771.7 1535.5,1868.4 606.1,1913.0 -0.0,1913.0 -0.0,-0.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0087/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37481018819435,29.758506891495045]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37143808477019,29.758670780451723]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3712157604058,29.755174351379846]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37458786382996,29.75501046242317]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0088__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p88 [2]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"17"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0088__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0088","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"93.0,20.0 84.6,462.9 212.0,460.0 607.9,1029.1 792.7,1000.3 1090.3,1371.3 1090.8,1491.9 1152.7,1452.2 1576.8,1444.2 1547.6,-0.0 93.0,20.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0088__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1559.0,474.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.369279,29.756291]}},{"type":"Feature","properties":{"resourceCoords":[93.0,20.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3712865,29.7585851]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p9","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1597.7,1666.6 122.0,1679.0 108.5,1189.0 146.3,698.9 -0.0,701.4 -0.0,0.0 1613.0,-0.0 1573.6,311.7 1597.7,1666.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[600.0,1185.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.356706,29.7609164]}},{"type":"Feature","properties":{"resourceCoords":[122.0,1679.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3581391,29.7606815]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0091/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p91","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0091/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0091","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"83.0,1809.0 52.5,1172.2 46.0,1136.5 -0.0,1136.7 -0.0,0.0 1488.3,-0.0 1487.3,98.2 1613.0,119.3 1613.0,1492.8 1456.3,1771.5 1493.1,1770.0 1471.1,1805.6 83.0,1809.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0091/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1055.0,1809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.350108,29.7580584]}},{"type":"Feature","properties":{"resourceCoords":[83.0,1809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.351823,29.759095]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0092/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p92","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0092/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0092","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1352.5,1774.0 100.5,1787.1 123.2,1751.4 86.0,1752.5 247.8,1472.8 266.2,-0.0 1613.0,-0.0 1613.0,907.7 1350.4,898.1 1352.5,1774.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0092/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34741254402131,29.76045428334429]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34457157921369,29.758783378727628]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34685618441252,29.755860790992198]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34969714922013,29.75753169560886]}},{"type":"Feature","properties":{"resourceCoords":[1352.0,1774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.347149,29.756343]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0093/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p93","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0093/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0093","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.4,894.6 376.1,901.8 368.5,-0.0 648.5,-0.0 649.1,92.9 1613.0,92.0 1613.0,921.4 1459.6,920.5 1464.7,1777.8 122.9,1770.2 113.4,894.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0093/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1131.0,549.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.343908,29.75714]}},{"type":"Feature","properties":{"resourceCoords":[1131.0,1779.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3453955,29.7552713]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0094/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p94","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0094/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0094","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1791.8 -0.0,929.0 154.8,929.8 159.8,95.1 751.5,92.7 751.2,-0.0 1613.0,-0.0 1613.0,550.8 1525.1,551.0 1516.2,1799.6 1613.0,1801.0 1613.0,1913.0 799.9,1913.0 802.9,1789.2 -0.0,1791.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0094/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34267562089316,29.75763882168221]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3398789335702,29.755958886938885]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34215784083575,29.75305906802581]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34495452815871,29.754739002769135]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0095__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p95 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2407.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5244.8"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0095__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0095","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1394.3,1913.0 1613.0,1913.0 1613.0,950.1 837.3,948.4 87.9,638.2 84.0,1790.1 175.9,1791.7 176.3,1898.2 742.9,1913.0 744.4,1796.5 1395.5,1805.5 1394.3,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0095__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[512.0,1790.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3414077,29.7528644]}},{"type":"Feature","properties":{"resourceCoords":[84.0,1790.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3421905,29.7533317]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0097/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p97","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0097/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0097","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"207.2,1773.5 167.6,128.6 81.6,130.0 101.8,0.0 1613.0,0.0 1613.0,1723.8 207.2,1773.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0097/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34736788564894,29.76006592845901]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34539726945079,29.762472104605983]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34213304894726,29.760428903182927]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34410366514541,29.758022727035954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0098/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p98","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0098/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0098","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1816.8 20.0,1805.6 -0.0,0.0 968.6,-0.0 1559.7,-0.0 1613.0,-0.0 1613.0,1816.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0098/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1566.0,679.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3402409,29.7584573]}},{"type":"Feature","properties":{"resourceCoords":[1566.0,1431.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3411152,29.7573376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0099/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Houston, Texas | 1907 | sanborn08580_004 p99","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T10:10:01Z","modified":"2026-09-21T10:10:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0099/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0099","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1613.0,0.0 1613.0,88.8 1524.2,86.8 1519.8,295.8 1574.9,297.1 1566.3,1913.0 -0.0,1913.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190701:08580_01_1907-0099/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34487956979194,29.747995229112018]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34295271834966,29.75047341402057]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.33959121516037,29.74847534899477]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34151806660265,29.74599716408622]}}]}}]}