{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08580_005.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":"97"},{"label":"placed","value":"67"},{"label":"unplaced","value":"30"},{"label":"fit sources","value":"georef 40, georef-snap 25, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"13 sheet(s) cut into 28 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 29.77995,-95.34663 +/-257m); p10 (tier 2, 29.76762,-95.34408 +/-100m); p12 (tier 3, 29.76355,-95.34323 +/-544m); p13 (tier 1, 29.77053,-95.35976 +/-252m); p2 (tier 1, 29.76816,-95.36719 +/-267m); p3 (tier 3, 29.76683,-95.36455 +/-544m); p33 (tier 1, 29.77602,-95.34024 +/-254m); p47__1 (tier 1, 29.76439,-95.37208 +/-114m); p4__1 (tier 3, 29.77072,-95.36330 +/-544m); p4__2 (tier 1, 29.76826,-95.36590 +/-126m); p52 (tier 1, 29.76454,-95.36653 +/-129m); p54__2 (tier 1, 29.76922,-95.38547 +/-260m); p5__1 (tier 1, 29.76494,-95.35730 +/-100m); p6 (tier 1, 29.76395,-95.35575 +/-254m); p69 (tier 2, 29.77254,-95.37818 +/-100m); p71 (tier 3, 29.76731,-95.39541 +/-544m); p74__1 (tier 1, 29.76168,-95.39226 +/-197m); p75__1 (tier 2, 29.76992,-95.39699 +/-100m); p75__2 (tier 1, 29.77088,-95.39813 +/-100m); p75__3 (tier 2, 29.76992,-95.39699 +/-100m); p76__1 (tier 1, 29.77757,-95.37777 +/-216m); p76__2 (tier 1, 29.77516,-95.37881 +/-211m); p77 (tier 3, 29.76308,-95.33202 +/-544m); p78__1 (tier 4, 29.77335,-95.36492 +/-5540m); p78__2 (tier 4, 29.77335,-95.36492 +/-5540m); p78__3 (tier 4, 29.77335,-95.36492 +/-5540m); p79__1 (tier 4, 29.77335,-95.36492 +/-5540m); p79__2 (tier 4, 29.77335,-95.36492 +/-5540m); p81__1 (tier 4, 29.77335,-95.36492 +/-5540m); p81__2 (tier 4, 29.77335,-95.36492 +/-5540m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p1","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0001","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"587.7,1781.2 -0.0,1627.3 -0.0,39.4 1671.0,57.6 1671.0,1949.0 1352.0,1949.0 987.4,1862.2 855.7,1877.2 808.3,1943.1 587.7,1781.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[110.0,1370.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3715254,29.7676586]}},{"type":"Feature","properties":{"resourceCoords":[1490.0,55.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3687173,29.7700917]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p11","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0011","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,346.3 588.6,327.0 1635.4,105.5 1635.2,347.5 1671.0,348.2 1671.0,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1164.0,1190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3394695,29.7666494]}},{"type":"Feature","properties":{"resourceCoords":[512.0,464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.340873,29.7679476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p14","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0014","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,920.7 -0.0,-0.0 1671.0,0.0 1671.0,1756.3 1352.5,1949.0 1082.6,1804.2 694.9,1816.8 740.4,1949.0 459.4,1821.0 108.8,1825.8 96.9,912.5 0.0,920.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36014949529917,29.767585303203624]}},{"type":"Feature","properties":{"resourceCoords":[1671.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35909557104326,29.770476295208688]}},{"type":"Feature","properties":{"resourceCoords":[1671.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35520815360053,29.769410028401296]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35626207785644,29.766519036396232]}},{"type":"Feature","properties":{"resourceCoords":[106.0,1374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3573421,29.767017]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0015","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"189.5,1949.0 -0.0,1949.0 114.5,1579.5 340.0,1372.1 260.9,1009.6 -0.0,920.6 -0.0,-0.0 1103.7,0.0 1101.5,124.9 1671.0,134.8 1671.0,187.2 1360.1,359.6 1456.7,753.0 1671.0,647.0 1671.0,1754.8 556.2,1755.4 189.5,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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":[-95.3561877071046,29.771341704385407]}},{"type":"Feature","properties":{"resourceCoords":[1671.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35270773684607,29.77141686656395]}},{"type":"Feature","properties":{"resourceCoords":[1671.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35260744932435,29.767868742712942]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35608741958288,29.7677935805344]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p16","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0016","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"462.4,788.4 249.1,896.8 149.7,501.8 458.8,325.9 458.4,273.2 549.9,274.1 741.5,165.1 743.8,61.2 1504.5,66.1 1540.2,283.4 1521.7,1233.7 1468.3,1711.8 735.2,1710.4 731.3,1904.9 470.9,1902.5 462.4,788.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1130.0,619.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3512878,29.770566]}},{"type":"Feature","properties":{"resourceCoords":[150.0,502.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3533367,29.7707483]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0017","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"254.8,1811.3 261.7,1737.6 210.5,1737.5 258.1,160.0 1431.0,146.9 1436.9,700.4 1369.0,701.4 1377.2,1251.5 1450.9,1318.0 1445.0,1794.5 254.8,1811.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3509580976138,29.77186857471936]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34749825201901,29.771863947789075]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34750440725891,29.768346883245133]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3509642528537,29.768351510175417]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0018","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1075.0,1843.6 59.7,1805.8 72.8,1328.5 -0.0,1260.9 -0.0,709.6 68.1,709.6 70.9,0.0 1676.0,0.0 1676.0,1804.5 1075.0,1843.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34815398070792,29.771877134000082]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34470096988105,29.771917861907138]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34464678923678,29.768407745513617]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34809980006365,29.76836701760656]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0019","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"192.1,1949.0 172.5,0.0 1623.3,14.3 1628.2,407.2 1676.0,412.6 1676.0,1949.0 192.1,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3450500509063,29.7716228352849]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3416140903871,29.77163599840671]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34159657931284,29.76814322891507]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34503253983203,29.76813006579326]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p20","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"4"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0020","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"519.5,1949.0 133.0,1949.0 130.3,583.5 87.2,576.9 82.0,220.0 389.6,223.7 395.6,0.0 1023.6,0.0 1025.6,227.0 1455.9,222.2 1450.0,0.0 1676.0,0.0 1676.0,1949.0 1487.5,1949.0 1483.3,1725.3 519.5,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[82.0,220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.341722,29.77161]}},{"type":"Feature","properties":{"resourceCoords":[1584.0,223.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3383078,29.771611]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0021/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_005 p21","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0021","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"670.5,1949.0 -0.0,1949.0 -0.0,91.7 1656.5,67.0 1676.0,1949.0 1634.0,1728.8 865.3,1731.1 864.0,1836.5 670.5,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[864.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.352114,29.771376]}},{"type":"Feature","properties":{"resourceCoords":[864.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.352141,29.774517]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p22","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"1"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0022","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"241.9,634.5 248.0,288.3 1358.1,305.8 1337.3,1188.9 1427.0,1188.0 1422.7,1738.0 265.2,1728.0 255.6,1661.6 253.2,634.7 241.9,634.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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":[-95.3510468757521,29.774705277771517]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34754141556304,29.774761097127847]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.347466581117,29.77122516463516]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35097204130606,29.77116934527883]}},{"type":"Feature","properties":{"resourceCoords":[1427.0,1188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3480166,29.7725975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0023","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.9,1664.8 90.7,1267.1 -0.0,1270.1 -0.0,-0.0 1513.6,0.0 1558.2,1637.6 96.9,1664.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3481905343163,29.774887452095236]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34472667683353,29.77487185520152]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34474742615964,29.77135082475127]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34821128364241,29.771366421644984]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0024","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"449.3,1800.7 137.8,1795.3 139.1,1632.2 -0.0,1631.1 -0.0,-0.0 842.9,0.0 841.3,148.3 1589.9,164.4 1569.0,904.2 1494.8,1124.2 1474.7,1833.2 449.3,1808.8 449.3,1800.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34506081031819,29.774851728697175]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34160806087019,29.774917489389935]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34152057626696,29.771407745171285]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34497332571496,29.771341984478525]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0025","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.1,1064.2 53.9,0.0 1676.0,0.0 1676.0,1632.6 1572.6,1633.8 1581.6,1871.1 1118.7,1881.5 1113.9,1638.9 438.1,1646.5 434.4,1885.5 -0.0,1887.1 -0.0,1192.2 51.1,1064.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0025/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3419051354731,29.775092994803565]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.33836462346719,29.77506557174793]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.33840110584016,29.771466632738207]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34194161784608,29.77149405579384]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0026/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_005 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0026","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,71.6 100.0,72.6 100.5,0.0 671.7,0.0 694.9,244.3 1211.2,76.4 1212.2,0.0 1669.8,0.0 1676.0,1902.8 1610.6,1901.5 1610.7,1949.0 -0.0,1949.0 -0.0,71.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36435366112806,29.774164537529586]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36118386304348,29.775369770205753]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35958048410308,29.772147648274352]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36275028218766,29.770942415598185]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p27","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0027","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1646.7,176.8 1642.0,1796.0 1672.0,1795.7 1672.0,1949.0 130.9,1949.0 104.3,179.3 1646.7,176.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[875.0,178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3595977,29.7757718]}},{"type":"Feature","properties":{"resourceCoords":[1642.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3567724,29.7735531]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p28","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0028","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"45.5,1820.6 14.9,1820.8 24.2,172.7 965.8,173.8 966.9,0.0 1348.1,0.0 1334.8,516.0 1597.6,515.6 1037.1,1882.7 1199.0,1949.0 45.1,1949.0 45.5,1820.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[963.0,726.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.355825,29.776049]}},{"type":"Feature","properties":{"resourceCoords":[416.0,1818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3560009,29.7738381]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p29","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0029","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,-0.0 449.0,0.0 448.1,336.2 1620.1,295.1 1637.8,1757.2 647.7,1763.1 399.0,1805.5 399.2,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[77.0,665.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.354606,29.776503]}},{"type":"Feature","properties":{"resourceCoords":[1245.0,1763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.352141,29.774517]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0030","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.5,1761.1 39.0,0.0 114.8,0.0 319.9,324.1 456.8,304.9 453.5,118.1 839.5,116.4 840.6,306.2 1267.4,307.6 1267.6,247.1 1536.4,245.7 1527.4,1645.7 1561.5,1645.2 1559.1,1949.0 447.8,1949.0 448.1,1756.7 65.5,1761.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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":[-95.35146338504377,29.777748600079274]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34796090216241,29.77775650289891]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34795038836721,29.774196304275094]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35145287124857,29.774188401455458]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p31","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0031","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"34.6,1633.3 34.5,1709.8 -0.0,1710.5 -0.0,280.2 794.1,271.1 774.4,140.2 1611.8,130.0 1621.8,1331.6 1535.8,1363.7 1554.0,1647.5 34.6,1633.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1189.0,684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3458052,29.776577]}},{"type":"Feature","properties":{"resourceCoords":[1189.0,135.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3458009,29.7775586]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p32","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0032","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1604.7,1769.6 857.3,1765.3 856.5,1617.2 15.3,1630.5 -0.0,1349.0 86.0,1318.2 87.8,127.5 1585.0,124.1 1587.2,338.6 1676.0,340.6 1676.0,1508.0 1599.9,1506.8 1604.7,1769.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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":[-95.34511284140517,29.7777937601838]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34165285502296,29.77781203684469]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34162853999614,29.77429503869304]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34508852637835,29.77427676203215]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p34","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0034","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.1,1746.2 68.6,0.0 1676.0,0.0 1676.0,1949.0 627.0,1949.0 619.8,1733.6 120.1,1746.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0034/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34305159861587,29.780718514958515]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.33960898154432,29.780667305446904]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3396771119708,29.77716806412645]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34311972904236,29.77721927363806]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p35","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0035","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1595.0,1439.0 1484.2,1439.9 1482.2,1931.7 -0.0,1949.0 -0.0,52.7 1676.0,46.9 1676.0,106.5 1591.4,106.3 1595.0,1439.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[551.0,1043.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3648842,29.7783455]}},{"type":"Feature","properties":{"resourceCoords":[1595.0,1439.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3648204,29.776317]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p36","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0036","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"111.0,1454.9 102.3,119.7 187.1,119.5 186.8,59.7 1250.1,45.4 1262.3,497.5 1338.2,496.8 1516.8,1015.1 1276.7,1031.2 1291.8,1595.5 1363.9,1594.4 1365.6,1693.2 1676.0,1686.4 1676.0,1949.0 -0.0,1949.0 -0.0,1456.2 111.0,1454.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[458.0,1057.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3637771,29.7760057]}},{"type":"Feature","properties":{"resourceCoords":[105.0,510.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3629958,29.7769724]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p37","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0037","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,151.8 1574.5,143.4 1591.9,1748.7 -0.0,1755.3 -0.0,151.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0037/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[177.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.361722,29.780179]}},{"type":"Feature","properties":{"resourceCoords":[1579.0,549.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3598379,29.7781263]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p38","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0038","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1442.5,1740.2 198.3,1740.7 193.7,138.1 1448.0,151.3 1442.5,1740.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0038/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[898.0,1357.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3608298,29.7763914]}},{"type":"Feature","properties":{"resourceCoords":[195.0,543.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3598379,29.7781263]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0039/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_005 p39","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"19"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0039","type":"ImageService3","width":1667,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1593.9,1919.6 144.3,1916.7 -0.0,1915.6 -0.0,0.0 721.2,-0.0 1109.5,167.1 1178.1,-0.0 1281.8,-0.0 1667.0,158.6 1667.0,198.3 1592.4,199.4 1593.9,1919.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[891.0,977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.357828,29.7802321]}},{"type":"Feature","properties":{"resourceCoords":[1590.0,977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3572674,29.7790735]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p40","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0040","type":"ImageService3","width":1667,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.2,205.1 151.9,203.6 151.9,164.1 244.2,201.8 834.3,201.1 919.8,-0.0 1025.4,-0.0 1253.5,92.6 1225.7,160.6 1667.0,341.1 1667.0,604.5 1152.2,593.0 1151.7,975.1 1325.0,975.6 1322.5,1919.6 80.8,1913.7 78.2,205.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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":[-95.35544863773913,29.779885768675168]}},{"type":"Feature","properties":{"resourceCoords":[1667.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35411413797864,29.77708349526362]}},{"type":"Feature","properties":{"resourceCoords":[1667.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35786243785249,29.775719706347143]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35919693761298,29.77852197975869]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p41","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0041","type":"ImageService3","width":1667,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"219.2,1273.8 -0.0,734.5 -0.0,136.1 1625.0,133.0 1624.8,1949.0 843.5,1949.0 844.5,1616.9 473.2,1616.6 472.7,1277.5 219.2,1273.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0041/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[470.0,133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.354652,29.780449]}},{"type":"Feature","properties":{"resourceCoords":[1625.0,133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.352199,29.780464]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p42","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0042","type":"ImageService3","width":1667,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"848.3,1761.2 852.1,1949.0 701.5,1949.0 535.2,1700.7 523.7,1669.1 438.8,1643.8 435.5,1949.0 50.9,1949.0 37.1,149.9 1218.9,131.4 1217.2,0.0 1667.0,0.0 1667.0,1327.2 1527.2,1335.2 1531.8,1889.2 1667.0,1888.1 1667.0,1949.0 1238.0,1949.0 1236.3,1758.2 848.3,1761.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0042/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35227590746238,29.78073646134997]}},{"type":"Feature","properties":{"resourceCoords":[1667.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34881028233308,29.78073429390853]}},{"type":"Feature","properties":{"resourceCoords":[1667.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34881318152034,29.77719264777514]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35227880664965,29.777194815216582]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p43","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0043/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0043","type":"ImageService3","width":1667,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,54.4 -0.0,-0.0 1585.0,0.0 1578.4,1819.1 1169.3,1819.5 1187.2,1949.0 -0.0,1949.0 -0.0,1393.5 139.3,1386.5 150.4,55.7 -0.0,54.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0043/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[752.0,723.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3475436,29.7795334]}},{"type":"Feature","properties":{"resourceCoords":[1591.0,723.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.345792,29.779545]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p44","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0044","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"100.8,0.0 1669.0,0.0 1669.0,91.5 1507.9,87.2 1511.8,1838.7 89.4,1836.0 100.8,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0044/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1506.0,727.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3429012,29.7795705]}},{"type":"Feature","properties":{"resourceCoords":[105.0,727.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.345792,29.779545]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p45","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0045","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1643.0,1894.4 142.6,1882.5 153.5,1460.0 -0.0,1079.2 -0.0,-0.0 1649.8,0.0 1643.0,1894.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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":[-95.3564650896108,29.78381390693555]}},{"type":"Feature","properties":{"resourceCoords":[1669.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35303178114148,29.783864880556404]}},{"type":"Feature","properties":{"resourceCoords":[1669.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35296367799769,29.7803605734958]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.356396986467,29.780309599874943]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p46","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0046","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"46.2,1890.5 30.0,0.0 1669.0,0.0 1669.0,1745.6 1625.5,1745.4 1626.5,1877.2 46.2,1890.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0046/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35313387745568,29.783884417353462]}},{"type":"Feature","properties":{"resourceCoords":[1669.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34967259075506,29.783899032591076]}},{"type":"Feature","properties":{"resourceCoords":[1669.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34965306410481,29.78036617028097]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35311435080543,29.780351555043357]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0047__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_005 p47 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"17"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6676.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0047__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0047","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"549.6,126.7 550.4,0.0 -0.0,-0.0 0.0,653.4 458.0,656.7 653.2,866.8 650.0,1949.0 862.0,1949.0 1050.0,1949.0 1598.8,1949.0 1621.0,125.0 549.6,126.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0047__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1621.0,125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3805253,29.7676633]}},{"type":"Feature","properties":{"resourceCoords":[1621.0,1763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3805014,29.7647224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p48","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0048/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0048","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1638.0,137.1 1669.0,1937.8 -0.0,1949.0 19.1,145.0 1638.0,137.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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":[-95.38056025836403,29.767203958975042]}},{"type":"Feature","properties":{"resourceCoords":[1669.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37710813826175,29.76721873771806]}},{"type":"Feature","properties":{"resourceCoords":[1669.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37708839644986,29.763694644482435]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38054051655214,29.763679865739416]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p49","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0049","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1836.5 54.6,1834.7 49.2,41.4 803.0,48.0 803.2,0.0 1251.8,0.0 1247.0,268.6 1608.2,270.5 1590.8,1719.0 1669.0,1718.7 1669.0,1949.0 -0.0,1949.0 -0.0,1836.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0049/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37727470781509,29.767043974452225]}},{"type":"Feature","properties":{"resourceCoords":[1669.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37380846834935,29.767101918435213]}},{"type":"Feature","properties":{"resourceCoords":[1669.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3737310654431,29.763563406663184]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37719730490883,29.763505462680197]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p50","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0050","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"147.0,0.0 1208.7,0.0 1209.4,46.0 1491.8,116.2 1494.5,721.6 1616.1,782.6 1554.8,906.5 1581.8,1005.0 1432.3,1226.3 1474.0,1288.3 1477.7,1675.8 1669.0,1949.0 228.2,1949.0 226.8,1835.3 147.8,1836.6 147.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0050/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[147.0,628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3739205,29.7661373]}},{"type":"Feature","properties":{"resourceCoords":[147.0,231.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3739258,29.7668465]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0051","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1818.8 368.9,1813.4 375.1,1773.6 268.1,1705.6 177.8,1550.8 168.6,1174.5 126.9,1114.9 269.9,897.8 242.1,802.6 300.2,681.3 180.4,623.9 169.0,36.0 477.8,104.8 700.9,256.9 745.8,190.7 875.5,171.8 1238.7,245.8 1554.2,235.8 1546.7,0.0 1669.0,0.0 1669.0,1949.0 -0.0,1949.0 -0.0,1818.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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":[-95.37151478147366,29.76713592881209]}},{"type":"Feature","properties":{"resourceCoords":[1669.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.36800340920466,29.76711018870578]}},{"type":"Feature","properties":{"resourceCoords":[1669.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.368037793429,29.76352560287021]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37154916569801,29.763551342976523]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p53","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0053","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1663.0,1895.0 -0.0,1815.1 -0.0,-0.0 1663.0,0.0 1663.0,1895.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0053/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38992913194137,29.772123569578874]}},{"type":"Feature","properties":{"resourceCoords":[1663.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38645264047267,29.772012333620307]}},{"type":"Feature","properties":{"resourceCoords":[1663.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38660293518126,29.768478209006506]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.39007942664996,29.768589444965073]}},{"type":"Feature","properties":{"resourceCoords":[1179.0,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3876071,29.7686901]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0054__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_005 p54 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5553.2"},{"label":"split_canvas_w","value":"3057.6"},{"label":"split_canvas_h","value":"2242.8"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0054__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0054","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1524.1 -0.0,1949.0 762.6,1949.0 763.0,1798.0 763.9,1586.5 -0.0,1524.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0054__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1388.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38956822633075,29.769051676880565]}},{"type":"Feature","properties":{"resourceCoords":[764.4,1388.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3879926165,29.76906953709397]}},{"type":"Feature","properties":{"resourceCoords":[764.4,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38797761406,29.76805816158554]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38955322389076,29.768040301372135]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p55","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0055","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"573.2,1763.3 574.8,1637.7 25.2,1634.3 0.0,0.0 1665.0,0.0 1665.0,316.0 1632.7,315.6 1643.1,1768.1 573.2,1763.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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":[-95.38397631645196,29.770825704571887]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38052773967911,29.770865083768083]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38047500766447,29.76733627938329]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38392358443733,29.767296900187095]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p56","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0056/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0056","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1655.3,1850.4 28.3,1862.6 0.0,0.0 1665.0,0.0 1655.3,1850.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0056/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.380586126604,29.770292849972034]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37715949518369,29.770299579516234]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37715048381543,29.76679321141195]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38057711523574,29.76678648186775]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p57","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0057","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1256.7,1645.9 811.7,1644.9 811.3,1692.5 63.6,1684.3 35.9,493.5 75.1,40.9 1665.0,46.5 1665.0,1079.6 1476.6,1054.8 1468.3,1439.2 1616.3,1460.4 1609.5,1915.1 1251.2,1912.3 1256.7,1645.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0057/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37737950124131,29.770050525048042]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37389371053791,29.77011567684737]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37380646756398,29.766548764289535]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37729225826737,29.766483612490205]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p58","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0058","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"81.5,1447.2 85.6,1062.0 273.2,1084.9 262.2,50.3 492.5,49.9 561.8,0.0 989.3,0.0 988.6,208.4 1248.8,208.6 1266.1,1570.5 228.5,1566.3 228.9,1466.8 81.5,1447.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0058/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[580.0,1513.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.37319,29.767364]}},{"type":"Feature","properties":{"resourceCoords":[1381.0,46.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3715359,29.77006]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p59","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0059","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"679.0,1607.6 -0.0,1603.2 -0.0,143.2 1470.6,143.0 1471.9,1772.2 666.4,1784.2 679.0,1607.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0059/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1303.0,143.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3758826,29.7729656]}},{"type":"Feature","properties":{"resourceCoords":[219.0,143.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3781474,29.7729484]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p5 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6684.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0005","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1671.0,1949.0 1671.0,792.2 1424.7,80.2 598.3,98.7 607.5,197.2 -0.0,202.8 0.0,1546.1 619.3,1304.2 821.1,1302.2 965.1,1462.8 966.0,1949.0 1671.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1068.0,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3573421,29.767017]}},{"type":"Feature","properties":{"resourceCoords":[163.0,652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3594714,29.7665563]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p60","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0060","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,150.3 1503.1,151.4 1528.5,574.1 1503.5,1727.0 1072.3,1727.4 1002.5,1777.8 -0.0,1780.4 -0.0,150.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0060/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[927.0,968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3735805,29.7715022]}},{"type":"Feature","properties":{"resourceCoords":[927.0,151.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3735968,29.772983]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p61","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0061","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"201.1,153.4 1669.0,154.5 1669.0,1379.0 1466.5,1782.0 461.9,1784.1 464.1,1949.0 200.3,1949.0 201.1,153.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0061/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[771.0,1379.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.371185,29.7707932]}},{"type":"Feature","properties":{"resourceCoords":[201.0,1379.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3723687,29.770783]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p62","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0062","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1780.0 -0.0,1376.1 204.7,1376.9 206.9,821.8 -0.0,821.1 -0.0,515.2 208.2,515.9 213.4,0.0 1662.0,0.0 1662.0,1949.0 673.4,1949.0 671.9,1780.9 -0.0,1780.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0062/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[490.0,1780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3687173,29.7700917]}},{"type":"Feature","properties":{"resourceCoords":[375.0,150.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.369003,29.7730197]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p63","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0063","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 0.0,-0.0 1545.7,1.6 1571.2,1026.3 1544.8,1057.0 1544.1,1947.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0063/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1571.0,1057.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3814562,29.7729244]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,238.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3814736,29.7744093]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p64","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0064","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1403.0,1949.0 -0.0,1949.0 -0.0,1057.3 26.6,1026.5 0.0,0.0 1413.8,0.0 1413.6,242.4 1625.8,239.9 1624.6,1059.2 1403.6,1059.2 1403.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0064/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38153159804006,29.774837423053054]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37809071733334,29.774865859499677]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37805256831966,29.771338714869334]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38149344902638,29.77131027842271]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p65","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0065/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0065","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"209.6,1833.1 210.2,1015.9 -0.0,1018.6 0.0,-0.0 1454.3,1.2 1487.1,1833.0 209.6,1833.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0065/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1293.0,1425.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.37589,29.7737059]}},{"type":"Feature","properties":{"resourceCoords":[1293.0,1833.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3758826,29.7729656]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p66","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0066/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0066","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 1662.0,0.0 1662.0,28.8 1515.1,27.4 1474.2,739.9 1485.2,1859.1 -0.0,1832.3 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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":[-95.37557855996475,29.776291913410887]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37213013720957,29.776372496362207]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37202202927305,29.772837672867944]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.37547045202824,29.772757089916624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p67","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0067","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"167.5,718.0 201.7,0.0 1662.0,0.0 1662.0,1438.1 1662.0,1439.8 1662.0,1856.8 189.0,1845.0 167.5,718.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0067/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[757.0,1435.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3712298,29.7737483]}},{"type":"Feature","properties":{"resourceCoords":[189.0,1845.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3723938,29.7729922]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p68","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0068/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0068","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,0.0 1654.5,1688.7 204.6,1695.6 191.1,0.0 1662.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0068/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[367.0,613.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3690266,29.775233]}},{"type":"Feature","properties":{"resourceCoords":[367.0,1845.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.369003,29.7730197]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0007","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"820.6,1853.5 486.3,1743.2 260.1,1530.1 259.7,1480.6 62.3,1112.8 53.8,-0.0 1671.0,-0.0 1671.0,1949.0 790.1,1949.0 820.6,1853.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35263930048441,29.768319296945194]}},{"type":"Feature","properties":{"resourceCoords":[1671.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35257798921396,29.765297430158647]}},{"type":"Feature","properties":{"resourceCoords":[1671.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35660990288439,29.765234916461473]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.35667121415484,29.76825678324802]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p70","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0070","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 232.6,0.0 230.4,127.5 653.6,134.9 661.2,78.4 1124.2,83.8 1116.5,143.0 1662.0,152.5 1662.0,1663.3 453.0,1593.0 426.7,1842.2 0.0,1838.8 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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":[-95.39326814314373,29.7679732377013]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.39333856389399,29.770908365793737]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38940106407802,29.77098055442372]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.38933064332775,29.768045426331284]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p72","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0072/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0072","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"843.2,1891.4 419.1,1893.8 412.6,1949.0 0.0,1949.0 -0.0,-0.0 1662.0,0.0 1662.0,1949.0 863.8,1949.0 843.2,1891.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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":[-95.39706076547857,29.768372383631743]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.39707289869844,29.771384277281946]}},{"type":"Feature","properties":{"resourceCoords":[1662.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.39303240311416,29.771396715057154]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3930202698943,29.76838482140695]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0073__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_005 p73 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5027.6"},{"label":"split_canvas_w","value":"6648.0"},{"label":"split_canvas_h","value":"2768.4"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0073__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0073","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1623.3,1676.5 1610.9,1256.9 0.0,1257.4 -0.0,1949.0 1662.0,1949.0 1662.0,1676.5 1623.3,1676.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0073__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[678.0,1671.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.4115456,29.7704331]}},{"type":"Feature","properties":{"resourceCoords":[216.0,1671.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.4124935,29.7704154]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0073__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_005 p73 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6648.0"},{"label":"split_canvas_h","value":"5029.6"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0073__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0073","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,0.0 0.0,0.0 -0.0,446.1 65.0,445.6 54.8,709.2 -0.0,709.7 -0.0,1257.4 1644.8,1256.9 1662.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0073__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[601.0,447.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.4083608,29.7704726]}},{"type":"Feature","properties":{"resourceCoords":[601.0,1238.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.4083383,29.7690131]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0074__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_005 p74 [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":"6648.0"},{"label":"split_canvas_h","value":"4229.6"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0074__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0074","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,0.0 86.3,0.0 70.3,850.4 1006.9,852.0 1013.1,1057.4 1662.0,1053.8 1662.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0074__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1090.0,354.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.403993,29.770292]}},{"type":"Feature","properties":{"resourceCoords":[84.0,210.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.4061384,29.7704998]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_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_005 p8","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0008","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"429.0,92.0 1197.9,78.1 1205.0,0.0 1258.1,0.0 1251.0,77.1 1563.0,71.2 1564.8,1240.2 1671.0,1240.0 1671.0,1949.0 180.3,1949.0 145.9,299.1 429.0,296.0 429.0,92.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[429.0,296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3520743,29.7682258]}},{"type":"Feature","properties":{"resourceCoords":[429.0,92.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.352073,29.768578]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0080__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_005 p80 [1]","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":"6648.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0080__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0080","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1662.0,1949.0 1662.0,1412.8 1662.0,0.0 753.3,0.0 748.4,885.0 0.0,885.0 0.0,1424.0 -0.0,1949.0 1662.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0080__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[539.0,1418.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.408102,29.8058609]}},{"type":"Feature","properties":{"resourceCoords":[539.0,356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.4081292,29.8079004]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0080__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_005 p80 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3013.2"},{"label":"split_canvas_h","value":"3540.0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0080__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0080","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 -0.0,885.0 748.4,885.0 753.3,0.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0080__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.4028230103986,29.810195741297704]}},{"type":"Feature","properties":{"resourceCoords":[753.3,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.40278464270175,29.808829801985983]}},{"type":"Feature","properties":{"resourceCoords":[753.3,885.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.40463543889611,29.808790687725338]}},{"type":"Feature","properties":{"resourceCoords":[0.0,885.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.40467380659297,29.81015662703706]}},{"type":"Feature","properties":{"resourceCoords":[91.0,445.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.403749,29.810011]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0009__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_005 p9 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3130.8"},{"label":"split_canvas_w","value":"3743.2"},{"label":"split_canvas_h","value":"4665.2"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0009","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 935.8,1949.0 934.5,827.9 -0.0,837.4 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,782.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34981735385824,29.768707006655372]}},{"type":"Feature","properties":{"resourceCoords":[935.8,782.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34785932327469,29.76870425434319]}},{"type":"Feature","properties":{"resourceCoords":[935.8,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3478632794142,29.766586695052688]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34982130999775,29.76658944736487]}},{"type":"Feature","properties":{"resourceCoords":[877.8,825.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3479808,29.7686264]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0009__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_005 p9 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6684.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T21:21:55Z","modified":"2026-09-21T21:21:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0009","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1671.0,1949.0 1671.0,96.2 1073.5,144.3 131.0,124.2 131.0,785.4 934.5,782.7 935.8,1949.0 1671.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034hm:g4034hm_g08580190702:08580_02_1907-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34813309606922,29.768847987607504]}},{"type":"Feature","properties":{"resourceCoords":[1671.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34463750941845,29.76884307402454]}},{"type":"Feature","properties":{"resourceCoords":[1671.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34464411654433,29.765306550410838]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3481397031951,29.7653114639938]}},{"type":"Feature","properties":{"resourceCoords":[73.0,122.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3479808,29.7686264]}}]}}]}