{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08415_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Austin, Texas | 1900 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"70"},{"label":"placed","value":"54"},{"label":"unplaced","value":"16"},{"label":"fit sources","value":"georef 31, georef-snap 22, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 24 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 30.27507,-97.73690 +/-289m); p1__1 (tier 1, 30.26469,-97.74473 +/-100m); p41__1 (tier 1, 30.26818,-97.75241 +/-113m); p41__3 (tier 1, 30.27915,-97.73270 +/-100m); p51__3 (tier 4, 30.27007,-97.74050 +/-2910m); p52__1 (tier 1, 30.27840,-97.71873 +/-100m); p52__2 (tier 3, 30.27985,-97.71558 +/-594m); p52__3 (tier 1, 30.27766,-97.71550 +/-100m); p53__1 (tier 1, 30.28751,-97.73973 +/-100m); p53__2 (tier 1, 30.28765,-97.74034 +/-100m); p53__3 (tier 1, 30.28758,-97.74051 +/-100m); p53__4 (tier 1, 30.28785,-97.73898 +/-100m); p53__5 (tier 2, 30.29093,-97.73964 +/-100m); p7__2 (tier 1, 30.27463,-97.74303 +/-100m); p8__1 (tier 1, 30.27102,-97.73899 +/-100m); p8__3 (tier 2, 30.27095,-97.74641 +/-798m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0010","type":"ImageService3","width":1705,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"143.7,1999.0 113.3,0.0 1705.0,0.0 1705.0,922.2 1606.0,1999.0 143.7,1999.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73843089328837,30.26384432301498]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73501415457628,30.262926092977544]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.7362518319656,30.259441655884682]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.7396685706777,30.260359885922117]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p11","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0011","type":"ImageService3","width":1693,"height":2001},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1661.0,1882.2 30.4,1877.7 29.6,230.1 1660.1,237.2 1661.0,1882.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[579.0,778.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7396676,30.2661652]}},{"type":"Feature","properties":{"resourceCoords":[579.0,1878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7403694,30.2642924]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0012","type":"ImageService3","width":1705,"height":2004},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1692.3,251.7 1705.0,1887.8 1688.4,1826.6 67.4,1858.1 60.1,268.8 1692.3,251.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73713535795463,30.266981070631008]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.7338017673398,30.266023124239478]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,2004.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73509624058434,30.262615065590506]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2004.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73842983119917,30.263573011982036]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0013","type":"ImageService3","width":1705,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"39.6,1748.5 56.2,0.0 1673.3,0.0 1656.8,1764.8 39.6,1748.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73938299450803,30.270450185246595]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73598849183716,30.269519943935357]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.7372424409524,30.266058409269846]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74063694362327,30.266988650581084]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p14","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0014","type":"ImageService3","width":1700,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1700.0,1771.1 72.9,1774.1 73.0,122.1 1168.2,122.2 1168.2,277.1 1168.3,283.4 1700.0,275.5 1700.0,1771.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[597.0,1775.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7361612,30.266201]}},{"type":"Feature","properties":{"resourceCoords":[73.0,1222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7368405,30.2674281]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p15","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0015","type":"ImageService3","width":1700,"height":1993},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"194.0,134.4 195.5,65.0 1146.4,63.9 1146.5,0.0 1700.0,0.0 1700.0,1818.4 1648.0,1818.4 1648.0,1680.9 61.2,1689.2 61.0,134.4 194.0,134.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[61.0,1286.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7390076,30.2711251]}},{"type":"Feature","properties":{"resourceCoords":[1648.0,1286.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.735793,30.2702281]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0016","type":"ImageService3","width":1705,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.6,1822.2 120.8,15.1 1705.0,0.0 1705.0,1999.0 1131.2,1999.0 1134.2,1837.8 86.6,1822.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73511597291196,30.27242603306179]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73176617938535,30.27153874583619]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73296225190381,30.26812287392117]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73631204543042,30.26901016114677]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0017","type":"ImageService3","width":1705,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 1694.3,0.0 1676.8,347.9 1449.8,334.3 1643.1,1999.0 -0.0,1999.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.7319272968817,30.270636201147116]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.72863066117957,30.26964514227611]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.72996659398713,30.26628341392162]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73326322968926,30.267274472792625]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0018","type":"ImageService3","width":1700,"height":2000},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1252.3,1969.5 260.6,1911.0 50.9,293.2 278.7,303.8 289.8,-0.0 1700.0,-0.0 1700.0,2000.0 1588.0,2000.0 1592.6,1863.8 1255.2,1855.2 1252.3,1969.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.72924190638513,30.269751395478416]}},{"type":"Feature","properties":{"resourceCoords":[1700.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.72597985958078,30.268726761550738]}},{"type":"Feature","properties":{"resourceCoords":[1700.0,2000.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.7273657944548,30.265388823703532]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2000.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73062784125915,30.26641345763121]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p19","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"22"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0019","type":"ImageService3","width":1712,"height":2000},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,182.7 1434.3,130.6 1436.9,1734.2 -0.0,1727.4 -0.0,182.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[600.0,1724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7329503,30.2641917]}},{"type":"Feature","properties":{"resourceCoords":[1131.0,638.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7310898,30.2656719]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p1 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6800.0"},{"label":"split_canvas_h","value":"7996.0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0001","type":"ImageService3","width":1700,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1651.1 780.3,1657.6 780.2,1991.1 1397.2,1984.8 1394.0,174.0 192.0,174.0 184.7,1251.0 -0.0,1250.7 0.0,1651.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[192.0,174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7462743,30.265945]}},{"type":"Feature","properties":{"resourceCoords":[1394.0,174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7438534,30.2652726]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0002","type":"ImageService3","width":1700,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"312.6,161.8 1456.5,170.5 1446.3,1999.0 309.9,1999.0 312.6,161.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[309.0,718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7442121,30.2643199]}},{"type":"Feature","properties":{"resourceCoords":[1524.0,171.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7414507,30.2645952]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0020","type":"ImageService3","width":1712,"height":2006},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1712.0,1727.2 -0.0,1724.8 -0.0,79.1 976.1,111.7 976.0,-0.0 1306.0,-0.0 1304.8,133.2 1414.2,130.4 1410.9,-0.0 1712.0,-0.0 1712.0,1727.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0020/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73001685165413,30.266542685602982]}},{"type":"Feature","properties":{"resourceCoords":[1712.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.72668786841345,30.265412869924972]}},{"type":"Feature","properties":{"resourceCoords":[1712.0,2006.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.7282098632315,30.262020053447532]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2006.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73153884647218,30.26314986912554]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0021","type":"ImageService3","width":1705,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"604.0,1999.0 606.4,1843.2 86.5,1843.9 12.0,1964.1 -0.0,1092.7 -0.0,1092.7 0.0,0.0 1666.0,26.9 1637.2,1999.0 604.0,1999.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73413659972897,30.264625062557272]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73084452552187,30.2635138226726]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73234236799541,30.260156538392465]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73563444220251,30.261267778277137]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p22","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0022","type":"ImageService3","width":1705,"height":2004},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1705.0,4.0 1705.0,2004.0 1111.1,2004.0 1113.2,1818.2 83.7,1824.8 93.2,6.5 1705.0,4.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[612.0,1094.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7307704,30.2613432]}},{"type":"Feature","properties":{"resourceCoords":[87.0,1094.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7317815,30.2616891]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p23","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"2"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0023","type":"ImageService3","width":1705,"height":1987},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"93.7,-0.0 614.5,-0.0 612.7,156.9 1548.8,158.2 1549.8,1987.0 -0.0,1987.0 -0.0,130.3 93.7,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[598.0,1413.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7354383,30.258791]}},{"type":"Feature","properties":{"resourceCoords":[1633.0,1413.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7334433,30.2581203]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p24","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0024","type":"ImageService3","width":1711,"height":2004},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2004.0 -0.0,165.7 98.7,176.8 100.8,-0.0 1132.1,-0.0 1128.8,186.2 1711.0,189.9 1711.0,2004.0 -0.0,2004.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1173.0,829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7308997,30.2584018]}},{"type":"Feature","properties":{"resourceCoords":[81.0,1758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7337003,30.2575617]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0025","type":"ImageService3","width":1688,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1650.9,1999.0 -0.0,1999.0 0.0,0.0 1634.1,0.0 1650.9,1999.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0025/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74602176529338,30.282828359585178]}},{"type":"Feature","properties":{"resourceCoords":[1688.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74260712938354,30.281842105970174]}},{"type":"Feature","properties":{"resourceCoords":[1688.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74395013979316,30.278325413948806]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74736477570299,30.27931166756381]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0026","type":"ImageService3","width":1705,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.6,1999.0 47.4,0.0 1617.1,0.0 1621.0,1538.7 1423.6,1537.1 1420.3,1999.0 49.6,1999.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74280454688689,30.28192438719502]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73930071494955,30.280937067131035]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74063175977567,30.277364459105183]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.744135591713,30.278351779169167]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p27","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0027","type":"ImageService3","width":1705,"height":1993},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"189.0,1498.0 174.9,16.4 1417.2,0.0 1427.0,1017.0 1705.0,1016.9 1705.0,1969.7 -0.0,1974.9 -0.0,1496.8 189.0,1498.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[189.0,1024.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.740163,30.2791135]}},{"type":"Feature","properties":{"resourceCoords":[189.0,1498.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7404979,30.2782358]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p28","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0028","type":"ImageService3","width":1694,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"566.8,1999.0 335.6,1999.0 322.1,1032.7 37.8,1036.2 13.4,0.0 1694.0,0.0 1694.0,1985.1 566.8,1999.0 566.8,1999.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[545.0,1030.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7364409,30.2780669]}},{"type":"Feature","properties":{"resourceCoords":[33.0,560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7371707,30.2792319]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0029","type":"ImageService3","width":1700,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1879.6 -0.0,31.4 1658.5,54.0 1658.6,67.7 1700.0,67.9 1700.0,1914.2 1656.9,1914.0 1657.0,1855.3 116.3,1842.2 -0.0,1879.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0029/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74732594954759,30.279361043935587]}},{"type":"Feature","properties":{"resourceCoords":[1700.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.7439072440171,30.278418401742098]}},{"type":"Feature","properties":{"resourceCoords":[1700.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74518176185664,30.274922249012338]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74860046738713,30.275864891205828]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0003","type":"ImageService3","width":1705,"height":1993},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1400.9,222.4 1401.2,1867.5 173.2,1869.2 172.9,222.4 1400.9,222.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1401.0,771.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7431556,30.2671385]}},{"type":"Feature","properties":{"resourceCoords":[173.0,771.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7455753,30.2678138]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0030","type":"ImageService3","width":1694,"height":1994},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"586.6,1841.1 586.7,1902.8 90.8,1902.5 80.7,25.2 1465.7,26.4 1465.4,62.1 1694.0,62.3 1694.0,1989.2 1456.3,1994.0 1456.9,1876.5 586.6,1841.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.7440937489813,30.27838758741966]}},{"type":"Feature","properties":{"resourceCoords":[1694.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.7407491396359,30.277447950723097]}},{"type":"Feature","properties":{"resourceCoords":[1694.0,1994.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74202089309105,30.274024012359792]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1994.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74536550243646,30.274963649056357]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p31","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0031","type":"ImageService3","width":1700,"height":1993},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1534.4,65.1 1538.0,654.0 1700.0,653.1 1700.0,1993.0 225.7,1993.0 212.6,67.4 1534.4,65.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[189.0,652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7412171,30.2763508]}},{"type":"Feature","properties":{"resourceCoords":[1538.0,654.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7385418,30.2755885]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p32","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0032","type":"ImageService3","width":1700,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"719.2,1904.8 582.2,1905.6 582.4,1999.0 185.4,1998.4 189.5,652.3 25.9,653.3 -0.0,60.5 1700.0,56.5 1700.0,1827.0 720.2,1855.2 719.2,1904.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0032/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73817289097714,30.27671833588585]}},{"type":"Feature","properties":{"resourceCoords":[1700.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73483574849347,30.27576865675702]}},{"type":"Feature","properties":{"resourceCoords":[1700.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73611974709308,30.27235582531824]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73945688957676,30.27330550444707]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0033","type":"ImageService3","width":1705,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"632.0,1706.7 574.4,1732.5 575.9,1660.0 -0.0,1638.3 -0.0,-0.0 607.8,-0.0 632.0,1706.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0033/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73115065604298,30.275747455260984]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.7321678909769,30.272855673331485]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73606620460706,30.273892931469913]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73504896967314,30.27678471339941]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p34","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0034","type":"ImageService3","width":1705,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1566.2,1120.3 1582.5,1630.0 100.0,1675.3 0.0,0.0 1561.1,-0.0 1587.8,187.0 1571.8,187.6 1595.2,400.3 1625.3,1118.4 1566.2,1120.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0034/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1640.0,669.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7339224,30.2720055]}},{"type":"Feature","properties":{"resourceCoords":[59.0,1218.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7338819,30.2753446]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0035","type":"ImageService3","width":1700,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,128.1 530.5,109.3 602.1,71.3 1621.7,67.2 1635.2,1860.0 -0.0,1869.3 -0.0,128.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0035/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.749400671349,30.27653669541001]}},{"type":"Feature","properties":{"resourceCoords":[1700.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74606757434587,30.27557554222537]}},{"type":"Feature","properties":{"resourceCoords":[1700.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74736708359542,30.272166841030774]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.75070018059854,30.273127994215415]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p36","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0036","type":"ImageService3","width":1700,"height":2000},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1140.1,1719.0 586.7,1723.8 586.4,1855.8 48.5,1861.5 33.8,83.7 583.2,80.2 583.9,139.6 1056.9,136.1 1121.4,135.4 1120.8,74.0 1665.8,68.8 1673.2,1844.5 1140.9,1850.1 1140.6,1797.8 1140.1,1719.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0036/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74627663884222,30.275668434652435]}},{"type":"Feature","properties":{"resourceCoords":[1700.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74291612884302,30.27469711166462]}},{"type":"Feature","properties":{"resourceCoords":[1700.0,2000.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74423003314924,30.271258625575868]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2000.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74759054314843,30.272229948563684]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p37","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0037","type":"ImageService3","width":1705,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1649.6,111.1 1651.8,1756.3 548.8,1764.6 -0.0,1712.4 -0.0,113.1 1649.6,111.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0037/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.75055243803828,30.27354376910723]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74722476212786,30.27259826156768]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74849933042775,30.269204981329704]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.75182700633817,30.270150488869255]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0038","type":"ImageService3","width":1694,"height":1994},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1668.6,131.0 1663.1,1756.5 34.7,1757.7 40.0,132.2 579.2,131.8 580.8,0.0 1135.5,0.0 1135.0,131.4 1668.6,131.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0038/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74739860057117,30.27269008572224]}},{"type":"Feature","properties":{"resourceCoords":[1694.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74404722798144,30.27175256808943]}},{"type":"Feature","properties":{"resourceCoords":[1694.0,1994.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74531603904292,30.268321505047535]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1994.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74866741163265,30.269259022680345]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p39","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0039","type":"ImageService3","width":1700,"height":2006},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"534.7,2006.0 -0.0,2006.0 -0.0,1725.2 76.9,1706.7 -0.0,1698.6 -0.0,183.6 546.0,239.0 1608.4,237.0 1600.1,1685.3 539.4,1699.0 537.3,1752.0 459.2,1746.9 460.3,1833.7 536.9,1843.8 534.7,2006.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[546.0,782.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7509537,30.2693146]}},{"type":"Feature","properties":{"resourceCoords":[546.0,239.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7506065,30.270244]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0004","type":"ImageService3","width":1694,"height":2000},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1535.9,1869.7 325.8,1872.0 317.7,241.2 1528.0,235.2 1535.9,1869.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[323.0,1330.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7435056,30.266203]}},{"type":"Feature","properties":{"resourceCoords":[991.0,238.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7414682,30.2676984]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p40","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0040","type":"ImageService3","width":1700,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1651.0,1862.8 32.7,1871.2 31.9,1683.0 -0.0,1683.7 -0.0,243.8 1642.3,235.1 1651.0,1862.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0040/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[571.0,783.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7477166,30.2684113]}},{"type":"Feature","properties":{"resourceCoords":[1119.0,1331.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7469849,30.2671597]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0041__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p41 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"1976.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4824.0"},{"label":"split_canvas_h","value":"4018.0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0041__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0041","type":"ImageService3","width":1700,"height":1987},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"571.2,0.0 568.6,50.7 494.2,44.9 494.5,128.0 567.1,138.5 562.7,295.6 495.1,292.9 497.8,1004.5 1605.5,1004.5 1617.2,0.0 571.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0041__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1613.1,712.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7498408,30.2658914]}},{"type":"Feature","properties":{"resourceCoords":[1613.1,181.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7495,30.2668455]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0042__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p42 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5738.0"},{"label":"split_canvas_w","value":"6800.0"},{"label":"split_canvas_h","value":"2234.0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0042__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0042","type":"ImageService3","width":1700,"height":1993},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"243.0,1993.0 406.0,1993.0 1619.0,1993.0 1632.5,1451.7 0.0,1434.5 0.0,1993.0 243.0,1993.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0042__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[711.0,1697.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.729616,30.2722162]}},{"type":"Feature","properties":{"resourceCoords":[1626.0,1697.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7277721,30.2725129]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0042__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p42 [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":"6800.0"},{"label":"split_canvas_h","value":"5809.6"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0042__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0042","type":"ImageService3","width":1700,"height":1993},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1464.8,1241.6 1648.4,1241.7 1654.0,171.2 61.8,171.1 65.2,1013.0 -0.0,1013.8 0.0,1434.5 1465.1,1449.9 1464.8,1241.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0042__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[69.0,714.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7498408,30.2658914]}},{"type":"Feature","properties":{"resourceCoords":[1654.0,714.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7466298,30.2649951]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p43","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0043/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0043","type":"ImageService3","width":1699,"height":1990},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1699.0,1990.0 0.0,1990.0 0.0,154.0 1671.9,79.0 1699.0,-0.0 1699.0,1990.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0043/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.75126850294679,30.270761885217023]}},{"type":"Feature","properties":{"resourceCoords":[1699.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.75249116095523,30.267953013969013]}},{"type":"Feature","properties":{"resourceCoords":[1699.0,1990.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.75627380209194,30.269198563731635]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1990.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.7550511440835,30.272007434979646]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p44","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0044","type":"ImageService3","width":1705,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1047.2,1999.0 -0.0,1999.0 0.0,0.0 1649.2,-0.0 1203.2,1999.0 1047.2,1999.0 1047.2,1999.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0044/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73774468921602,30.283563553478313]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73804796391039,30.28051097221112]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74216337435745,30.28082019185407]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74186009966307,30.283872773121264]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p45","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0045","type":"ImageService3","width":1699,"height":1996},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1699.0,144.6 1699.0,1980.0 1391.0,1910.1 1387.9,1923.5 2.0,1598.2 199.6,1596.3 161.8,1534.0 140.3,160.0 1699.0,144.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0045/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1139.0,818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.743018,30.2838778]}},{"type":"Feature","properties":{"resourceCoords":[156.0,818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7450405,30.2840393]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p46","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0046","type":"ImageService3","width":1705,"height":1993},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"124.9,1787.3 139.1,1286.0 -0.0,1282.4 0.0,-0.0 57.8,0.0 49.3,360.9 1705.0,397.9 1705.0,1811.5 124.9,1787.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0046/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74496065716369,30.28847459605557]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74139804118641,30.28826904702308]}},{"type":"Feature","properties":{"resourceCoords":[1705.0,1993.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74167433763908,30.284647659759774]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1993.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74523695361636,30.284853208792264]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0047/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p47","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0047/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0047","type":"ImageService3","width":1694,"height":1994},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1522.0,136.8 1519.1,1919.6 1672.2,1920.7 1674.0,1994.0 -0.0,1994.0 0.0,0.0 1582.3,0.0 1584.2,137.2 1522.0,136.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0047/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1218.0,1148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.742237,30.2891262]}},{"type":"Feature","properties":{"resourceCoords":[103.0,1148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.744539,30.2893039]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p48","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0048/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0048","type":"ImageService3","width":1699,"height":1996},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,155.6 61.5,155.8 59.1,0.0 1699.0,0.0 1699.0,1996.0 153.8,1996.0 151.6,1908.8 -0.0,1908.1 -0.0,155.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0048/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74139425938682,30.291161798859665]}},{"type":"Feature","properties":{"resourceCoords":[1699.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73785311439792,30.290879360580128]}},{"type":"Feature","properties":{"resourceCoords":[1699.0,1996.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.73823468883114,30.287261745839537]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1996.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74177583382004,30.287544184119074]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p49","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0049","type":"ImageService3","width":1700,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1500.2,0.0 1501.0,53.1 1642.7,54.5 1643.3,1936.4 1680.7,1999.0 1251.8,1943.0 1210.0,1999.0 -0.0,1999.0 -0.0,-0.0 1500.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0049/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74820566580287,30.28645944463772]}},{"type":"Feature","properties":{"resourceCoords":[1700.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74472171187705,30.28620990784699]}},{"type":"Feature","properties":{"resourceCoords":[1700.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74505912843595,30.282647297361454]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1999.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74854308236178,30.282896834152183]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p5","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"18"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0005","type":"ImageService3","width":1694,"height":1993},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1382.0,1739.0 156.9,1738.9 156.9,101.0 1380.8,114.2 1382.0,1739.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[714.0,1197.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.74378,30.2693646]}},{"type":"Feature","properties":{"resourceCoords":[714.0,101.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7430806,30.2712341]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p50","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0050","type":"ImageService3","width":1705,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1705.0,1999.0 -0.0,1999.0 -0.0,914.2 85.0,914.4 102.6,567.2 99.7,347.9 -0.0,353.5 -0.0,-0.0 1705.0,0.0 1705.0,1999.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0050/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[731.0,620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7264887,30.2727165]}},{"type":"Feature","properties":{"resourceCoords":[731.0,1389.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7261986,30.2713826]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0051__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p51 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4506.8"},{"label":"split_canvas_h","value":"7972.0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0051__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0051","type":"ImageService3","width":1700,"height":1993},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1126.7,1934.4 1126.0,1693.9 1125.6,1693.9 1124.4,1398.3 1118.5,0.0 536.3,0.0 0.0,0.0 -0.0,1993.0 199.0,1993.0 377.0,1993.0 531.0,1993.0 1126.7,1993.0 1126.7,1934.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0051__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[856.8,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.750275,30.2479654]}},{"type":"Feature","properties":{"resourceCoords":[856.8,149.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7499345,30.248909]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0051__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p51 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"4474.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2326.0"},{"label":"split_canvas_h","value":"5593.2"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0051__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0051","type":"ImageService3","width":1700,"height":1993},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1700.0,0.0 1118.5,0.0 1124.4,1398.3 1125.1,1398.3 1374.3,1393.0 1700.0,1387.0 1700.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0051__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1378.3,709.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.749095,30.2511332]}},{"type":"Feature","properties":{"resourceCoords":[1378.3,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7486701,30.2522913]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0051__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p51 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4504.0"},{"label":"split_canvas_y","value":"5548.0"},{"label":"split_canvas_w","value":"2296.0"},{"label":"split_canvas_h","value":"2424.0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0051__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0051","type":"ImageService3","width":1700,"height":1993},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1700.0,1387.0 1374.3,1393.0 1376.3,1686.9 1126.0,1693.9 1126.7,1934.4 1126.7,1993.0 1700.0,1993.0 1700.0,1387.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0051__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1126.0,1387.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74936174550878,30.245664132851807]}},{"type":"Feature","properties":{"resourceCoords":[1700.0,1387.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74822465884351,30.245329199573888]}},{"type":"Feature","properties":{"resourceCoords":[1700.0,1993.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74863357529155,30.244294708266853]}},{"type":"Feature","properties":{"resourceCoords":[1126.0,1993.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.74977066195682,30.244629641544773]}},{"type":"Feature","properties":{"resourceCoords":[1439.5,1942.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7491153,30.2445338]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p6","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0006","type":"ImageService3","width":1700,"height":1994},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"330.2,1749.4 317.5,0.0 1534.3,0.0 1544.7,1742.2 330.2,1749.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[327.0,1209.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7424606,30.2689964]}},{"type":"Feature","properties":{"resourceCoords":[1535.0,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.739359,30.2701861]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p7 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6800.0"},{"label":"split_canvas_h","value":"7996.0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0007","type":"ImageService3","width":1700,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1005.7,725.8 1010.1,592.6 559.7,593.2 562.1,163.7 459.0,163.0 460.8,42.9 132.9,1.6 107.2,1823.0 1350.1,1851.4 1353.7,729.7 1005.7,725.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[127.0,716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7434727,30.2733971]}},{"type":"Feature","properties":{"resourceCoords":[1349.0,1284.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.741431,30.2718012]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p8 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6776.0"},{"label":"split_canvas_h","value":"7996.0"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0008","type":"ImageService3","width":1694,"height":1999},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"371.8,1726.6 1591.8,1708.0 1559.6,184.8 1074.8,192.4 1075.0,248.1 1075.6,418.3 1076.2,612.8 902.5,612.9 0.0,613.7 -0.0,760.0 342.6,752.4 371.8,1726.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1021.0,737.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7397454,30.272361]}},{"type":"Feature","properties":{"resourceCoords":[356.0,1298.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.741431,30.2718012]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Austin, Texas | 1900 | sanborn08415_004 p9","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-22T06:03:58Z","modified":"2026-09-22T06:03:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0009","type":"ImageService3","width":1700,"height":1994},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1700.0,1994.0 -0.0,1994.0 -0.0,1110.5 -0.0,51.9 1638.3,55.5 1700.0,1994.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034am:g4034am_g084151900:08415_1900-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[595.0,52.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7403694,30.2642924]}},{"type":"Feature","properties":{"resourceCoords":[66.0,52.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7414507,30.2645952]}}]}}]}