{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn05850_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cohoes, New-York | 1885 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"24"},{"label":"placed","value":"12"},{"label":"unplaced","value":"12"},{"label":"fit sources","value":"georef 10, snap:0 1, georef-snap 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 18 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 42.78709,-73.72235 +/-270m); p11__2 (tier 1, 42.76806,-73.69875 +/-131m); p11__3 (tier 1, 42.76683,-73.70085 +/-100m); p12__2 (tier 3, 42.76189,-73.70049 +/-566m); p13__2 (tier 1, 42.76923,-73.69257 +/-116m); p13__3 (tier 1, 42.77546,-73.70243 +/-118m); p2__1 (tier 2, 42.77339,-73.70126 +/-100m); p3__2 (tier 1, 42.77795,-73.70188 +/-100m); p4__2 (tier 1, 42.77615,-73.69975 +/-100m); p4__3 (tier 1, 42.77639,-73.69882 +/-100m); p5__1 (tier 1, 42.77493,-73.69680 +/-246m); p5__2 (tier 1, 42.77419,-73.69202 +/-120m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1885 | sanborn05850_001 p10","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-23T02:52:11Z","modified":"2026-09-23T02:52:11Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6725.3 518.4,6725.1 1268.0,2407.1 1040.2,678.7 5204.1,643.0 5194.1,-0.0 5569.8,-0.0 5573.8,655.8 5938.7,668.4 5900.8,4728.3 6452.0,4724.9 6452.0,7652.0 -0.0,7652.0 -0.0,6725.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3440.0,1980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.700839,42.76887]}},{"type":"Feature","properties":{"resourceCoords":[5900.0,6036.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.703024,42.767442]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1885 | sanborn05850_001 p11 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T02:52:11Z","modified":"2026-09-23T02:52:11Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0011__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,4733.2 2418.8,4718.4 2252.3,6827.3 2648.1,6385.4 2714.1,7652.0 2845.8,7652.0 3168.1,6851.3 3474.1,7125.4 4851.2,3366.4 6452.0,3365.6 6452.0,0.0 3991.5,0.0 3976.9,357.3 -0.0,295.9 0.0,4733.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2672.0,2956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.700266,42.766572]}},{"type":"Feature","properties":{"resourceCoords":[1060.0,292.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.701576,42.767642]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1885 | sanborn05850_001 p12 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T02:52:11Z","modified":"2026-09-23T02:52:11Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0012__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3691.6 4684.4,3723.2 4057.2,3044.8 4063.6,1489.6 2862.4,1492.8 2862.4,0.0 695.6,0.0 1105.2,1129.7 -0.0,-0.0 -0.0,7652.0 1212.0,7652.0 2340.0,7652.0 6452.0,7652.0 6452.0,3691.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1712.0,6136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.700953,42.762166]}},{"type":"Feature","properties":{"resourceCoords":[3456.0,5304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.699738,42.762079]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0012__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1885 | sanborn05850_001 p12 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"4057.2"},{"label":"split_canvas_y","value":"1484.4"},{"label":"split_canvas_w","value":"2394.8"},{"label":"split_canvas_h","value":"2238.8"}],"created":"2026-09-23T02:52:11Z","modified":"2026-09-23T02:52:11Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0012__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6189.1,3032.5 6225.9,1484.9 4777.1,1488.0 4605.3,2708.8 6189.1,3032.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0012__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[4057.2,1484.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70141538817057,42.762874858474696]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,1484.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.69960681618561,42.762951898429996]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,3723.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.69950940250118,42.761701771067834]}},{"type":"Feature","properties":{"resourceCoords":[4057.2,3723.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70131797448614,42.76162473111253]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1885 | sanborn05850_001 p13 [1]","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":"6452.0"},{"label":"split_canvas_h","value":"4342.4"}],"created":"2026-09-23T02:52:11Z","modified":"2026-09-23T02:52:11Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0013__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 -0.0,-0.0 0.0,4332.8 2955.6,4337.2 6452.0,4342.4 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[620.0,2731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.689929,42.773309]}},{"type":"Feature","properties":{"resourceCoords":[6316.0,2731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.686524,42.772683]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1885 | sanborn05850_001 p2 [2]","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2219.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4232.8"},{"label":"split_canvas_h","value":"5247.6"}],"created":"2026-09-23T02:52:11Z","modified":"2026-09-23T02:52:11Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 2219.2,0.0 2488.8,2937.2 3888.0,5240.0 6452.0,5247.6 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[2219.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.71202254274384,42.78341674787441]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.71043915499433,42.78494459752735]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,5247.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70786511890006,42.78350205369659]}},{"type":"Feature","properties":{"resourceCoords":[2219.2,5247.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70944850664957,42.78197420404365]}},{"type":"Feature","properties":{"resourceCoords":[4177.7,2519.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7100539,42.783431]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1885 | sanborn05850_001 p3 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T02:52:11Z","modified":"2026-09-23T02:52:11Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0003__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7504.8 6452.0,0.0 1047.6,0.0 1466.0,2098.0 0.0,2096.0 -0.0,7652.0 554.4,7652.0 731.5,6241.9 3200.7,6319.8 3189.7,6553.0 3314.9,6162.4 4892.0,6229.8 5061.0,7280.0 6452.0,7504.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3144.0,7280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7014847,42.7754914]}},{"type":"Feature","properties":{"resourceCoords":[5060.0,7280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.700252,42.775658]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1885 | sanborn05850_001 p4 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T02:52:11Z","modified":"2026-09-23T02:52:11Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0004__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2732.8,6861.1 6452.0,6933.9 6452.0,0.0 2329.7,0.0 2809.8,1498.3 3566.8,1221.6 3712.8,1397.6 2894.0,1761.1 3608.0,3989.3 2128.2,4212.7 1617.0,3205.3 -0.0,3594.0 -0.0,4095.8 846.3,7332.2 2732.8,6861.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2612.0,5924.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7000923,42.7748633]}},{"type":"Feature","properties":{"resourceCoords":[4152.0,3920.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6989932,42.775673]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1885 | sanborn05850_001 p6","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"}],"created":"2026-09-23T02:52:11Z","modified":"2026-09-23T02:52:11Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"211.8,7347.0 404.6,6770.6 -0.0,6784.6 -0.0,-0.0 2520.1,0.0 2567.6,1505.0 3149.8,1486.6 3289.0,0.0 5884.5,0.0 5771.6,7315.6 211.8,7347.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4404.0,7324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7017893,42.7725401]}},{"type":"Feature","properties":{"resourceCoords":[5812.0,2636.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7013605,42.774754]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1885 | sanborn05850_001 p7","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-23T02:52:11Z","modified":"2026-09-23T02:52:11Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2120.1,7261.9 61.8,665.6 1981.1,144.3 5786.1,140.5 5783.2,0.0 6452.0,0.0 6452.0,5392.8 6133.2,5507.7 6149.3,7652.0 4354.1,7652.0 4060.7,6532.1 2120.1,7261.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3328.0,140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6992889,42.7743499]}},{"type":"Feature","properties":{"resourceCoords":[6124.0,140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6976246,42.7741671]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1885 | sanborn05850_001 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T02:52:11Z","modified":"2026-09-23T02:52:11Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6205.7,746.6 6172.3,6650.4 4407.7,6876.0 -0.0,6102.3 -0.0,-0.0 696.0,0.0 478.4,582.9 6205.7,746.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.7047149841524,42.772459291167124]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.7008847007531,42.77298532546958]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70004078042996,42.76962713957509]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70387106382927,42.76910110527264]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1885 | sanborn05850_001 p9","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-23T02:52:11Z","modified":"2026-09-23T02:52:11Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"409.2,7652.0 476.0,296.0 2594.8,266.8 2488.8,1445.2 4215.1,2067.4 4942.7,0.0 6452.0,0.0 6452.0,7652.0 409.2,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501885:05850_1885-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3544.0,3952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.698448,42.770028]}},{"type":"Feature","properties":{"resourceCoords":[476.0,296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7006422,42.771317]}}]}}]}