{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02565_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Anamosa, Iowa | 1917 | 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":"12"},{"label":"placed","value":"9"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 6, georef-snap 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__3 (tier 1, 42.11222,-91.28622 +/-100m); p7__2 (tier 1, 42.10511,-91.28687 +/-100m); p7__3 (tier 3, 42.10634,-91.28056 +/-426m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anamosa, Iowa | 1917 | sanborn02565_005 p1 [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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T08:01:39Z","modified":"2026-09-23T08:01:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1647.2 126.3,1646.4 128.6,61.6 168.2,61.7 168.3,0.0 -0.0,-0.0 0.0,1647.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[728.0,902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.2881128,42.1082367]}},{"type":"Feature","properties":{"resourceCoords":[728.0,341.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.2881128,42.1091199]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anamosa, Iowa | 1917 | sanborn02565_005 p1 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"3312.0"},{"label":"split_canvas_y","value":"3764.8"},{"label":"split_canvas_w","value":"3140.0"},{"label":"split_canvas_h","value":"3887.2"}],"created":"2026-09-23T08:01:39Z","modified":"2026-09-23T08:01:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,941.2 828.0,944.1 828.0,1913.0 1613.0,1913.0 1613.0,941.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1289.0,975.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.2758642,42.1092603]}},{"type":"Feature","properties":{"resourceCoords":[856.0,1431.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.276954,42.108353]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anamosa, Iowa | 1917 | sanborn02565_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:01:39Z","modified":"2026-09-23T08:01:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.7,1709.5 37.0,0.0 1613.0,0.0 1613.0,660.2 1567.8,660.6 1572.8,1463.0 1042.4,1469.5 1044.2,1712.7 57.7,1709.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.28938722523111,42.11232138653888]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.28536488296848,42.11227997502158]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.28543062307244,42.10871603009708]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.28945296533507,42.10875744161438]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anamosa, Iowa | 1917 | sanborn02565_005 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-23T08:01:39Z","modified":"2026-09-23T08:01:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1506.3,369.0 954.0,372.0 776.5,373.0 789.4,1823.0 -0.0,1820.5 -0.0,0.0 1502.9,-0.0 1506.3,369.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[954.0,372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.2819215,42.1092856]}},{"type":"Feature","properties":{"resourceCoords":[480.0,1822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.285509,42.1101682]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anamosa, Iowa | 1917 | sanborn02565_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:01:39Z","modified":"2026-09-23T08:01:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1019.4,0.0 1549.0,0.0 1546.2,639.8 1500.2,761.1 1507.4,1686.1 1031.0,1704.9 1031.5,1913.0 -0.0,1913.0 -0.0,-0.0 33.6,0.0 33.5,227.5 1018.1,242.8 1019.4,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.28938476974322,42.10955967595362]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.28535537517763,42.10955534494333]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.28536225028648,42.10598499620338]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.28939164485207,42.10598932721367]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anamosa, Iowa | 1917 | sanborn02565_005 p5","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"}],"created":"2026-09-23T08:01:39Z","modified":"2026-09-23T08:01:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1547.8,1696.7 63.5,1721.1 62.0,789.7 108.7,667.9 115.7,0.0 1553.6,0.0 1547.8,1696.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1553.0,176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.2819215,42.1092856]}},{"type":"Feature","properties":{"resourceCoords":[554.0,1713.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.2843999,42.1064279]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anamosa, Iowa | 1917 | sanborn02565_005 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:01:39Z","modified":"2026-09-23T08:01:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"418.0,115.9 418.6,0.0 1613.0,0.0 1613.0,1913.0 68.1,1913.0 47.4,117.5 418.0,115.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.28203704002983,42.10848692693893]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.27805780853477,42.10848858511244]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.27805517636902,42.10496262699466]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.28203440786409,42.10496096882115]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anamosa, Iowa | 1917 | sanborn02565_005 p7 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"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":"3595.6"}],"created":"2026-09-23T08:01:39Z","modified":"2026-09-23T08:01:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,497.4 480.1,489.4 480.1,590.3 791.9,590.1 791.7,898.9 1489.5,898.6 1498.0,78.0 1013.7,90.8 -0.0,290.5 0.0,497.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[528.0,95.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.288009,42.106357]}},{"type":"Feature","properties":{"resourceCoords":[1498.0,78.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.2856253,42.1064087]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0007__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Anamosa, Iowa | 1917 | sanborn02565_005 p7 [4]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3594.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4057.6"}],"created":"2026-09-23T08:01:39Z","modified":"2026-09-23T08:01:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0007__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,1837.6 1564.4,1837.9 1540.0,1036.5 74.8,1075.3 80.4,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154am:g025651917:02565_1917-0007__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[562.0,1506.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.2843984,42.1055942]}},{"type":"Feature","properties":{"resourceCoords":[1048.0,1049.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.2831623,42.1064473]}}]}}]}