{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05191_008.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Grand Island, Nebraska | 1915 | 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":"31"},{"label":"placed","value":"15"},{"label":"unplaced","value":"16"},{"label":"fit sources","value":"georef 8, georef-snap 7"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 18 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 40.92787,-98.33944 +/-257m); p10__1 (tier 4, 40.92599,-98.34262 +/-1442m); p10__2 (tier 4, 40.92599,-98.34262 +/-1442m); p11__1 (tier 1, 40.90706,-98.36787 +/-213m); p11__2 (tier 1, 40.90862,-98.36747 +/-139m); p11__3 (tier 1, 40.90809,-98.36770 +/-100m); p11__4 (tier 1, 40.90720,-98.36776 +/-100m); p12__2 (tier 1, 40.92502,-98.33411 +/-188m); p12__3 (tier 1, 40.92569,-98.33539 +/-102m); p12__4 (tier 1, 40.92386,-98.33507 +/-100m); p12__5 (tier 1, 40.92558,-98.33353 +/-100m); p12__6 (tier 2, 40.92454,-98.33627 +/-269m); p13__2 (tier 1, 40.92602,-98.34823 +/-100m); p16__2 (tier 1, 40.93467,-98.33163 +/-100m); p9__1 (tier 2, 40.92828,-98.33338 +/-100m); p9__2 (tier 1, 40.93097,-98.33252 +/-199m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p12 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"17"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2573.6"}],"created":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 1379.3,2.0 54.8,132.8 60.2,199.3 -0.0,348.0 -0.0,419.4 129.7,475.4 145.8,643.4 1613.0,643.1 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[575.0,336.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.3359314,40.9241536]}},{"type":"Feature","properties":{"resourceCoords":[306.0,336.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.337177,40.9237557]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p13 [1]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"42"},{"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":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1268.0,0.0 1083.0,0.0 -0.0,-0.0 -0.0,1857.1 1253.7,1878.5 1255.2,1819.2 1491.8,1824.2 1495.5,1620.3 1543.2,1620.4 1553.2,1098.4 1251.5,1093.5 1258.3,826.9 1309.6,828.0 1318.6,115.9 1318.7,34.2 1278.6,33.6 1279.5,0.0 1268.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[543.0,1079.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.352346,40.925335]}},{"type":"Feature","properties":{"resourceCoords":[801.0,551.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.35252,40.927524]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.6,1621.8 41.4,824.9 -0.0,825.0 -0.0,-0.0 1565.5,0.0 1576.3,1886.8 -0.0,1889.3 -0.0,1621.6 51.6,1621.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.35363058883054,40.93278882877475]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34667399231625,40.93562484639547]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34225317841391,40.92934766452673]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.3492097749282,40.92651164690601]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.9,1887.4 37.2,8.3 -0.0,-0.0 1613.0,0.0 1613.0,824.3 1545.2,823.1 1515.8,754.7 1056.6,743.6 1056.4,1350.6 1203.7,1352.0 1205.5,1689.5 1280.8,1832.6 1283.4,1887.0 52.9,1887.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34705960483284,40.93550312863881]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34006479509931,40.9383367580492]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.33564752151169,40.9320253557468]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34264233124522,40.929191726336406]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p16 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"24"},{"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":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"305.1,1141.2 121.0,1145.4 141.9,1913.0 293.3,1913.0 683.0,1913.0 743.8,1913.0 1613.0,1913.0 1613.0,0.0 613.4,0.0 614.6,67.4 546.9,67.9 516.2,0.0 415.0,0.0 416.1,447.2 65.4,445.5 68.4,608.8 215.5,606.6 223.6,945.0 301.4,1086.7 305.1,1141.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[824.0,324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.33667,40.935115]}},{"type":"Feature","properties":{"resourceCoords":[824.0,591.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.336078,40.93423]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1613.0,0.0 1613.0,281.9 1570.2,282.4 1568.9,817.3 1613.0,817.5 1613.0,1913.0 -0.0,1913.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.36052895220027,40.918608509946]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.35360846883206,40.92145730961383]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34916867948682,40.9152113786462]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.35608916285503,40.91236257897837]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.4,285.1 92.0,4.0 1548.0,0.0 1547.0,288.8 1574.3,288.8 1582.2,1882.0 1547.2,1882.0 1547.3,1913.0 94.6,1911.4 93.1,819.1 49.1,819.0 49.6,285.6 92.4,285.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.35401383318253,40.92130794006859]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34706761099731,40.924157621894466]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.3426262637222,40.917888719383534]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34957248590742,40.915039037557655]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p19","metadata":[{"label":"streets","value":"19"},{"label":"intersections","value":"61"}],"created":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.2,1151.7 30.0,79.8 1569.8,79.2 1565.2,158.9 1460.2,354.6 1613.0,438.8 1613.0,669.5 1613.0,669.5 1613.0,1913.0 -0.0,1913.0 -0.0,1151.8 35.2,1151.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1493.0,890.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.337191,40.921334]}},{"type":"Feature","properties":{"resourceCoords":[292.0,348.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.343593,40.920988]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1065.6,1723.2 1065.9,1562.7 -0.0,1559.9 -0.0,1160.6 93.4,1159.0 94.6,136.4 1613.0,134.6 1613.0,1725.7 1065.6,1723.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[580.0,656.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.3462552,40.9266971]}},{"type":"Feature","properties":{"resourceCoords":[94.0,656.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.3473328,40.9262561]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1579.7,1778.8 1074.0,1784.9 96.7,1780.3 90.4,139.1 1585.1,146.7 1579.7,1778.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34494489887425,40.92865467084195]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34149492569495,40.93007333640189]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.33928360562531,40.92696014844095]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34273357880461,40.92554148288101]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.7,140.6 1613.0,144.5 1613.0,1646.1 1335.6,1638.5 1337.3,1576.0 1055.7,1580.1 1050.0,1709.5 49.2,1724.8 58.7,140.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[551.0,658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.339675,40.929389]}},{"type":"Feature","properties":{"resourceCoords":[1544.0,658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.337475,40.930287]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.6,1749.1 54.2,692.1 -0.0,692.3 -0.0,-0.0 1564.5,0.0 1576.2,1746.5 54.6,1749.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34748448435856,40.92423820258782]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34398352002965,40.92566181721337]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34176463249162,40.92250240682995]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34526559682052,40.921078792204405]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"61.7,1743.6 49.0,170.1 1565.4,169.0 1574.2,1736.8 61.7,1743.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34420177345604,40.92558932832506]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34067712972448,40.927017730496566]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.33845073407248,40.92383701673986]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.34197537780403,40.922408614568354]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p7","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"20"}],"created":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"74.0,1744.0 66.3,186.2 1563.6,151.1 1566.5,1724.9 74.0,1744.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1066.0,1212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.3371684,40.9258645]}},{"type":"Feature","properties":{"resourceCoords":[74.0,1744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.3387407,40.9240957]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Island, Nebraska | 1915 | sanborn05191_008 p8","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"}],"created":"2026-09-23T06:41:05Z","modified":"2026-09-23T06:41:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"399.1,0.0 396.4,64.3 1613.0,115.2 1613.0,1775.2 68.0,1744.5 109.3,0.0 399.1,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051911915:05191_1915-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1078.0,1758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.3332862,40.9263391]}},{"type":"Feature","properties":{"resourceCoords":[90.0,686.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.3366756,40.9271776]}}]}}]}