{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08235_008.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Groton, South-Dakota | 1930 | 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":"10"},{"label":"placed","value":"7"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 4, georef-snap 2, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 45.44704,-98.10174 +/-100m); p3__2 (tier 1, 45.44830,-98.09892 +/-100m); p3__3 (tier 1, 45.44824,-98.09878 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Groton, South-Dakota | 1930 | sanborn08235_008 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3184.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4467.6"}],"created":"2026-09-22T19:18:27Z","modified":"2026-09-22T19:18:27Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 1736.0,7652.0 2434.4,7652.0 2435.6,7652.0 3846.0,7652.0 3841.6,3890.1 2520.8,3916.4 2518.0,3184.4 0.0,3186.4 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2632.0,7416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1034439,45.4472556]}},{"type":"Feature","properties":{"resourceCoords":[5324.0,3288.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1015887,45.4492641]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Groton, South-Dakota | 1930 | sanborn08235_008 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-22T19:18:27Z","modified":"2026-09-22T19:18:27Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6181.1,6231.9 5743.1,6265.9 5745.8,7652.0 -0.0,7652.0 -0.0,0.0 6278.5,-0.0 6279.4,6030.5 6181.1,6231.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4088.0,6264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1001693,45.4512746]}},{"type":"Feature","properties":{"resourceCoords":[4088.0,1840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.0972663,45.45128]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Groton, South-Dakota | 1930 | sanborn08235_008 p3 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"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":"2026-09-22T19:18:27Z","modified":"2026-09-22T19:18:27Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0003__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5928.2,7085.4 5940.5,537.1 3882.2,525.0 3758.7,380.2 3751.1,0.0 -0.0,-0.0 0.0,5288.0 1456.4,5254.0 1460.4,6642.4 1462.8,7652.0 2364.8,7652.0 2368.0,7078.9 5928.2,7085.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1568.0,2712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.1015887,45.4492641]}},{"type":"Feature","properties":{"resourceCoords":[5936.0,4904.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.0987184,45.4482669]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Groton, South-Dakota | 1930 | sanborn08235_008 p4","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"}],"created":"2026-09-22T19:18:27Z","modified":"2026-09-22T19:18:27Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"124.9,7296.9 139.9,865.9 1276.0,866.1 2349.5,873.5 3421.6,876.6 4152.9,878.7 4155.1,0.0 6428.5,0.0 6400.5,7312.9 124.9,7296.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.0988262,45.4506765]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.0945265,45.4506918]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.0945005,45.4471143]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.0988002,45.447099]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Groton, South-Dakota | 1930 | sanborn08235_008 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T19:18:27Z","modified":"2026-09-22T19:18:27Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1766.7,7378.3 356.6,7401.3 249.1,0.0 6452.0,0.0 6452.0,7652.0 1771.3,7652.0 1766.7,7378.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.09470404367248,45.45067412105221]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.09050973743791,45.45063485675706]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.09057565014652,45.44712046648576]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.09476995638109,45.4471597307809]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Groton, South-Dakota | 1930 | sanborn08235_008 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T19:18:27Z","modified":"2026-09-22T19:18:27Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,199.6 4914.2,177.8 4947.3,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.10105112323222,45.447352309642966]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.0968613140384,45.44734947420961]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.0968660735832,45.443838646822954]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.10105588277702,45.44384148225631]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Groton, South-Dakota | 1930 | sanborn08235_008 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-22T19:18:27Z","modified":"2026-09-22T19:18:27Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,72.2 6452.0,81.2 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184gm:g082351930:08235_1930-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3100.0,2280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.0958174,45.4462567]}},{"type":"Feature","properties":{"resourceCoords":[3100.0,5684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.0958097,45.4446883]}}]}}]}