{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08264_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Sisseton, South-Dakota | 1910 | 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":"8"},{"label":"placed","value":"4"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 45.66338,-97.05093 +/-406m); p2__3 (tier 1, 45.66907,-97.05496 +/-100m); p2__4 (tier 1, 45.66562,-97.06212 +/-100m); p2__5 (tier 1, 45.66128,-97.04848 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sisseton, South-Dakota | 1910 | sanborn08264_002 p1 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"30"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-09-23T23:15:22Z","modified":"2026-09-23T23:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0001/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"484.8,7201.4 5989.7,7292.4 5999.9,6866.6 6512.0,6878.2 6512.0,5260.4 4306.4,5260.0 4297.2,3816.8 4186.0,2837.6 4186.0,0.0 357.4,0.0 249.1,7437.2 -0.0,7432.8 -0.0,7708.0 473.3,7708.0 484.8,7201.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4152.0,5360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0483296,45.6646626]}},{"type":"Feature","properties":{"resourceCoords":[308.0,3392.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0509593,45.665551]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sisseton, South-Dakota | 1910 | sanborn08264_002 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-09-23T23:15:22Z","modified":"2026-09-23T23:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0002/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5840.0,0.0 5214.0,0.0 3132.0,0.0 0.0,-0.0 -0.0,2126.3 431.7,2126.9 465.9,7708.0 1344.4,7708.0 3188.4,6316.0 5274.4,4982.0 6512.0,4318.4 6512.0,-0.0 5840.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4312.0,2056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0470077,45.661958]}},{"type":"Feature","properties":{"resourceCoords":[6252.0,2056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0470068,45.6610526]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sisseton, South-Dakota | 1910 | sanborn08264_002 p2 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"5274.4"},{"label":"split_canvas_y","value":"4318.4"},{"label":"split_canvas_w","value":"1237.6"},{"label":"split_canvas_h","value":"1909.2"}],"created":"2026-09-23T23:15:22Z","modified":"2026-09-23T23:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0002/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6512.0,4318.4 5274.4,4982.0 5275.6,6227.6 6512.0,6212.8 6512.0,4318.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[5274.4,4318.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.05304478161436,45.6605767944147]}},{"type":"Feature","properties":{"resourceCoords":[6512.0,4318.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.05302862156205,45.659998195452935]}},{"type":"Feature","properties":{"resourceCoords":[6512.0,6227.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.0543037864435,45.65998076187714]}},{"type":"Feature","properties":{"resourceCoords":[5274.4,6227.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.05431994649581,45.6605593608389]}},{"type":"Feature","properties":{"resourceCoords":[6312.4,4977.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0534714,45.6600855]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sisseton, South-Dakota | 1910 | sanborn08264_002 p3","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"}],"created":"2026-09-23T23:15:22Z","modified":"2026-09-23T23:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0003/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7708.0 0.0,-0.0 6512.0,0.0 6132.3,98.8 6156.1,7708.0 -0.0,7708.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd418m:g4184m:g4184sm:g082641910:08264_1910-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2240.0,3576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0535392,45.6655377]}},{"type":"Feature","properties":{"resourceCoords":[4164.0,7480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0522529,45.6637373]}}]}}]}