{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn02639_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Eagle Grove, Iowa | 1921 | mapsnap generated fit (2026-09-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-20"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"12"},{"label":"placed","value":"10"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 6, georef-snap 3, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p2__2 (tier 1, 42.66664,-93.90269 +/-101m); p8__4 (tier 2, 42.66440,-93.90314 +/-539m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eagle Grove, Iowa | 1921 | sanborn02639_004 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T23:38:36Z","modified":"2026-09-20T23:38:36Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"823.2,-0.0 6248.7,-0.0 6196.8,3137.9 4068.6,3083.5 4026.0,5239.4 2373.0,5174.0 1652.4,5362.3 -0.0,7269.1 -0.0,88.6 817.8,172.9 823.2,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.90113640865864,42.66935793456444]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.90097055911745,42.666182096770754]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.90605733567999,42.6660364532628]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.90622318522118,42.66921229105648]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eagle Grove, Iowa | 1921 | sanborn02639_004 p2 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"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":"2026-09-20T23:38:36Z","modified":"2026-09-20T23:38:36Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7147.6 6268.0,7352.0 6341.6,5243.4 4220.0,5182.3 4299.9,3544.8 4121.3,2829.0 2260.1,1174.7 4648.3,1196.1 4651.2,0.0 -0.0,-0.0 -0.0,7147.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2048.0,5120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.9059843,42.6672558]}},{"type":"Feature","properties":{"resourceCoords":[6268.0,7352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.9030631,42.666248]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eagle Grove, Iowa | 1921 | sanborn02639_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T23:38:36Z","modified":"2026-09-20T23:38:36Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1605.8 -0.0,-0.0 6452.0,0.0 6452.0,7286.1 193.0,7264.5 105.6,1607.5 -0.0,1605.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.90120642845456,42.669710712598786]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.89709159594254,42.66978146522292]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.89697827547062,42.66616780308507]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.90109310798263,42.666097050460934]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eagle Grove, Iowa | 1921 | sanborn02639_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T23:38:36Z","modified":"2026-09-20T23:38:36Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,676.8 6452.0,7158.3 2150.7,7083.0 2145.6,7652.0 -0.0,7652.0 -0.0,-0.0 220.6,0.0 244.1,682.8 6452.0,676.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.9074729693949,42.66654181443743]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.90310818048316,42.66658623404777]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.90303703978668,42.66275286102294]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.90740182869843,42.6627084414126]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eagle Grove, Iowa | 1921 | sanborn02639_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T23:38:36Z","modified":"2026-09-20T23:38:36Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2345.1,7118.2 265.0,7115.6 155.8,450.8 6452.0,299.4 6452.0,7652.0 2345.7,7652.0 2345.1,7118.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.90320362740772,42.66646704056378]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.89895907281063,42.66645874971567]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.89897235108798,42.66273096732389]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.90321690568507,42.662739258171996]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eagle Grove, Iowa | 1921 | sanborn02639_004 p6","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-20T23:38:36Z","modified":"2026-09-20T23:38:36Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3736.7,0.0 6452.0,0.0 6452.0,7652.0 587.3,7652.0 649.1,308.9 3741.3,267.8 3736.7,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2684.0,7300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8976333,42.6630332]}},{"type":"Feature","properties":{"resourceCoords":[4776.0,7300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8962964,42.6630389]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eagle Grove, Iowa | 1921 | sanborn02639_004 p7","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-20T23:38:36Z","modified":"2026-09-20T23:38:36Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 31.2,469.7 6273.1,510.5 6271.0,1026.4 6452.0,1027.4 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2180.0,2544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.9044753,42.6619656]}},{"type":"Feature","properties":{"resourceCoords":[4292.0,2544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.9030275,42.6619685]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eagle Grove, Iowa | 1921 | sanborn02639_004 p8 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3318.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-20T23:38:36Z","modified":"2026-09-20T23:38:36Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0008__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3318.0,7652.0 3318.0,2895.6 3318.0,0.0 0.0,0.0 -0.0,7652.0 3318.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1087.3,2864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.9088845,42.6651434]}},{"type":"Feature","properties":{"resourceCoords":[1087.3,5200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.9088672,42.6640672]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eagle Grove, Iowa | 1921 | sanborn02639_004 p8 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3318.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1808.4"},{"label":"split_canvas_h","value":"2895.6"}],"created":"2026-09-20T23:38:36Z","modified":"2026-09-20T23:38:36Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0008__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3318.0,2895.6 5096.4,2894.8 5118.2,790.2 3318.0,789.1 3318.0,2895.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5014.6,2659.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8962873,42.6619904]}},{"type":"Feature","properties":{"resourceCoords":[5014.6,439.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8962964,42.6630389]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0008__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Eagle Grove, Iowa | 1921 | sanborn02639_004 p8 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"5096.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1355.6"},{"label":"split_canvas_h","value":"2894.8"}],"created":"2026-09-20T23:38:36Z","modified":"2026-09-20T23:38:36Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0008__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 5126.4,0.0 5096.4,2894.8 6452.0,2894.0 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154em:g026391921:02639_1921-0008__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5304.3,2554.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8990179,42.6707936]}},{"type":"Feature","properties":{"resourceCoords":[5304.3,415.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8990185,42.6718019]}}]}}]}