{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04301_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Gilbert, Minnesota | 1909 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"11"},{"label":"placed","value":"4"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 47.48819,-92.46527 +/-338m); p1__2 (tier 4, 47.48819,-92.46527 +/-338m); p1__3 (tier 4, 47.48819,-92.46527 +/-338m); p1__4 (tier 4, 47.48819,-92.46527 +/-338m); p1__5 (tier 4, 47.48819,-92.46527 +/-338m); p2__3 (tier 2, 47.48777,-92.46503 +/-138m); p3__2 (tier 2, 47.48758,-92.46503 +/-145m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gilbert, Minnesota | 1909 | sanborn04301_001 p2 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.75"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2168.4"},{"label":"split_canvas_h","value":"2696.0"}],"created":"2026-10-20T04:19:08Z","modified":"2026-10-20T04:19:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"518.7,516.5 508.8,63.7 22.1,35.0 19.7,673.0 29.6,588.2 538.2,587.0 538.6,524.1 518.7,516.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[306.1,588.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4641448,47.4897575]}},{"type":"Feature","properties":{"resourceCoords":[306.1,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4634313,47.4904954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gilbert, Minnesota | 1909 | sanborn04301_001 p2 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.81"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-20T04:19:08Z","modified":"2026-10-20T04:19:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1154.4,300.0 1154.0,297.8 1154.0,297.3 1122.0,58.8 1049.2,32.7 1050.0,95.7 541.4,106.2 538.4,558.5 540.0,673.9 41.4,714.8 68.1,1644.2 1.0,1659.3 1.0,1683.9 856.0,1714.7 856.0,1717.6 1352.8,1872.3 1354.7,1906.7 1589.1,1829.3 1587.3,991.6 1575.8,991.6 1580.0,635.5 1589.1,635.2 1584.1,404.1 1571.0,306.2 1154.4,300.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[856.0,1676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4664953,47.4872959]}},{"type":"Feature","properties":{"resourceCoords":[1577.0,90.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4624006,47.4889804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gilbert, Minnesota | 1909 | sanborn04301_001 p3 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.68"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-20T04:19:08Z","modified":"2026-10-20T04:19:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"297.2,573.7 349.6,574.0 349.6,581.1 354.1,581.7 368.2,1867.2 1566.5,1875.2 1596.8,290.4 1612.0,285.8 1612.0,251.7 1128.7,87.4 1128.8,84.5 290.1,32.6 290.7,8.7 72.7,51.9 47.9,237.1 84.2,543.7 297.2,573.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1126.0,966.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4678988,47.485834]}},{"type":"Feature","properties":{"resourceCoords":[1126.0,1882.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4692882,47.4843736]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0003__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gilbert, Minnesota | 1909 | sanborn04301_001 p3 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.61"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5300.0"},{"label":"split_canvas_w","value":"1374.0"},{"label":"split_canvas_h","value":"2352.0"}],"created":"2026-10-20T04:19:08Z","modified":"2026-10-20T04:19:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0003__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"82.3,1325.0 70.1,1325.0 72.9,1556.0 63.8,1556.2 56.2,1912.0 67.8,1912.0 67.8,1908.6 327.0,1892.1 325.1,1379.5 84.0,1331.6 82.3,1325.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144gm:g043011909:04301_1909-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1325.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.46303093466403,47.488562745420204]}},{"type":"Feature","properties":{"resourceCoords":[343.5,1325.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.46224424526717,47.48820695121861]}},{"type":"Feature","properties":{"resourceCoords":[343.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.46314230236104,47.48729633373993]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.4639289917579,47.48765212794152]}},{"type":"Feature","properties":{"resourceCoords":[72.9,1556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4632168,47.4881295]}}]}}]}