{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04270_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Carlton, Minnesota | 1914 | 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":"3"},{"label":"placed","value":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p2 (tier 1, 46.66305,-92.42475 +/-259m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144cm:g042701914:04270_1914-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carlton, Minnesota | 1914 | sanborn04270_004 p1 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"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":"2026-09-20T23:38:43Z","modified":"2026-09-20T23:38:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144cm:g042701914:04270_1914-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144cm:g042701914:04270_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,855.2 355.3,857.0 354.5,0.0 84.9,0.0 83.4,39.4 -0.0,38.4 -0.0,1913.0 1613.0,1913.0 1613.0,855.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144cm:g042701914:04270_1914-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.42301417569108,46.66479482336297]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.41582621282856,46.66476462333734]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.41587837081364,46.658910612318046]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.42306633367616,46.65894081234367]}},{"type":"Feature","properties":{"resourceCoords":[77.0,262.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4226782,46.6639901]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144cm:g042701914:04270_1914-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carlton, Minnesota | 1914 | sanborn04270_004 p1 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"1418.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5034.0"},{"label":"split_canvas_h","value":"3428.0"}],"created":"2026-09-20T23:38:43Z","modified":"2026-09-20T23:38:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144cm:g042701914:04270_1914-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144cm:g042701914:04270_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1363.9,535.5 1405.0,528.4 1402.2,508.9 1613.0,470.1 1613.0,0.0 354.5,-0.0 355.3,857.0 1422.8,855.5 1363.9,535.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144cm:g042701914:04270_1914-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1397.1,474.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4226219,46.6650089]}},{"type":"Feature","properties":{"resourceCoords":[582.4,841.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4303697,46.6637363]}}]}}]}