{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03954_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Center Line, Michigan | 1927 | 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":"10"},{"label":"placed","value":"5"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 5"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 42.47484,-83.02892 +/-2848m); p3__3 (tier 1, 42.48085,-83.02351 +/-100m); p3__4 (tier 1, 42.47742,-83.03634 +/-100m); p4__2 (tier 4, 42.47484,-83.02892 +/-2848m); p4__3 (tier 4, 42.47484,-83.02892 +/-2848m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Center Line, Michigan | 1927 | sanborn03954_001 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"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":"2026-09-23T04:58:51Z","modified":"2026-09-23T04:58:51Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0001/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6102.6,7559.6 6101.2,7708.0 6512.0,7708.0 6512.0,3828.8 3800.0,3876.0 3795.6,2542.8 1386.8,2571.6 1385.2,0.0 -0.0,-0.0 -0.0,233.8 779.6,239.0 777.4,568.1 264.2,562.3 276.2,7531.0 6102.6,7559.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[292.0,4480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0274173,42.4825188]}},{"type":"Feature","properties":{"resourceCoords":[6388.0,6464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0234653,42.4816816]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Center Line, Michigan | 1927 | sanborn03954_001 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-23T04:58:51Z","modified":"2026-09-23T04:58:51Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0002/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 6512.0,0.0 6512.0,346.2 5988.0,333.6 6048.0,7448.0 0.0,7450.5 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6048.0,5716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0273903,42.4818796]}},{"type":"Feature","properties":{"resourceCoords":[6048.0,7448.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0273602,42.481079]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Center Line, Michigan | 1927 | sanborn03954_001 p3 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"},{"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":"2026-09-23T04:58:51Z","modified":"2026-09-23T04:58:51Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0003__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0003/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,256.2 0.0,2430.8 1137.2,2438.8 1137.2,3188.4 2483.2,3190.4 2721.6,6035.6 2754.4,6428.4 4876.8,6432.8 4891.2,7708.0 6512.0,7708.0 6512.0,7398.6 6006.3,7396.8 6048.0,258.0 -0.0,256.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0003__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":[-83.03116348074597,42.481118936787915]}},{"type":"Feature","properties":{"resourceCoords":[6512.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.02707336440979,42.481204340922865]}},{"type":"Feature","properties":{"resourceCoords":[6512.0,7708.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.02693600185887,42.47764146383862]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7708.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03102611819506,42.47755605970367]}},{"type":"Feature","properties":{"resourceCoords":[6048.0,256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0273602,42.481079]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Center Line, Michigan | 1927 | sanborn03954_001 p3 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2430.8"},{"label":"split_canvas_w","value":"2721.6"},{"label":"split_canvas_h","value":"5277.2"}],"created":"2026-09-23T04:58:51Z","modified":"2026-09-23T04:58:51Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0003__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0003/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7708.0 1432.8,7708.0 1489.6,6035.6 2721.6,6035.6 2483.2,3190.4 1137.2,3188.4 1137.2,2438.8 0.0,2430.8 -0.0,7708.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,2430.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.0361650649571,42.45088493313721]}},{"type":"Feature","properties":{"resourceCoords":[2721.6,2430.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03445721140395,42.450932766409366]}},{"type":"Feature","properties":{"resourceCoords":[2721.6,7708.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03433104107232,42.44849297043187]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7708.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.03603889462548,42.448445137159716]}},{"type":"Feature","properties":{"resourceCoords":[2433.4,4785.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.034583,42.449839]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Center Line, Michigan | 1927 | sanborn03954_001 p4 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"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":"2026-09-23T04:58:51Z","modified":"2026-09-23T04:58:51Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0004__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0004/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6512.0,7708.0 6512.0,2998.8 3967.2,3006.0 4554.0,1564.8 4904.4,704.4 4904.4,428.9 463.9,449.5 447.1,7708.0 6512.0,7708.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114cm:g039541927:03954_1927-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[452.0,3612.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.027319,42.479641]}},{"type":"Feature","properties":{"resourceCoords":[452.0,5384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0272918,42.4788353]}}]}}]}