{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04084_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ludington, Michigan | 1900 | 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":"35"},{"label":"placed","value":"20"},{"label":"unplaced","value":"15"},{"label":"fit sources","value":"georef 16, georef-snap 4"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 20 panels"},{"label":"unplaced pages","value":"p1 (tier 3, 43.94898,-86.44787 +/-789m); p14__1 (tier 2, 43.94808,-86.44725 +/-100m); p14__2 (tier 1, 43.94890,-86.44524 +/-100m); p15__1 (tier 2, 43.94779,-86.43911 +/-100m); p15__2 (tier 2, 43.94779,-86.43911 +/-100m); p16__2 (tier 1, 43.94553,-86.44117 +/-265m); p16__3 (tier 2, 43.94505,-86.43996 +/-100m); p20__1 (tier 1, 43.96003,-86.46073 +/-212m); p20__3 (tier 1, 43.94137,-86.43836 +/-100m); p20__4 (tier 1, 43.94155,-86.43774 +/-100m); p20__5 (tier 1, 43.94128,-86.43743 +/-100m); p21 (tier 3, 43.93850,-86.43453 +/-476m); p22__1 (tier 3, 43.93394,-86.44760 +/-476m); p22__2 (tier 1, 43.93325,-86.45015 +/-100m); p2__2 (tier 1, 43.95535,-86.45855 +/-147m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p10 [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":"3296.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0010","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"133.0,123.0 130.3,1779.3 823.4,1783.5 819.2,837.7 816.1,125.9 133.0,123.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[648.0,1783.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4394263,43.951531]}},{"type":"Feature","properties":{"resourceCoords":[133.0,123.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4407916,43.954566]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p10 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"3262.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3249.6"},{"label":"split_canvas_h","value":"3350.8"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0010","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1033.5,705.8 1555.0,705.8 1554.4,587.0 1628.0,586.8 1628.0,0.0 815.6,0.0 818.6,707.2 951.9,706.7 952.4,837.1 1033.8,836.8 1033.5,705.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1555.0,705.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4422447,43.9576785]}},{"type":"Feature","properties":{"resourceCoords":[1033.5,705.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4436571,43.957673]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0010__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p10 [3]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"3276.8"},{"label":"split_canvas_y","value":"3337.6"},{"label":"split_canvas_w","value":"3235.2"},{"label":"split_canvas_h","value":"4370.4"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0010__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0010","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1457.0,1927.0 1628.0,1927.0 1628.0,834.4 847.5,837.6 846.1,1708.5 1457.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0010__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1328.1,1203.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4394156,43.9556261]}},{"type":"Feature","properties":{"resourceCoords":[848.2,1203.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4408006,43.9556158]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p11","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0011","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1548.9,72.1 1545.0,1135.0 1449.2,1134.7 1446.5,1842.2 1628.0,1842.9 1628.0,1927.0 -0.0,1927.0 -0.0,331.8 234.4,330.3 231.9,69.3 1548.9,72.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[763.0,1135.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4477391,43.9494335]}},{"type":"Feature","properties":{"resourceCoords":[1545.0,1135.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4456614,43.9494497]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0012","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.2,145.0 1432.8,138.1 1429.5,1207.9 1365.8,1208.3 1363.3,1923.8 -0.0,1927.0 -0.0,1214.9 96.4,1214.8 96.2,145.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[897.0,677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4435579,43.9504825]}},{"type":"Feature","properties":{"resourceCoords":[1429.0,677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4421535,43.9504896]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0013","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.7,143.5 1273.6,137.3 1272.4,0.0 1628.0,0.0 1628.0,1927.0 -0.0,1927.0 -0.0,1212.5 64.1,1211.8 63.7,143.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.44232198423633,43.95178651273962]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.438048661514,43.9517977203528]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.43803036423417,43.94813041625944]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.44230368695649,43.94811920864626]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0015__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p15 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2602.0"},{"label":"split_canvas_y","value":"6002.0"},{"label":"split_canvas_w","value":"3910.0"},{"label":"split_canvas_h","value":"1706.0"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0015__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0015","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"718.0,1927.0 1628.0,1927.0 1628.0,1500.5 650.5,1500.5 650.8,1927.0 718.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0015__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[650.5,1500.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.45523907880307,43.96020729796922]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1500.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.45265388519749,43.96023340309101]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.45263804585927,43.95942120903871]}},{"type":"Feature","properties":{"resourceCoords":[650.5,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.45522323946486,43.95939510391692]}},{"type":"Feature","properties":{"resourceCoords":[1297.2,1819.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.453517,43.9596178]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p16 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2143.6"},{"label":"split_canvas_h","value":"2704.4"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0016","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 0.0,676.1 535.9,674.0 534.9,0.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0016__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":[-86.44704090067238,43.965783043677924]}},{"type":"Feature","properties":{"resourceCoords":[535.9,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.44563097584212,43.96577766140953]}},{"type":"Feature","properties":{"resourceCoords":[535.9,676.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.44564034075884,43.964488755536614]}},{"type":"Feature","properties":{"resourceCoords":[0.0,676.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.4470502655891,43.964494137805005]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p17","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0017","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1399.5 -0.0,-0.0 1628.0,0.0 1628.0,1927.0 1229.6,1927.0 1228.7,1691.3 686.2,1690.0 687.0,1525.0 139.8,1523.5 139.5,1398.8 -0.0,1399.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[136.0,979.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4392951,43.9454687]}},{"type":"Feature","properties":{"resourceCoords":[687.0,1525.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4378218,43.944486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p18","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0018","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1549.7,130.4 1539.0,1785.0 1628.0,1785.5 1628.0,1927.0 -0.0,1927.0 -0.0,-0.0 997.4,0.0 997.0,126.0 1549.7,130.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[997.0,126.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4392377,43.9444544]}},{"type":"Feature","properties":{"resourceCoords":[1539.0,1785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4376836,43.941434]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p19","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0019","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"141.0,1445.0 138.2,0.0 670.3,0.0 671.8,231.2 1062.6,230.1 1062.0,0.0 1628.0,0.0 1628.0,1927.0 -0.0,1927.0 -0.0,1584.0 228.5,1582.2 227.4,1444.8 141.0,1445.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[668.0,908.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4363386,43.9424851]}},{"type":"Feature","properties":{"resourceCoords":[141.0,1445.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4376836,43.941434]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0020__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p20 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2470.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4041.2"},{"label":"split_canvas_h","value":"5702.8"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0020__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0020","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,0.0 617.7,0.0 619.2,985.2 925.6,986.2 927.5,1425.6 1096.9,1425.7 1628.0,1425.7 1628.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0020__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[617.7,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.44022967525056,43.94156227476984]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.43756176421225,43.94167719903994]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1425.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.4373364947032,43.93896939379334]}},{"type":"Feature","properties":{"resourceCoords":[617.7,1425.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.44000440574152,43.93885446952324]}},{"type":"Feature","properties":{"resourceCoords":[1058.4,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4390525,43.941451]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p2 [1]","metadata":[{"label":"streets","value":"7"},{"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":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1517.2,174.1 1518.0,0.0 888.7,0.0 879.0,1037.3 0.0,1040.1 -0.0,1927.0 1509.5,1919.0 1510.0,1823.5 1558.5,1823.7 1561.2,1290.0 1512.3,1290.2 1512.5,1230.7 1561.5,1230.7 1566.5,174.7 1517.2,174.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1037.0,1821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4563492,43.9544322]}},{"type":"Feature","properties":{"resourceCoords":[504.0,704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4578062,43.956539]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1297.0 -0.0,1237.5 49.1,1237.2 49.4,179.2 -0.0,179.2 0.0,-0.0 1628.0,0.0 1628.0,184.1 1330.5,183.7 1330.2,710.4 1628.0,712.5 1628.0,1272.5 1329.9,1273.3 1329.7,1830.8 1628.0,1830.0 1628.0,1927.0 -0.0,1927.0 -0.0,1831.3 48.6,1831.3 49.1,1296.7 -0.0,1297.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[628.0,1831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4534444,43.9544577]}},{"type":"Feature","properties":{"resourceCoords":[1164.0,1831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4520314,43.9544702]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1828.2 -0.0,1269.4 298.7,1268.5 298.4,707.2 -0.0,705.2 -0.0,177.4 298.1,177.7 298.1,0.0 1333.7,0.0 1333.2,171.8 1436.5,172.9 1438.0,711.0 1331.8,711.5 1330.3,1267.0 1436.5,1267.0 1434.3,1823.0 -0.0,1828.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1438.0,711.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4478462,43.9566221]}},{"type":"Feature","properties":{"resourceCoords":[1436.0,1267.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4478329,43.9555691]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.7,1272.2 -0.0,1272.4 -0.0,717.9 106.8,717.2 103.9,180.0 -0.0,179.2 -0.0,-0.0 1487.7,0.0 1487.0,178.7 1628.0,178.8 1628.0,1826.5 106.0,1827.2 106.7,1272.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.4481429576458,43.95798090808535]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.44388230630095,43.95800943398829]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.44383573073375,43.95435338612496]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.4480963820786,43.954324860222016]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"272.9,1696.4 272.7,255.6 357.1,255.9 357.2,120.2 898.0,122.2 897.7,0.0 1628.0,0.0 1628.0,811.4 1439.5,811.6 1438.8,926.5 1442.4,1140.8 1439.3,1770.8 319.9,1771.7 320.0,1696.5 272.9,1696.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.44459300055946,43.957894335833835]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.44034073250363,43.957922366527185]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.440294965526,43.954273509312785]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.44454723358183,43.954245478619434]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1014.3,1927.0 -0.0,1927.0 -0.0,601.7 -0.0,601.7 -0.0,164.1 425.8,166.2 426.2,69.5 1554.3,71.5 1547.0,1676.0 1013.5,1665.1 1014.3,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[495.0,71.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4506261,43.9544825]}},{"type":"Feature","properties":{"resourceCoords":[1547.0,1676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4477678,43.9514576]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p8","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"90.7,1676.1 83.0,77.5 1581.8,74.6 1581.7,0.0 1628.0,0.0 1628.0,1667.5 90.7,1676.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[615.0,1141.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4463855,43.9524893]}},{"type":"Feature","properties":{"resourceCoords":[1139.0,77.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4450149,43.9545329]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ludington, Michigan | 1900 | sanborn04084_004 p9","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T09:45:45Z","modified":"2026-09-23T09:45:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"300.7,1737.9 256.4,1738.2 251.5,112.1 1375.7,106.3 1385.2,1730.0 300.7,1739.6 300.7,1737.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114lm:g040841900:04084_1900-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[839.0,653.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4421806,43.9535376]}},{"type":"Feature","properties":{"resourceCoords":[839.0,1195.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4421738,43.9525228]}}]}}]}