{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04021_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Grand Haven, Michigan | 1883 | 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":"29"},{"label":"placed","value":"9"},{"label":"unplaced","value":"20"},{"label":"fit sources","value":"georef 7, georef-snap 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 19 panels"},{"label":"unplaced pages","value":"p1 (tier 4, 43.07006,-86.21767 +/-1722m); p10 (tier 1, 43.06799,-86.22140 +/-257m); p11 (tier 1, 43.07925,-86.20010 +/-263m); p12 (tier 1, 43.07577,-86.20051 +/-254m); p14__1 (tier 4, 43.07006,-86.21767 +/-1722m); p14__3 (tier 4, 43.07006,-86.21767 +/-1722m); p16 (tier 1, 43.07828,-86.19921 +/-260m); p17 (tier 4, 43.07006,-86.21767 +/-1722m); p18__1 (tier 1, 43.05934,-86.23225 +/-259m); p18__2 (tier 1, 43.06737,-86.23082 +/-100m); p5__2 (tier 4, 43.07006,-86.21767 +/-1722m); p6__1 (tier 1, 43.06266,-86.23448 +/-200m); p6__2 (tier 1, 43.06229,-86.23431 +/-214m); p7__1 (tier 4, 43.07006,-86.21767 +/-1722m); p7__2 (tier 4, 43.07006,-86.21767 +/-1722m); p7__3 (tier 4, 43.07006,-86.21767 +/-1722m); p8__1 (tier 1, 43.07676,-86.20280 +/-216m); p8__2 (tier 1, 43.07717,-86.19892 +/-213m); p9__1 (tier 4, 43.07006,-86.21767 +/-1722m); p9__2 (tier 4, 43.07006,-86.21767 +/-1722m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Haven, Michigan | 1883 | sanborn04021_001 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T02:37:24Z","modified":"2026-09-23T02:37:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0013","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1560.6,1250.3 -0.0,1223.2 0.0,-0.0 1631.0,0.0 1631.0,80.9 1579.3,80.1 1560.6,1250.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.20469615926046,43.0779329129613]}},{"type":"Feature","properties":{"resourceCoords":[1631.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.20050612357637,43.07795501559863]}},{"type":"Feature","properties":{"resourceCoords":[1631.0,1921.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.20047073406212,43.07432478657033]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1921.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.20466076974621,43.074302683933]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Haven, Michigan | 1883 | sanborn04021_001 p14 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"1532.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4991.6"},{"label":"split_canvas_h","value":"7684.0"}],"created":"2026-09-23T02:37:24Z","modified":"2026-09-23T02:37:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0014__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0014","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1528.0,274.8 1631.0,271.3 1631.0,-0.0 623.6,0.0 634.7,951.0 383.1,957.8 385.6,1195.3 391.0,1757.2 421.5,1755.8 423.1,1807.0 1587.2,1773.1 1528.0,274.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[423.1,1807.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2006375,43.0778029]}},{"type":"Feature","properties":{"resourceCoords":[1535.0,431.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1971807,43.0755929]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Haven, Michigan | 1883 | sanborn04021_001 p15","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"8"}],"created":"2026-09-23T02:37:24Z","modified":"2026-09-23T02:37:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0015","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1631.0,786.4 1631.0,1921.0 -0.0,1921.0 -0.0,795.0 1631.0,786.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[135.0,211.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2006492,43.0767007]}},{"type":"Feature","properties":{"resourceCoords":[1478.0,211.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.197167,43.07669]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Haven, Michigan | 1883 | sanborn04021_001 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"}],"created":"2026-09-23T02:37:24Z","modified":"2026-09-23T02:37:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0002","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1631.0,1782.8 0.0,1793.3 0.0,545.4 0.0,543.2 -0.0,-0.0 1631.0,0.0 1631.0,1782.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1067.0,1137.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.231668,43.066173]}},{"type":"Feature","properties":{"resourceCoords":[118.0,1137.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2326414,43.0644665]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Haven, Michigan | 1883 | sanborn04021_001 p3 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2128.8"},{"label":"split_canvas_h","value":"7684.0"}],"created":"2026-09-23T02:37:24Z","modified":"2026-09-23T02:37:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0003","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"531.2,1921.0 532.1,164.6 293.9,160.8 294.0,143.4 -0.0,143.3 -0.0,1013.7 -0.0,1921.0 531.2,1921.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[291.1,330.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.225283,43.064233]}},{"type":"Feature","properties":{"resourceCoords":[291.1,1706.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.222074,43.06328]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Haven, Michigan | 1883 | sanborn04021_001 p3 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"2124.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4399.2"},{"label":"split_canvas_h","value":"7684.0"}],"created":"2026-09-23T02:37:24Z","modified":"2026-09-23T02:37:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0003","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1457.7,0.0 532.2,0.0 531.2,1921.0 671.0,1921.0 962.0,1921.0 980.3,1921.0 981.1,1808.1 1432.8,1814.0 1457.7,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1077.1,1144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.233115,43.063608]}},{"type":"Feature","properties":{"resourceCoords":[600.2,1144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.233578,43.062764]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Haven, Michigan | 1883 | sanborn04021_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T02:37:24Z","modified":"2026-09-23T02:37:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0004","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1921.0 0.0,41.1 1586.5,44.7 1584.2,1921.0 0.0,1921.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23169914639931,43.06299483195699]}},{"type":"Feature","properties":{"resourceCoords":[1631.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.23014790432879,43.065791609471766]}},{"type":"Feature","properties":{"resourceCoords":[1631.0,1921.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.2256707604154,43.064447349561284]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1921.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.22722200248592,43.06165057204651]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Haven, Michigan | 1883 | sanborn04021_001 p5 [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":"6524.0"},{"label":"split_canvas_h","value":"7684.0"}],"created":"2026-09-23T02:37:24Z","modified":"2026-09-23T02:37:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0005","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"131.0,54.0 151.2,1921.0 851.0,1921.0 851.3,1722.5 852.6,1160.5 1631.0,1163.3 1631.0,0.0 720.8,0.0 721.1,50.0 131.0,54.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[619.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2295991,43.0665244]}},{"type":"Feature","properties":{"resourceCoords":[131.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.230086,43.065684]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0007__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Haven, Michigan | 1883 | sanborn04021_001 p7 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3680.4"},{"label":"split_canvas_y","value":"5388.4"},{"label":"split_canvas_w","value":"2843.6"},{"label":"split_canvas_h","value":"2295.6"}],"created":"2026-09-23T02:37:24Z","modified":"2026-09-23T02:37:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0007__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0007","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"920.4,1921.0 1631.0,1921.0 1631.0,1347.1 935.4,1347.1 920.1,1921.0 920.4,1921.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040211883:04021_1883-0007__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[977.1,1825.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2143168,43.0792139]}},{"type":"Feature","properties":{"resourceCoords":[977.1,1377.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2137325,43.0800092]}}]}}]}