{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04054_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ironwood, Michigan | 1891 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"18"},{"label":"placed","value":"10"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 7, georef-snap 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p10__1 (tier 4, 46.45402,-90.16577 +/-2469m); p10__2 (tier 4, 46.45402,-90.16577 +/-2469m); p10__3 (tier 4, 46.45402,-90.16577 +/-2469m); p10__4 (tier 4, 46.45402,-90.16577 +/-2469m); p2__2 (tier 1, 46.46212,-90.18065 +/-120m); p3__2 (tier 1, 46.45546,-90.15720 +/-100m); p6__2 (tier 4, 46.45402,-90.16577 +/-2469m); p8 (tier 1, 46.48487,-90.03808 +/-260m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ironwood, Michigan | 1891 | sanborn04054_002 p11","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-22T15:18:16Z","modified":"2026-09-22T15:18:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0011","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,0.0 1628.0,1927.0 -0.0,1927.0 0.0,-0.0 1628.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.13595500066243,46.45769132778737]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.13150005844462,46.45773415925436]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.13142654762824,46.454097451462]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.13588148984606,46.45405461999501]}},{"type":"Feature","properties":{"resourceCoords":[397.0,1107.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1348264,46.4556126]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ironwood, Michigan | 1891 | sanborn04054_002 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4855.2"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"2852.8"}],"created":"2026-09-22T15:18:16Z","modified":"2026-09-22T15:18:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1055.0,1927.0 1340.0,1927.0 1628.0,1927.0 1628.0,1213.8 0.0,1219.2 -0.0,1927.0 1055.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[695.0,1623.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1773048,46.4499142]}},{"type":"Feature","properties":{"resourceCoords":[695.0,1238.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.177324,46.4506952]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ironwood, Michigan | 1891 | sanborn04054_002 p1 [2]","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":"6512.0"},{"label":"split_canvas_h","value":"4876.8"}],"created":"2026-09-22T15:18:16Z","modified":"2026-09-22T15:18:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"111.8,1218.8 1628.0,1213.8 1628.0,174.8 1628.0,0.0 1392.8,0.0 51.7,887.4 111.8,1218.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.1653569757713,46.455455107562436]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.16090166907469,46.45547213251092]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1219.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.16088318506898,46.45317140106594]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1219.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.1653384917656,46.45315437611745]}},{"type":"Feature","properties":{"resourceCoords":[687.0,889.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1634634,46.4537844]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ironwood, Michigan | 1891 | sanborn04054_002 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"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":"2026-09-22T15:18:16Z","modified":"2026-09-22T15:18:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,1927.0 1628.0,1331.0 1591.8,1331.0 1593.0,268.0 1628.0,268.1 1628.0,62.4 854.9,56.0 855.4,0.0 463.0,0.0 729.9,867.2 0.0,866.6 -0.0,1927.0 1628.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1593.0,797.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1711594,46.4529243]}},{"type":"Feature","properties":{"resourceCoords":[1593.0,268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1720941,46.4536622]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ironwood, Michigan | 1891 | sanborn04054_002 p3 [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":"2026-09-22T15:18:16Z","modified":"2026-09-22T15:18:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 -0.0,1927.0 1392.0,1927.0 1392.0,1012.5 723.4,1010.8 718.5,471.1 977.5,151.5 976.9,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1389.0,1530.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1717787,46.4553432]}},{"type":"Feature","properties":{"resourceCoords":[61.0,1530.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1745449,46.4537041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ironwood, Michigan | 1891 | sanborn04054_002 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:18:16Z","modified":"2026-09-22T15:18:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"410.1,1435.0 59.2,1020.0 53.8,410.9 -0.0,455.0 0.0,-0.0 1628.0,0.0 1628.0,1887.5 1580.3,1927.0 1265.0,1927.0 1520.4,1717.5 932.2,1009.0 410.1,1435.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.17528662991913,46.457957493629074]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.17086262657698,46.4580187097713]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.17075818405007,46.45438576612457]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.17518218739222,46.45432454998234]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ironwood, Michigan | 1891 | sanborn04054_002 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:18:16Z","modified":"2026-09-22T15:18:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"202.8,62.7 517.8,67.5 762.0,274.0 824.7,274.6 1057.0,0.0 1499.9,0.0 1492.9,281.6 1533.0,282.0 1523.6,1867.9 1095.7,1865.2 996.8,1927.0 200.9,1924.7 201.5,1329.5 165.3,1329.2 167.7,267.8 202.6,268.1 202.8,62.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.17290568058597,46.45382983361446]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.1696310045145,46.45583072932946]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.16621738894426,46.45314146917005]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.16949206501573,46.45114057345505]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ironwood, Michigan | 1891 | sanborn04054_002 p6 [1]","metadata":[{"label":"streets","value":"5"},{"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":"2026-09-22T15:18:16Z","modified":"2026-09-22T15:18:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"36.4,285.5 69.0,1854.0 537.1,1845.3 443.7,1769.4 1628.0,312.6 1628.0,0.0 0.0,-0.0 -0.0,286.2 36.4,285.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[721.0,792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1670176,46.4554081]}},{"type":"Feature","properties":{"resourceCoords":[69.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1665321,46.4530956]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ironwood, Michigan | 1891 | sanborn04054_002 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:18:16Z","modified":"2026-09-22T15:18:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"372.7,1829.8 245.5,1869.9 268.9,1927.0 133.8,1927.0 176.5,1891.7 -0.0,1927.0 0.0,0.0 1628.0,0.0 1628.0,1877.5 372.6,1868.8 372.7,1829.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.16595811916459,46.45726495063856]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.16157681570058,46.45730107182112]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.16151518912466,46.45370314865333]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.16589649258866,46.45366702747077]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ironwood, Michigan | 1891 | sanborn04054_002 p9","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-22T15:18:16Z","modified":"2026-09-22T15:18:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 632.0,0.0 1357.1,461.2 1360.6,472.3 1398.8,595.5 1157.8,719.0 1319.8,1253.6 1626.2,1160.3 1628.0,1927.0 0.0,1927.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114im:g040541891:04054_1891-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[977.0,218.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1665321,46.4530956]}},{"type":"Feature","properties":{"resourceCoords":[1626.0,1160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1634634,46.4537844]}}]}}]}