{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04191_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Sault Sainte Marie, Michigan | 1895 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"36"},{"label":"placed","value":"16"},{"label":"unplaced","value":"20"},{"label":"fit sources","value":"georef-snap 10, georef 4, snap:2 1, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 25 panels"},{"label":"unplaced pages","value":"p13__1 (tier 1, 46.49688,-84.36200 +/-168m); p13__2 (tier 1, 46.49661,-84.36345 +/-100m); p13__3 (tier 1, 46.50082,-84.36557 +/-100m); p13__4 (tier 1, 46.48740,-84.35366 +/-100m); p14__1 (tier 1, 46.49173,-84.37333 +/-100m); p14__2 (tier 1, 46.49231,-84.35668 +/-240m); p14__3 (tier 1, 46.49815,-84.37416 +/-116m); p14__4 (tier 1, 46.49161,-84.37271 +/-147m); p15__1 (tier 1, 46.49510,-84.33847 +/-273m); p16__1 (tier 1, 46.49658,-84.36331 +/-241m); p16__2 (tier 1, 46.49732,-84.35845 +/-100m); p17 (tier 1, 46.49575,-84.34388 +/-278m); p18 (tier 4, 46.49785,-84.34653 +/-1305m); p19__1 (tier 4, 46.49785,-84.34653 +/-1305m); p19__2 (tier 4, 46.49785,-84.34653 +/-1305m); p19__3 (tier 4, 46.49785,-84.34653 +/-1305m); p19__4 (tier 4, 46.49785,-84.34653 +/-1305m); p19__5 (tier 4, 46.49785,-84.34653 +/-1305m); p3__2 (tier 1, 46.49974,-84.35314 +/-107m); p8__2 (tier 1, 46.49013,-84.35358 +/-116m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0010","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.0,1853.5 55.7,1797.4 104.8,58.2 1527.9,31.9 1581.3,117.1 1526.8,243.5 1626.7,1026.5 1593.0,1848.2 1203.3,1909.4 688.5,1842.3 118.0,1853.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1185.0,773.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.34857319670245,46.49277006933703]}},{"type":"Feature","properties":{"resourceCoords":[731.0,1144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.35014533912448,46.49255492401775]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p11","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.75"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0011","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"664.6,63.5 1537.9,90.3 1539.0,977.0 1598.2,975.1 1563.5,1030.2 1582.2,1626.1 1533.5,1893.7 486.9,1906.8 200.2,1883.0 137.6,1803.9 108.8,1873.1 44.2,37.5 664.6,63.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1539.0,547.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3464418,46.4973163]}},{"type":"Feature","properties":{"resourceCoords":[1539.0,977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3453695,46.4969524]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0012","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.1,1819.8 695.0,1825.0 1592.7,1822.2 1579.3,1578.2 1572.1,1104.2 1571.8,792.9 1566.6,691.8 1538.5,597.8 1232.5,1.0 1091.3,1.0 1064.2,6.2 1063.2,7.0 773.5,67.5 738.3,1.0 686.3,1.0 702.6,33.5 201.3,63.8 78.0,170.9 55.9,1801.1 57.1,1819.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[806.0,-205.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.35342319464883,46.49819231010819]}},{"type":"Feature","properties":{"resourceCoords":[1572.0,1803.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3476543217614,46.4976838425724]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0013__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p13 [5]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.39"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5240.0"},{"label":"split_canvas_w","value":"3318.0"},{"label":"split_canvas_h","value":"2468.0"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0013__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0013","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"745.6,1926.0 776.5,1920.2 799.0,1406.9 324.8,1344.0 279.3,1429.6 197.2,1360.0 25.8,1336.4 1.0,1517.0 1.0,1849.2 379.2,1798.3 400.1,1926.0 745.6,1926.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0013__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1310.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.3437855162953,46.5000998522804]}},{"type":"Feature","properties":{"resourceCoords":[829.5,1310.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.34284562211016,46.49966717514023]}},{"type":"Feature","properties":{"resourceCoords":[829.5,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.34330960689854,46.49918283182063]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.34424950108368,46.4996155089608]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0015__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p15 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3146.4"},{"label":"split_canvas_y","value":"2965.2"},{"label":"split_canvas_w","value":"3365.6"},{"label":"split_canvas_h","value":"4742.8"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0015__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0015","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1487.1,772.3 1487.2,741.3 991.3,741.3 994.2,747.0 834.9,797.6 826.3,1246.3 923.0,1478.7 818.5,1743.1 984.2,1891.0 1474.2,1886.1 1476.7,1926.0 1477.0,1926.0 1483.6,1926.0 1484.2,1715.8 1487.1,1229.2 1487.1,772.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0015__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1487.1,1229.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3390346,46.4958231]}},{"type":"Feature","properties":{"resourceCoords":[1487.1,772.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3384573,46.4965862]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0016__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p16 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.49"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4472.4"},{"label":"split_canvas_y","value":"4001.6"},{"label":"split_canvas_w","value":"2039.6"},{"label":"split_canvas_h","value":"1578.0"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0016__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0016","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1603.4,1381.4 1591.7,1086.4 1493.2,1015.3 1167.5,1019.6 1131.0,1152.8 1185.7,1377.9 1603.4,1381.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0016__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1118.1,1000.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.36419568329283,46.49917098620597]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1000.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.36278426526619,46.49917918756448]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1394.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.36277510250112,46.49842136288416]}},{"type":"Feature","properties":{"resourceCoords":[1118.1,1394.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.36418652052777,46.49841316152565]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0016__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p16 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.46"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4455.2"},{"label":"split_canvas_y","value":"5567.2"},{"label":"split_canvas_w","value":"2056.8"},{"label":"split_canvas_h","value":"2140.8"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0016__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0016","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1454.1,1476.8 1450.7,1533.8 1317.7,1426.3 1149.0,1486.6 1137.8,1847.3 1188.5,1869.4 1118.3,1920.1 1494.2,1926.0 1502.9,1926.0 1608.2,1802.7 1597.2,1460.9 1454.1,1476.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0016__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1113.8,1391.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.33069014960286,46.49479328095753]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1391.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.32942226512904,46.494356006418144]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.33007872440986,46.493441174721795]}},{"type":"Feature","properties":{"resourceCoords":[1113.8,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.33134660888368,46.49387844926119]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1554.9,1052.8 1526.4,922.6 1523.8,922.5 1576.2,544.7 1627.0,255.2 1627.0,72.8 1599.3,76.7 1570.8,80.7 1572.5,1.0 1533.3,1.0 1518.8,78.1 848.8,95.7 317.8,15.9 65.2,55.5 82.5,1871.2 1458.9,1833.5 1556.9,1877.8 1516.5,1508.5 1566.0,1103.3 1555.1,1053.8 1554.9,1052.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1567.0,580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.35545950397884,46.50099311469049]}},{"type":"Feature","properties":{"resourceCoords":[88.0,1839.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.35966753753226,46.49885646645917]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"5616.0"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"131.2,1279.8 176.7,1403.0 180.2,1403.0 193.6,1403.0 193.5,1400.0 989.0,1349.1 1022.8,1378.0 1020.0,1287.8 1018.1,1229.8 1295.7,1214.7 1324.4,981.5 1408.5,367.8 1414.7,308.4 1627.0,330.1 1627.0,293.0 1563.8,289.3 1508.7,132.4 814.2,37.3 87.5,205.6 72.2,352.1 50.5,373.4 59.8,452.4 87.1,444.6 113.5,437.0 138.4,615.0 128.3,904.3 128.7,1280.2 131.2,1279.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1016.0,1246.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3532479022214,46.500082994377266]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,313.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.35166171816674,46.50164593395334]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0003__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p3 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.46"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3325.2"},{"label":"split_canvas_y","value":"5512.0"},{"label":"split_canvas_w","value":"3186.8"},{"label":"split_canvas_h","value":"2196.0"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0003__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1233.0,1378.0 1226.3,1400.9 872.2,1440.7 847.1,1695.1 892.5,1920.5 1391.8,1926.0 1451.8,1926.0 1466.4,1898.0 1474.9,1881.7 1549.7,1881.2 1627.0,1606.5 1627.0,1453.5 1289.1,1450.0 1296.5,1378.0 1233.0,1378.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[831.3,1378.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35478281631369,46.498877847405]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1378.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35258078469901,46.4988587684545]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35259978671097,46.49780969356909]}},{"type":"Feature","properties":{"resourceCoords":[831.3,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35480181832564,46.49782877251959]}},{"type":"Feature","properties":{"resourceCoords":[1289.1,1450.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3535199,46.4987293]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.71"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.1,1371.1 52.1,1357.8 29.3,1270.5 14.5,1214.3 281.6,1137.3 257.3,903.7 201.6,286.6 194.2,227.4 440.2,196.7 616.8,160.6 866.9,102.3 1309.6,10.9 1487.9,16.1 1530.3,299.2 1566.4,299.1 1516.8,799.9 1527.0,797.1 1537.1,1131.3 1554.2,1130.0 1518.2,1474.5 1411.2,1468.5 1310.9,1468.0 1216.4,1490.5 608.0,1759.8 600.3,1893.7 605.2,1926.0 604.8,1926.0 542.1,1788.5 228.9,1925.3 205.7,1855.6 147.1,1881.9 76.1,1371.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[254.0,1147.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.35256200240593,46.50003721764691]}},{"type":"Feature","properties":{"resourceCoords":[194.0,1921.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3536013462022,46.49876432223508]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.3,754.5 83.8,291.4 93.3,93.1 433.6,125.8 432.1,108.8 761.9,96.1 759.1,86.1 1253.8,130.8 1253.3,95.2 1532.4,51.0 1530.6,135.7 1528.2,391.1 1540.4,938.1 1533.2,1512.8 1531.6,1646.3 1627.0,1645.2 1627.0,1668.8 1531.5,1655.4 1529.1,1843.6 1464.7,1845.0 1452.8,1926.0 1437.1,1926.0 1434.8,1867.2 140.3,1846.9 117.0,1882.7 57.6,1883.8 69.8,993.4 68.3,754.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[100.0,988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.34755947324126,46.49775735986413]}},{"type":"Feature","properties":{"resourceCoords":[1520.0,988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.34587388415048,46.500202171253115]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p6","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"175.0,1207.0 168.6,651.4 174.0,392.0 182.4,127.3 182.5,120.4 643.9,176.8 925.1,134.2 1237.8,314.5 1313.6,461.6 1380.2,1000.9 1490.6,1171.6 1483.9,1792.1 1296.1,1728.3 799.0,1783.4 771.5,1740.7 545.5,1765.8 290.9,1883.2 306.5,1926.0 158.8,1926.0 158.1,1926.0 161.3,1790.5 175.0,1207.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[605.0,672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3468078,46.5014313]}},{"type":"Feature","properties":{"resourceCoords":[175.0,1207.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3459743,46.5002781]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.37"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"989.1,1863.4 324.3,1885.8 73.7,1794.1 137.9,1378.2 95.6,1359.2 150.0,1274.3 136.8,547.8 64.5,454.4 142.6,129.3 436.8,19.5 1462.0,32.7 1559.9,96.7 1575.5,152.0 1574.3,205.3 1590.5,204.8 1584.4,213.9 1574.1,214.4 1557.8,948.1 1579.0,1023.5 1579.8,1464.3 1575.4,1926.0 1021.1,1926.0 989.1,1863.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[643.0,1492.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3399970558254,46.49831633902921]}},{"type":"Feature","properties":{"resourceCoords":[1549.0,1492.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.33781796790197,46.49754884793576]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p8 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1729.8 1.0,1832.5 47.9,1843.4 1561.0,1863.8 1571.9,1845.4 1581.2,1258.3 1431.1,844.8 1127.2,869.4 886.8,806.9 780.5,97.2 119.2,34.6 110.5,1.0 109.6,1.0 104.0,9.0 93.6,9.2 58.8,746.4 78.1,822.8 67.9,1266.0 51.9,1731.0 1.0,1729.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[86.0,1273.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.33767413386899,46.49754239544563]}},{"type":"Feature","properties":{"resourceCoords":[86.0,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.33834541951123,46.49658063058763]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sault Sainte Marie, Michigan | 1895 | sanborn04191_003 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T00:58:52Z","modified":"2026-10-20T00:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.6,1263.7 62.0,1049.3 76.2,552.7 86.6,86.5 87.1,64.5 1604.0,70.0 1561.8,142.8 1627.0,1231.3 1627.0,1238.2 1574.4,1872.7 73.5,1870.3 53.8,1372.9 56.6,1264.4 56.6,1263.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041911895:04191_1895-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1597.0,1051.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.33596830028009,46.49375840055937]}},{"type":"Feature","properties":{"resourceCoords":[104.0,558.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.33897385740441,46.495791617479384]}}]}}]}