{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04185_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Saint Louis, Michigan | 1899 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"10"},{"label":"placed","value":"7"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef-snap 5, georef 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p2__1 (tier 1, 43.41052,-84.61327 +/-100m); p6__2 (tier 1, 43.40774,-84.61673 +/-217m); p8 (tier 1, 43.41078,-84.61350 +/-264m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Saint Louis, Michigan | 1899 | sanborn04185_004 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.76"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4054.0"},{"label":"split_canvas_w","value":"3436.8"},{"label":"split_canvas_h","value":"3654.0"}],"created":"2026-10-19T10:16:17Z","modified":"2026-10-19T10:16:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"856.3,1919.9 845.8,1112.8 795.5,1035.1 3.3,1017.2 14.2,1909.3 856.3,1919.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1013.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.61276266767015,43.4172407926142]}},{"type":"Feature","properties":{"resourceCoords":[859.2,1013.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.61052664238059,43.41723388835087]}},{"type":"Feature","properties":{"resourceCoords":[859.2,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.6105366852061,43.415493507866024]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.61277271049566,43.415500412129354]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Saint Louis, Michigan | 1899 | sanborn04185_004 p2 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"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":"2026-10-19T10:16:17Z","modified":"2026-10-19T10:16:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1595.4,1855.7 1599.3,1693.7 1601.8,1052.5 1606.1,307.7 1608.0,260.7 1575.5,68.5 1377.0,44.1 1000.1,73.8 891.4,221.3 628.0,259.8 422.5,235.4 84.6,38.4 37.1,357.3 91.3,528.5 33.3,1067.4 71.0,1387.5 665.0,1404.0 665.0,1511.3 681.4,1872.7 1540.3,1893.0 1595.4,1855.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[990.0,291.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.61379963228009,43.41184267601275]}},{"type":"Feature","properties":{"resourceCoords":[990.0,1705.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.61374279347939,43.409156711736884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Saint Louis, Michigan | 1899 | sanborn04185_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T10:16:17Z","modified":"2026-10-19T10:16:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"881.6,1887.5 146.6,1889.3 100.2,1887.8 121.9,823.0 53.4,598.3 56.8,121.9 155.1,101.6 155.2,73.5 1241.8,11.2 1237.2,3.8 1514.2,1.5 1516.0,923.8 1511.2,1190.5 1514.3,1884.8 881.6,1887.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[832.0,1185.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.61030836265297,43.41051918347858]}},{"type":"Feature","properties":{"resourceCoords":[832.0,22.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.60722617488894,43.41053518499203]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Saint Louis, Michigan | 1899 | sanborn04185_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T10:16:17Z","modified":"2026-10-19T10:16:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"104.3,1899.8 101.0,1201.1 105.7,932.7 103.7,4.7 644.7,5.0 1027.7,7.4 1502.8,12.2 1510.1,12.2 1526.5,981.7 1517.0,976.9 1530.7,1203.7 1521.1,1203.6 1570.6,1458.2 1600.8,1852.8 1627.0,1851.2 1627.0,1853.9 1615.0,1886.6 1608.0,1887.0 1608.0,1906.0 1499.3,1905.5 1494.8,1880.3 298.4,1885.7 265.2,1902.3 104.3,1899.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[808.0,36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.60722873858185,43.4078741617646]}},{"type":"Feature","properties":{"resourceCoords":[808.0,1869.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.61205617223588,43.407850087113914]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Saint Louis, Michigan | 1899 | sanborn04185_004 p5","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.30"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T10:16:17Z","modified":"2026-10-19T10:16:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"125.7,1750.4 105.9,1277.4 88.3,896.2 60.7,357.9 43.9,80.7 125.3,25.4 694.7,20.7 857.1,34.5 931.4,122.5 1230.6,52.7 1534.9,95.2 1565.7,1865.9 1172.4,1876.7 958.4,1809.0 227.9,1827.9 231.5,1926.0 223.5,1926.0 217.8,1926.0 126.3,1761.8 125.7,1750.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[667.0,328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.6055543,43.4092268]}},{"type":"Feature","properties":{"resourceCoords":[96.0,1054.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.6071488,43.4078836]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Saint Louis, Michigan | 1899 | sanborn04185_004 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4063.2"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"3644.8"}],"created":"2026-10-19T10:16:17Z","modified":"2026-10-19T10:16:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"204.5,1926.0 205.2,1926.0 394.5,1827.5 835.2,1922.5 1369.5,1888.6 1560.1,1755.4 1540.3,1276.4 1486.9,1255.7 1489.5,1149.1 1377.2,1145.8 863.2,1148.3 588.6,1057.8 124.2,1072.8 87.1,1161.8 126.5,1495.0 65.3,1707.9 102.5,1868.0 204.5,1926.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[881.0,1803.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.61372350145696,43.40521980284037]}},{"type":"Feature","properties":{"resourceCoords":[1476.0,1803.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.6121283703777,43.405251303470614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Saint Louis, Michigan | 1899 | sanborn04185_004 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T10:16:17Z","modified":"2026-10-19T10:16:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"271.6,144.6 271.6,154.1 498.1,137.8 493.4,147.3 1462.1,119.5 1462.1,123.7 1560.8,319.0 1555.2,1800.5 1027.1,1894.8 110.9,1850.0 54.2,1779.8 22.9,1159.9 70.3,765.1 46.4,194.5 271.6,144.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114sm:g041851899:04185_1899-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[862.0,1374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.608751,43.404135]}},{"type":"Feature","properties":{"resourceCoords":[544.0,1374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.609589,43.404138]}}]}}]}