{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04125_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"New Baltimore, Michigan | 1921 | 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":"12"},{"label":"placed","value":"4"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 42.68021,-82.73661 +/-254m); p1__2 (tier 4, 42.68021,-82.73661 +/-254m); p1__3 (tier 4, 42.68021,-82.73661 +/-254m); p1__4 (tier 4, 42.68021,-82.73661 +/-254m); p1__5 (tier 4, 42.68021,-82.73661 +/-254m); p2__2 (tier 4, 42.68021,-82.73661 +/-254m); p3__2 (tier 2, 42.67942,-82.73682 +/-100m); p3__3 (tier 2, 42.67942,-82.73682 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0001__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Baltimore, Michigan | 1921 | sanborn04125_001 p1 [6]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.54"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4914.0"},{"label":"split_canvas_w","value":"4016.0"},{"label":"split_canvas_h","value":"2794.0"}],"created":"2026-10-20T02:19:08Z","modified":"2026-10-20T02:19:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0001__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"108.1,1926.0 254.0,1926.0 618.5,1882.7 619.0,1829.1 1003.0,1826.7 1003.0,1816.0 1003.0,1784.4 999.5,1782.8 973.8,1259.4 367.8,1309.8 43.7,1260.5 22.9,1791.0 1.0,1800.2 1.0,1803.3 77.1,1926.0 108.1,1926.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0001__6/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1228.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.7357550789386,42.6834657797714]}},{"type":"Feature","properties":{"resourceCoords":[1004.0,1228.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.7340537122996,42.68211002074547]}},{"type":"Feature","properties":{"resourceCoords":[1004.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.73533630310831,42.68123829631051]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.73703766974731,42.682594055336445]}},{"type":"Feature","properties":{"resourceCoords":[619.0,1829.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.7358089,42.6818804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0001__7/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Baltimore, Michigan | 1921 | sanborn04125_001 p1 [7]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.49"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4016.0"},{"label":"split_canvas_y","value":"5370.8"},{"label":"split_canvas_w","value":"2496.0"},{"label":"split_canvas_h","value":"2337.2"}],"created":"2026-10-20T02:19:08Z","modified":"2026-10-20T02:19:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0001__7/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1047.9,1571.6 1103.5,1634.7 1031.6,1830.8 1197.3,1884.8 1287.9,1835.0 1449.0,1894.2 1411.5,1926.0 1607.0,1924.0 1607.0,1923.5 1522.8,1894.7 1587.4,1822.0 1556.5,1637.0 1576.2,1614.8 1572.0,1445.6 1045.2,1450.1 1047.9,1571.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0001__7/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1572.0,1445.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.7370222,42.6782896]}},{"type":"Feature","properties":{"resourceCoords":[1054.0,1840.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.73871,42.6785335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Baltimore, Michigan | 1921 | sanborn04125_001 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.93"},{"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":"2026-10-20T02:19:08Z","modified":"2026-10-20T02:19:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"447.9,195.7 370.7,70.2 148.2,163.8 74.7,275.9 32.6,787.1 76.0,1227.2 294.4,1233.5 437.5,1233.5 437.5,1237.6 456.0,1238.1 460.1,1601.9 437.5,1655.0 405.6,1671.6 88.0,1658.2 44.8,1748.3 80.8,1871.7 1521.3,1882.0 1540.3,1904.6 1540.0,1776.0 1545.9,1226.9 1548.5,666.6 1544.8,129.1 1374.2,54.5 1374.2,96.8 990.0,99.0 989.5,152.7 624.9,195.8 447.9,195.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[990.0,99.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.7358089,42.6818804]}},{"type":"Feature","properties":{"resourceCoords":[1540.0,1776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.737954,42.6790491]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Baltimore, Michigan | 1921 | sanborn04125_001 p3 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.93"},{"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":"2026-10-20T02:19:08Z","modified":"2026-10-20T02:19:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"659.0,1900.5 731.9,1820.4 984.9,1891.7 1218.2,1875.4 1162.3,1794.8 1266.1,1789.9 1356.0,1822.1 1306.1,1866.0 1508.7,1861.7 1490.0,1795.0 1584.8,1712.5 1575.3,631.2 1541.7,580.8 1279.2,581.5 1277.5,581.5 1273.1,581.5 1273.1,581.5 1239.8,574.3 1177.5,468.1 1180.6,202.7 1231.5,179.5 1182.1,124.6 1142.0,157.7 823.9,27.2 92.2,72.2 100.1,609.6 101.8,1169.9 100.0,1719.0 657.0,1721.3 659.0,1900.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114nm:g041251921:04125_1921-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[650.0,607.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.7349748,42.679676]}},{"type":"Feature","properties":{"resourceCoords":[100.0,1719.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.737954,42.6790491]}}]}}]}