{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02012_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Milford, Illinois | 1912 | 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":"8"},{"label":"placed","value":"6"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 4, georef-snap 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p3__2 (tier 1, 40.63005,-87.69282 +/-100m); p4__2 (tier 1, 40.62765,-87.69172 +/-135m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Illinois | 1912 | sanborn02012_004 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1771.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5880.4"}],"created":"2026-10-19T20:28:08Z","modified":"2026-10-19T20:28:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"426.2,1912.0 1187.3,1912.0 1592.5,1908.7 1513.4,1304.5 1587.2,1002.6 1539.6,517.2 757.6,523.1 757.6,523.0 757.6,523.0 758.2,488.1 710.1,487.4 710.6,469.1 134.8,450.7 133.9,598.7 130.8,799.3 129.4,1459.0 127.2,1748.4 126.7,1781.1 426.2,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[700.0,1649.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.69778686468302,40.627225074239476]}},{"type":"Feature","properties":{"resourceCoords":[144.0,1566.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.69762492177395,40.62828940917258]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Illinois | 1912 | sanborn02012_004 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T20:28:08Z","modified":"2026-10-19T20:28:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"148.2,1775.9 148.1,1740.5 148.0,1739.9 113.5,585.3 70.1,582.3 54.6,329.6 107.5,269.4 116.4,121.9 434.1,112.8 792.0,21.4 1497.8,120.2 1498.3,305.6 1467.3,305.3 1485.4,679.0 1506.5,679.8 1479.2,1819.6 1320.4,1814.3 1121.0,1806.0 465.2,1787.0 177.6,1777.2 148.2,1775.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[513.0,640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.69741,40.630525]}},{"type":"Feature","properties":{"resourceCoords":[344.0,1785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.697663,40.628314]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Illinois | 1912 | sanborn02012_004 p3 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.88"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T20:28:08Z","modified":"2026-10-19T20:28:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1487.4,1604.5 1504.0,1165.0 1526.7,350.5 963.9,338.6 964.6,309.3 963.2,304.6 956.5,304.6 956.5,304.6 956.5,283.0 868.8,1.0 849.2,1.0 848.8,21.1 107.1,106.8 42.0,434.1 39.3,1819.0 1.0,1819.4 1.0,1849.7 365.3,1829.0 366.0,1808.3 1481.0,1825.8 1481.8,1798.2 1487.4,1604.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[390.0,700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.692036,40.630628]}},{"type":"Feature","properties":{"resourceCoords":[1504.0,1165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.693087,40.6284]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Illinois | 1912 | sanborn02012_004 p4 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T20:28:08Z","modified":"2026-10-19T20:28:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"704.4,1891.5 704.1,1912.0 1467.4,1912.0 1462.2,1862.2 1532.8,1808.8 1584.5,1429.8 1536.9,889.0 1425.0,678.5 1458.0,223.0 1298.0,260.2 1281.0,377.3 884.3,342.1 884.1,357.4 662.0,360.0 104.6,364.4 102.0,1183.0 96.2,1624.8 95.3,1819.5 95.3,1858.8 657.8,1873.2 657.4,1891.1 704.4,1891.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[662.0,360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.690933,40.627351]}},{"type":"Feature","properties":{"resourceCoords":[102.0,1183.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.693087,40.6284]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Illinois | 1912 | sanborn02012_004 p5","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.45"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T20:28:08Z","modified":"2026-10-19T20:28:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"37.6,228.5 106.1,670.6 107.3,799.1 58.7,949.5 104.2,1227.5 41.4,1385.2 106.4,1463.1 116.7,1798.6 987.7,1790.4 1174.2,1881.4 1516.8,1871.1 1572.9,1756.3 1570.5,1506.4 1480.4,1036.0 1479.7,200.7 1612.0,193.9 1510.8,192.9 1203.1,73.7 1203.0,70.6 1167.1,73.2 1.0,189.3 1.0,233.4 37.6,228.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[224.0,1260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.7010963,40.6301797]}},{"type":"Feature","properties":{"resourceCoords":[1214.0,458.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.699123,40.628295]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Illinois | 1912 | sanborn02012_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T20:28:08Z","modified":"2026-10-19T20:28:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.0,996.0 94.8,930.9 45.0,842.5 118.9,785.1 119.8,229.8 258.6,231.9 399.8,73.2 568.6,24.6 1240.5,49.2 1319.7,123.5 1465.8,125.6 1500.7,235.8 1554.5,550.7 1512.8,893.5 1558.3,1771.0 1612.0,1775.1 1612.0,1791.4 1378.3,1796.9 789.4,1808.7 191.8,1818.0 191.5,1786.9 77.4,1462.5 57.0,1463.2 50.0,996.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g020121912:02012_1912-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[786.0,1146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.68937092863816,40.62846247004053]}},{"type":"Feature","properties":{"resourceCoords":[786.0,1821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.69101294834945,40.62844394911191]}}]}}]}