{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01907_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Griggsville, Illinois | 1913 | 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":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 39.70711,-90.72726 +/-746m); p1__4 (tier 4, 39.70711,-90.72726 +/-746m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Griggsville, Illinois | 1913 | sanborn01907_004 p1 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.34"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4498.0"},{"label":"split_canvas_y","value":"1920.0"},{"label":"split_canvas_w","value":"1954.0"},{"label":"split_canvas_h","value":"5732.0"}],"created":"2026-10-19T18:27:19Z","modified":"2026-10-19T18:27:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1543.0,1861.3 1575.0,1862.0 1573.5,1552.0 1575.0,1195.0 1591.2,533.2 1575.1,533.2 1569.0,569.4 1499.9,519.2 1213.5,514.3 1163.4,982.2 1190.7,1822.2 1539.7,1849.3 1543.0,1861.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1575.0,1195.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.7288611,39.7084459]}},{"type":"Feature","properties":{"resourceCoords":[1575.0,1862.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.728832,39.7071599]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Griggsville, Illinois | 1913 | sanborn01907_004 p1 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.12"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2133.6"},{"label":"split_canvas_w","value":"4498.0"},{"label":"split_canvas_h","value":"5518.4"}],"created":"2026-10-19T18:27:19Z","modified":"2026-10-19T18:27:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1122.7,1283.5 1076.7,589.7 343.6,542.9 45.8,586.2 27.4,1107.7 45.0,1332.4 97.7,1352.7 62.7,1557.0 147.9,1623.9 762.5,1630.0 763.4,1633.1 763.8,1633.1 763.7,1634.3 800.8,1762.4 892.8,1816.1 1071.8,1758.4 1122.7,1283.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[812.4,766.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.7313012,39.7024059]}},{"type":"Feature","properties":{"resourceCoords":[372.2,766.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.7324692,39.7023971]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Griggsville, Illinois | 1913 | sanborn01907_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:27:19Z","modified":"2026-10-19T18:27:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1875.5 1612.0,1889.6 1049.5,1890.8 538.5,1888.2 60.8,1883.5 61.3,1783.2 65.4,1776.2 59.0,51.6 358.1,11.3 386.9,11.1 1504.3,65.5 1579.6,810.0 1560.4,1869.0 1612.0,1870.8 1612.0,1875.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1556.0,630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.72403633015061,39.7121223633948]}},{"type":"Feature","properties":{"resourceCoords":[76.0,1869.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.7276491642474,39.70977371349484]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Griggsville, Illinois | 1913 | sanborn01907_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:27:19Z","modified":"2026-10-19T18:27:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.7,1847.2 77.0,1813.5 106.1,1695.8 46.8,1484.8 79.8,1485.2 75.3,1167.0 73.6,800.3 84.1,120.6 67.5,120.8 76.7,64.7 536.6,54.2 561.6,11.2 560.7,111.8 1040.4,118.4 1553.3,123.0 1556.8,1172.8 1553.0,1483.8 1552.8,1801.1 1553.2,1817.1 1042.3,1820.5 1042.1,1833.3 556.2,1807.5 555.9,1792.8 303.7,1853.2 302.1,1872.8 76.7,1847.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1050.0,1174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.72647033220923,39.707759594778295]}},{"type":"Feature","properties":{"resourceCoords":[1050.0,806.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.72647786113646,39.708450582994324]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Griggsville, Illinois | 1913 | sanborn01907_004 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:27:19Z","modified":"2026-10-19T18:27:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"592.5,33.7 592.5,15.1 1454.1,43.5 1538.9,93.1 1588.0,340.9 1578.1,1854.9 700.8,1874.5 698.3,1912.0 543.4,1912.0 544.5,1794.5 46.8,1695.1 46.6,1689.2 44.8,1376.7 46.5,1070.3 36.3,36.5 592.5,33.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1016.0,34.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.7228353,39.7097492]}},{"type":"Feature","properties":{"resourceCoords":[1016.0,709.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.7228322,39.7084622]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Griggsville, Illinois | 1913 | sanborn01907_004 p5","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:27:19Z","modified":"2026-10-19T18:27:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.2,1665.1 65.6,1664.3 76.3,1184.4 63.8,1184.5 44.9,680.8 35.1,681.4 122.6,180.4 240.3,178.7 237.6,23.6 312.5,26.6 349.2,82.5 411.9,31.4 930.8,90.8 1070.9,16.7 1575.0,48.0 1612.0,1075.3 1612.0,1087.5 1573.3,1877.3 141.1,1873.8 137.8,1912.0 118.4,1912.0 51.2,1665.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g019071913:01907_1913-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[980.0,1154.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.7264509,39.7048009]}},{"type":"Feature","properties":{"resourceCoords":[343.0,664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.7252039,39.7059921]}}]}}]}