{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05321_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Concord, New-Hampshire | 1879 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"10"},{"label":"placed","value":"6"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef-snap 4, georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 43.32160,-71.40963 +/-124m); p1__2 (tier 1, 43.13519,-71.44920 +/-235m); p5__1 (tier 4, 43.20626,-71.53654 +/-1032m); p5__3 (tier 1, 43.28440,-71.82008 +/-130m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Concord, New-Hampshire | 1879 | sanborn05321_002 p1 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2436.8"},{"label":"split_canvas_w","value":"5338.4"},{"label":"split_canvas_h","value":"5215.2"}],"created":"2026-10-18T22:07:37Z","modified":"2026-10-18T22:07:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1222.8,1860.5 1266.0,1506.0 1178.7,936.4 1136.0,875.0 1101.2,873.6 1013.5,874.5 1013.5,874.5 1013.2,874.5 1012.5,870.1 989.7,869.2 929.6,644.9 738.4,658.6 666.9,784.1 666.1,829.0 628.4,851.8 575.4,945.0 573.3,951.1 571.9,951.1 569.1,955.9 100.6,956.9 78.0,1616.8 127.8,1829.7 293.6,1880.2 1222.8,1860.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[161.9,1197.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.53345939317032,43.19731653412005]}},{"type":"Feature","properties":{"resourceCoords":[947.7,664.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.53202620434021,43.19884676412834]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Concord, New-Hampshire | 1879 | sanborn05321_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.60"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:07:37Z","modified":"2026-10-18T22:07:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"15.7,157.2 10.6,1909.8 129.1,1906.1 57.6,1891.0 46.4,1808.3 54.6,895.4 91.7,875.8 102.3,895.5 106.5,1849.7 790.7,1871.1 1127.2,1813.2 1460.8,1870.9 1559.5,1804.2 1529.3,950.0 1591.1,298.8 1589.8,278.7 1315.6,1.0 1314.3,1.0 1295.0,57.7 1254.1,216.4 964.6,155.3 741.6,102.9 618.9,87.2 553.0,85.8 137.6,137.8 15.7,157.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[611.0,854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.53526980557248,43.202841140334186]}},{"type":"Feature","properties":{"resourceCoords":[163.0,1455.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.53572049396135,43.20146692752214]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Concord, New-Hampshire | 1879 | sanborn05321_002 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:07:37Z","modified":"2026-10-18T22:07:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"188.7,27.4 174.6,58.6 186.6,78.1 2.0,12.8 1.0,109.3 1.0,263.6 24.9,1793.3 145.7,1771.8 557.7,1712.3 623.3,1712.5 745.6,1725.8 968.2,1773.8 1257.2,1829.2 1294.8,1670.7 1309.5,1609.2 1592.1,1884.9 1577.9,1698.6 1504.7,1576.5 1481.2,1144.2 1548.0,848.7 1477.8,474.2 1552.1,209.9 1560.4,153.5 1550.6,89.9 1532.1,108.7 1036.2,123.5 1039.8,115.3 1056.6,16.4 892.0,11.9 876.5,1.0 189.0,1.0 188.7,27.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[189.0,564.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.53820777187725,43.205879881253814]}},{"type":"Feature","properties":{"resourceCoords":[189.0,1774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.53701929353352,43.20375605689359]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Concord, New-Hampshire | 1879 | sanborn05321_002 p4 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.04"},{"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":"2026-10-18T22:07:37Z","modified":"2026-10-18T22:07:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1232.5,1204.5 1235.5,1204.0 1247.7,1201.9 1612.0,822.1 1612.0,815.8 1612.0,793.3 1538.4,738.3 1555.7,226.8 1498.7,149.3 1360.0,138.9 1341.7,196.8 1050.0,39.0 831.7,19.1 158.9,59.5 84.4,636.5 101.5,1806.4 177.2,1867.8 317.0,1870.8 338.6,1912.0 360.3,1912.0 504.8,1844.7 514.9,1822.7 521.2,1808.8 502.1,1787.5 481.3,1765.9 589.6,1659.5 762.1,1283.0 892.1,1261.3 1038.7,1236.8 1170.5,1114.2 1230.7,1204.8 1231.8,1204.5 1232.0,1204.5 1232.5,1204.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[50.0,1318.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5393071,43.2078722]}},{"type":"Feature","properties":{"resourceCoords":[317.0,-52.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.537483,43.209895]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Concord, New-Hampshire | 1879 | sanborn05321_002 p4 [2]","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":"1894.0"},{"label":"split_canvas_y","value":"4563.6"},{"label":"split_canvas_w","value":"4558.0"},{"label":"split_canvas_h","value":"3088.4"}],"created":"2026-10-18T22:07:37Z","modified":"2026-10-18T22:07:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"615.9,1658.9 597.7,1898.6 1523.9,1894.0 1528.5,1912.0 1531.2,1897.0 1533.4,1833.3 1538.5,1723.0 1563.7,1486.3 1569.3,1382.8 1544.1,1177.9 1470.9,1165.3 756.1,1300.0 615.9,1658.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1535.0,1393.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.53957332675616,43.21266186755862]}},{"type":"Feature","properties":{"resourceCoords":[731.4,1270.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.54158282718888,43.21204224148648]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Concord, New-Hampshire | 1879 | sanborn05321_002 p5 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.01"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"516.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5935.2"},{"label":"split_canvas_h","value":"4218.0"}],"created":"2026-10-18T22:07:37Z","modified":"2026-10-18T22:07:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"604.8,332.4 638.8,401.9 671.0,468.9 816.8,628.0 964.9,997.5 1503.7,872.0 1502.0,108.4 1240.1,98.3 1119.3,176.3 912.6,163.6 705.8,53.0 508.9,77.5 479.2,35.3 517.9,118.4 604.8,332.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744cm:g3744cm_g053211879:05321_1879-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[541.1,178.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5392957,43.2124082]}},{"type":"Feature","properties":{"resourceCoords":[486.1,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5394864,43.2126835]}}]}}]}