{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05381_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Rochester, New-Hampshire | 1887 | 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":"15"},{"label":"placed","value":"5"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef-snap 4, georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 43.30978,-70.98433 +/-251m); p4__2 (tier 4, 43.30432,-70.97595 +/-540m); p4__3 (tier 1, 43.29906,-70.97458 +/-111m); p5__1 (tier 1, 43.13244,-70.92682 +/-167m); p5__2 (tier 4, 43.30432,-70.97595 +/-540m); p6__2 (tier 4, 43.30432,-70.97595 +/-540m); p6__3 (tier 4, 43.30432,-70.97595 +/-540m); p7__1 (tier 1, 43.33319,-70.94025 +/-266m); p7__2 (tier 1, 43.13380,-70.93440 +/-131m); p7__3 (tier 4, 43.30432,-70.97595 +/-540m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rochester, New-Hampshire | 1887 | sanborn05381_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.71"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:36:21Z","modified":"2026-10-19T23:36:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"471.0,1873.3 497.0,1819.5 915.4,1853.2 1022.0,1904.5 1054.8,1898.0 1085.0,1888.5 1105.6,1875.3 1111.8,1869.0 1125.2,1855.7 1212.1,1758.0 1264.9,1728.9 1396.2,1752.5 1419.9,1541.7 1395.3,1353.4 1486.9,699.3 1612.0,700.5 1612.0,665.6 1593.0,661.4 1572.8,81.1 1484.5,30.4 1238.9,44.5 1213.9,1.0 1130.2,1.0 1068.6,39.8 575.0,161.5 585.9,110.7 614.1,81.8 575.2,28.1 373.7,6.2 373.0,6.3 76.6,52.3 42.6,317.1 93.5,744.4 58.8,1567.6 138.0,1632.0 159.2,1772.0 444.9,1827.8 471.0,1873.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[477.0,693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.97941089711199,43.303484969517505]}},{"type":"Feature","properties":{"resourceCoords":[617.0,23.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9807035775326,43.30432204982076]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rochester, New-Hampshire | 1887 | sanborn05381_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:36:21Z","modified":"2026-10-19T23:36:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.1,1354.5 43.9,1348.3 60.6,1338.7 77.8,1321.3 92.7,1297.9 156.5,1183.7 201.8,1143.8 335.3,1138.3 312.7,927.2 247.9,748.5 195.8,89.3 318.3,63.5 311.8,29.4 1288.7,33.8 1546.7,186.0 1593.5,411.6 1545.4,1001.7 1585.9,1362.1 1516.8,1733.0 1182.8,1878.7 942.8,1881.1 945.8,1864.5 639.3,1838.7 306.2,1806.1 247.6,1797.8 273.4,1670.7 69.2,1383.8 2.4,1368.0 33.1,1354.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1007.0,322.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9763115642215,43.30590409289366]}},{"type":"Feature","properties":{"resourceCoords":[446.0,1064.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9758813635149,43.30422353755736]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rochester, New-Hampshire | 1887 | sanborn05381_001 p4 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"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":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:36:21Z","modified":"2026-10-19T23:36:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"30.7,241.9 55.4,1170.0 295.1,887.8 559.7,827.2 725.8,1508.1 117.5,1649.5 37.9,1725.1 53.2,1865.8 825.3,1892.3 1505.4,1781.6 1591.8,1506.0 1576.9,305.8 1612.0,297.1 1612.0,279.2 1294.1,326.4 947.4,372.9 885.8,378.4 881.6,243.0 606.2,1.0 407.1,1.0 1.0,158.0 1.0,221.6 30.7,241.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[891.0,621.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9745081,43.3026989]}},{"type":"Feature","properties":{"resourceCoords":[189.0,621.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9759077,43.3020015]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0005__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rochester, New-Hampshire | 1887 | sanborn05381_001 p5 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"1717.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5934.4"}],"created":"2026-10-19T23:36:21Z","modified":"2026-10-19T23:36:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0005__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1205.0,1912.0 1205.3,1912.0 1333.6,1749.7 1401.2,1745.3 1410.8,1785.3 1448.8,1822.4 1612.0,1329.6 1612.0,1181.0 1589.0,1180.1 1564.0,497.1 1361.7,496.4 1325.4,652.4 565.8,1086.4 556.7,1086.5 554.2,1088.0 478.2,1088.0 55.6,1095.8 53.0,1905.1 1207.3,1906.7 1205.0,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0005__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1362.0,1711.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.98067849555596,43.30432237716294]}},{"type":"Feature","properties":{"resourceCoords":[1391.0,1088.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.98066888995687,43.30544555647212]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rochester, New-Hampshire | 1887 | sanborn05381_001 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"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":"2026-10-19T23:36:21Z","modified":"2026-10-19T23:36:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"839.6,1890.4 1132.5,1811.1 1377.6,1882.5 1562.8,1837.3 1553.2,1510.6 1479.6,1413.8 1577.4,1253.6 1570.2,829.5 705.3,809.0 779.5,27.3 135.0,20.6 47.4,106.2 84.9,1022.5 41.0,1304.0 58.9,1490.8 129.1,1533.0 80.7,1569.8 138.5,1583.1 65.9,1638.2 140.9,1724.4 72.9,1785.7 138.4,1821.7 106.7,1855.3 839.6,1890.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744rm:g3744rm_g053811887:05381_1887-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1348.0,1266.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.96891869460997,43.30459254995408]}},{"type":"Feature","properties":{"resourceCoords":[373.0,930.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.97031675577516,43.30611431458233]}}]}}]}