{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05997_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Horseheads, New-York | 1903 | 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":"11"},{"label":"placed","value":"5"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 3, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 42.16273,-76.82360 +/-1097m); p1__2 (tier 1, 42.16252,-76.82133 +/-172m); p1__3 (tier 4, 42.16273,-76.82360 +/-1097m); p1__5 (tier 4, 42.16273,-76.82360 +/-1097m); p4__1 (tier 1, 42.00858,-76.62565 +/-208m); p5__1 (tier 1, 42.16006,-76.81939 +/-230m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Horseheads, New-York | 1903 | sanborn05997_004 p1 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.33"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2137.2"},{"label":"split_canvas_y","value":"3934.0"},{"label":"split_canvas_w","value":"4314.8"},{"label":"split_canvas_h","value":"3718.0"}],"created":"2026-10-19T12:39:07Z","modified":"2026-10-19T12:39:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"547.3,1809.3 579.7,1887.1 1597.0,1906.5 1597.0,1892.0 1597.5,1892.0 1584.8,1102.6 1254.1,998.9 586.2,1018.4 547.3,1809.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1029.2,1446.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.833992,42.156466]}},{"type":"Feature","properties":{"resourceCoords":[1584.0,1446.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.832435,42.156466]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Horseheads, New-York | 1903 | sanborn05997_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:39:07Z","modified":"2026-10-19T12:39:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1495.1,361.1 1487.4,759.4 1468.3,1272.6 1456.2,1463.7 1612.0,1470.7 1612.0,1476.6 1553.5,1474.6 1538.2,1819.0 1239.5,1883.3 1011.2,1788.7 555.2,1747.4 516.5,1506.2 344.8,1407.0 290.6,1200.3 135.9,1193.5 63.5,1077.5 56.4,443.2 107.2,410.3 137.9,193.3 271.5,199.2 303.1,123.1 497.7,181.0 919.7,37.7 1400.2,79.7 1495.1,361.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1105.0,475.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.82041389995689,42.16699136672684]}},{"type":"Feature","properties":{"resourceCoords":[1460.0,339.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.82002192238149,42.16632307647599]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Horseheads, New-York | 1903 | sanborn05997_004 p3","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"23"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:39:07Z","modified":"2026-10-19T12:39:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"23.5,495.1 91.4,200.9 51.3,66.7 136.3,25.8 409.7,79.3 853.3,37.1 1146.4,175.3 1308.0,184.9 1387.0,80.7 1527.3,82.8 1539.7,99.8 1537.0,730.3 1527.9,1410.4 1522.0,1850.0 1612.0,1851.5 1601.0,1891.5 265.1,1883.4 263.9,1877.5 108.2,1874.9 114.8,1683.8 119.2,1170.8 115.6,772.8 12.8,494.5 23.5,495.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[978.0,722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8199083,42.1646008]}},{"type":"Feature","properties":{"resourceCoords":[1522.0,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.822806,42.163523]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Horseheads, New-York | 1903 | sanborn05997_004 p4 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"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":"3628.0"}],"created":"2026-10-19T12:39:07Z","modified":"2026-10-19T12:39:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"37.6,853.1 110.6,905.8 945.2,866.9 1558.3,905.3 1580.5,741.4 1503.6,398.8 1533.5,99.4 1469.6,42.0 1362.5,70.0 1362.6,55.6 1345.5,68.3 705.9,72.6 15.9,71.1 31.3,552.2 37.6,853.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[718.0,559.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.81987050688384,42.16260821207616]}},{"type":"Feature","properties":{"resourceCoords":[1336.0,64.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.81829921012073,42.163549947623686]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Horseheads, New-York | 1903 | sanborn05997_004 p5 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.68"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3950.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2501.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T12:39:07Z","modified":"2026-10-19T12:39:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1045.9,179.3 1066.1,1739.4 1124.9,1863.4 1395.0,1884.5 1518.8,1796.4 1545.0,875.6 1572.2,895.0 1563.4,586.7 1543.8,93.9 1087.4,96.4 1087.6,190.0 1045.9,179.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804hm:g3804hm_g059971903:05997_1903-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1088.6,590.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.822807,42.1626118]}},{"type":"Feature","properties":{"resourceCoords":[1520.1,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8217271,42.1635249]}}]}}]}