{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05515_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Keyport, New-Jersey | 1891 | 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":"6"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef-snap 4, georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 40.43913,-74.19919 +/-188m); p1__2 (tier 1, 40.39685,-73.98300 +/-143m); p1__3 (tier 4, 40.43696,-74.20027 +/-793m); p1__4 (tier 4, 40.43696,-74.20027 +/-793m); p3__2 (tier 4, 40.43696,-74.20027 +/-793m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Keyport, New-Jersey | 1891 | sanborn05515_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:16:55Z","modified":"2026-10-19T11:16:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1578.2,1656.4 1521.4,1787.2 1205.5,1798.0 1097.1,1863.8 124.3,1840.8 121.3,1439.7 112.4,622.6 111.1,593.5 85.2,593.8 75.0,151.8 190.2,184.8 189.1,111.6 264.4,29.6 451.9,16.3 1310.5,19.2 1577.3,119.4 1544.8,580.1 1532.4,576.6 1474.0,1006.8 1463.3,1003.7 1574.8,1330.6 1586.3,1333.6 1578.2,1656.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1262.0,962.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.1981722877279,40.43798284780503]}},{"type":"Feature","properties":{"resourceCoords":[118.0,585.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.20116738676532,40.43788960857079]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Keyport, New-Jersey | 1891 | sanborn05515_002 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"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":"2026-10-19T11:16:55Z","modified":"2026-10-19T11:16:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.4,1838.0 528.5,1807.8 528.5,1813.3 1138.2,1790.3 1138.2,1780.8 1519.6,1792.8 1523.0,1467.7 1527.1,648.6 1526.2,619.4 1500.2,619.2 1497.0,176.1 1612.0,210.9 1612.0,137.6 1479.9,158.4 1222.0,33.9 1032.4,28.3 930.0,87.0 905.6,119.7 819.5,374.2 814.3,374.9 814.3,377.6 797.4,377.3 575.7,408.7 290.5,373.1 288.7,368.6 287.8,368.6 287.8,366.3 199.0,137.6 134.0,127.4 51.5,317.4 90.3,862.1 56.4,1838.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[67.0,1305.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.20392334067353,40.43565461354963]}},{"type":"Feature","properties":{"resourceCoords":[1147.0,619.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.20205236288803,40.4376081371508]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Keyport, New-Jersey | 1891 | sanborn05515_002 p4 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.48"},{"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":"2026-10-19T11:16:55Z","modified":"2026-10-19T11:16:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.5,746.9 105.8,1198.1 93.0,1197.8 145.8,1626.2 134.7,1626.0 324.7,1912.0 336.5,1912.0 325.9,1867.0 1093.1,1881.3 1517.3,1839.2 1571.8,1723.8 1612.0,1723.4 1612.0,1646.8 1550.5,1646.1 1571.6,1216.4 1601.3,1216.5 1527.3,1043.0 1529.7,936.3 1386.1,893.4 814.7,913.4 731.8,819.5 716.6,618.7 797.6,313.8 726.2,107.2 327.6,38.0 89.3,70.7 48.5,749.8 20.5,746.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1219.0,1203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.19507418099013,40.43905438383604]}},{"type":"Feature","properties":{"resourceCoords":[1590.0,1203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.19415027834134,40.43912616770732]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Keyport, New-Jersey | 1891 | sanborn05515_002 p4 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.93"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3252.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3200.0"},{"label":"split_canvas_h","value":"3584.4"}],"created":"2026-10-19T11:16:55Z","modified":"2026-10-19T11:16:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"818.1,81.8 818.0,102.1 817.9,107.3 817.8,134.8 817.4,189.5 894.8,363.3 864.9,363.6 850.6,797.4 912.6,797.1 914.9,874.3 1583.5,857.4 1539.0,624.2 1591.0,435.1 1576.3,104.2 1255.0,12.1 853.4,20.7 818.1,81.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1474.2,365.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.1926836,40.439193]}},{"type":"Feature","properties":{"resourceCoords":[1474.2,807.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.19259,40.438361]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Keyport, New-Jersey | 1891 | sanborn05515_002 p5 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.70"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5427.2"},{"label":"split_canvas_w","value":"3250.0"},{"label":"split_canvas_h","value":"2224.8"}],"created":"2026-10-19T11:16:55Z","modified":"2026-10-19T11:16:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"15.4,1388.6 13.8,1909.8 772.8,1911.8 789.2,1588.2 564.8,1540.1 559.0,1540.2 559.0,1539.9 558.6,1539.9 558.6,1538.8 552.7,1537.5 515.0,1379.0 15.4,1388.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1356.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.2101529992451,40.435567041175624]}},{"type":"Feature","properties":{"resourceCoords":[812.5,1356.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.20814113316142,40.43533996237871]}},{"type":"Feature","properties":{"resourceCoords":[812.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.2083450751667,40.4342884890335]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.21035694125038,40.43451556783041]}},{"type":"Feature","properties":{"resourceCoords":[265.8,1651.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.209604,40.434936]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Keyport, New-Jersey | 1891 | sanborn05515_002 p5 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"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":"2026-10-19T11:16:55Z","modified":"2026-10-19T11:16:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.0,235.3 51.2,984.5 78.7,1119.0 136.6,1109.6 133.4,1263.8 558.5,1352.5 603.9,1501.5 797.7,1536.9 807.3,1536.8 807.5,1538.7 956.9,1804.2 1146.1,1859.3 1480.7,1774.5 1535.8,1647.5 1489.4,1335.0 1555.0,256.2 1554.3,162.9 1165.5,157.6 1165.6,167.3 544.7,201.7 544.6,196.1 64.0,235.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814km:g3814km_g055151891:05515_1891-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1171.0,1010.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.20027747136261,40.43408253928258]}},{"type":"Feature","properties":{"resourceCoords":[566.0,412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.20216738869466,40.43472885047093]}}]}}]}