{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05571_002.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Newark, New-Jersey | 1892 | key map | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189202:05571_02_1892-0000a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newark, New-Jersey | 1892 | sanborn05571_002 p0a","metadata":[{"label":"streets","value":"128"},{"label":"intersections","value":"321"}],"created":"2026-09-21T23:52:54Z","modified":"2026-09-21T23:52:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189202:05571_02_1892-0000a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189202:05571_02_1892-0000a","type":"ImageService3","width":1648,"height":1979},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1648.0,1979.0 -0.0,1979.0 -0.0,1629.5 -0.0,1591.6 -0.0,1451.5 -0.0,1356.4 -0.0,1110.4 -0.0,1038.1 -0.0,1036.8 -0.0,937.5 -0.0,799.7 -0.0,653.4 -0.0,0.0 1648.0,0.0 1648.0,1979.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189202:05571_02_1892-0000a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1034.2,1300.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.148879,40.7292786]}},{"type":"Feature","properties":{"resourceCoords":[326.2,1399.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.198429,40.738498]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189202:05571_02_1892-0000b/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newark, New-Jersey | 1892 | sanborn05571_002 p0b","metadata":[{"label":"streets","value":"126"},{"label":"intersections","value":"390"}],"created":"2026-09-21T23:52:54Z","modified":"2026-09-21T23:52:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189202:05571_02_1892-0000b/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189202:05571_02_1892-0000b","type":"ImageService3","width":1657,"height":1979},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"22.9,420.1 16.7,339.0 0.0,340.0 0.0,304.7 13.8,303.6 0.0,133.7 0.0,21.1 159.2,10.3 158.5,0.0 491.7,0.0 689.1,25.4 781.1,19.1 936.3,3.8 951.6,0.0 1406.3,0.0 1405.8,7.1 1513.5,18.1 1517.0,0.0 1563.0,0.0 1585.2,8.3 1586.6,0.0 1657.0,1.9 1657.0,658.2 1606.8,717.5 1630.8,742.5 1609.3,749.3 1583.5,766.5 1599.2,792.2 1588.1,814.5 1586.9,898.4 1657.0,900.7 1657.0,935.9 1625.2,934.9 1621.5,971.3 1657.0,972.4 1657.0,1081.2 1651.9,1081.0 1651.7,1113.2 1657.0,1113.3 1657.0,1201.5 1652.1,1200.8 1651.4,1205.8 1654.6,1309.5 1554.5,1305.5 1551.3,1270.2 1467.8,1267.3 1467.1,1338.3 1384.3,1352.1 1222.8,1392.2 1152.7,1414.5 1141.1,1422.1 1111.0,1388.8 1077.5,1402.4 982.5,1450.2 924.4,1488.4 889.4,1501.2 841.5,1511.8 823.2,1520.2 801.6,1538.9 750.6,1609.1 734.7,1626.2 680.8,1660.3 643.5,1676.5 651.6,1697.3 650.2,1707.2 615.3,1734.8 609.1,1734.7 584.1,1706.6 575.2,1716.5 537.3,1697.5 501.6,1701.8 501.8,1801.2 497.2,1814.8 486.1,1831.2 510.0,1844.0 481.2,1921.8 473.2,1926.5 444.1,1922.8 445.5,1904.1 440.6,1916.2 436.2,1904.3 442.6,1979.0 358.7,1979.0 332.0,1970.6 328.4,1979.0 236.1,1979.0 231.6,1975.8 179.2,1967.6 179.1,1979.0 -0.0,1979.0 -0.0,1821.4 -0.0,991.8 18.7,991.0 22.1,986.0 20.1,963.8 0.0,962.8 0.0,785.5 26.9,784.6 27.0,767.8 9.2,768.9 8.0,752.0 -0.0,752.5 0.0,700.1 6.6,699.6 0.0,689.6 0.0,588.5 35.6,585.9 30.2,515.5 0.0,517.5 0.0,437.0 22.9,420.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814nm:g3814nm_g05571189202:05571_02_1892-0000b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[956.1,1324.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.1706053,40.7475961]}},{"type":"Feature","properties":{"resourceCoords":[968.6,431.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.193245,40.7542348]}}]}}]}