{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03580_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Brooklyn, Maryland | 1950 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"12"},{"label":"placed","value":"9"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 7, georef-snap 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1 (tier 3, 39.22516,-76.62288 +/-1018m); p10__1 (tier 2, 39.22020,-76.60884 +/-100m); p10__2 (tier 1, 39.21336,-76.62289 +/-210m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, Maryland | 1950 | sanborn03580_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T04:59:21Z","modified":"2026-09-22T04:59:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"979.4,1913.0 -0.0,1913.0 -0.0,0.0 1613.0,0.0 1613.0,326.2 1478.3,53.8 1008.5,962.4 1057.8,1056.5 920.5,1129.1 844.0,1315.7 1123.4,1835.5 979.4,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.61745091702073,39.23742860801229]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.61103040905881,39.23425908239206]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.61584937526601,39.228319293908875]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.62226988322793,39.231488819529105]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, Maryland | 1950 | sanborn03580_003 p3","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"23"}],"created":"2026-09-22T04:59:21Z","modified":"2026-09-22T04:59:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"230.6,1836.1 54.5,1269.4 164.9,1100.4 313.3,1055.5 282.6,953.1 915.4,148.8 996.2,443.6 1057.8,122.0 1613.0,0.0 1613.0,439.9 1026.3,588.7 1055.0,734.5 1484.0,734.0 1487.2,1027.0 1082.5,1025.0 1106.2,1408.0 1163.2,1616.8 1136.2,1627.6 1115.6,1561.2 230.6,1836.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1484.0,734.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.6102061,39.2316099]}},{"type":"Feature","properties":{"resourceCoords":[1083.0,1025.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.612469,39.2311522]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, Maryland | 1950 | sanborn03580_003 p4 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2699.6"},{"label":"split_canvas_w","value":"2300.0"},{"label":"split_canvas_h","value":"4952.4"}],"created":"2026-09-22T04:59:21Z","modified":"2026-09-22T04:59:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1913.0 575.0,1913.0 574.7,1838.0 563.7,1839.2 571.4,1044.4 569.9,674.9 548.0,675.0 547.0,738.9 0.0,735.4 0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[227.0,1683.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.6156003,39.2197135]}},{"type":"Feature","properties":{"resourceCoords":[547.0,738.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.6137915,39.2231476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, Maryland | 1950 | sanborn03580_003 p4 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"19"},{"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":"2026-09-22T04:59:21Z","modified":"2026-09-22T04:59:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 0.0,677.7 569.9,674.9 575.0,1913.0 971.5,1913.0 970.4,1796.8 1521.5,1795.3 1523.1,1555.6 1550.5,1566.3 1552.8,1079.8 1552.0,631.7 1522.9,630.6 1520.0,128.7 440.6,128.0 204.8,0.0 45.7,0.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[907.0,843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.6163936,39.2268117]}},{"type":"Feature","properties":{"resourceCoords":[907.0,1797.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.6167118,39.2233001]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, Maryland | 1950 | sanborn03580_003 p5","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"23"}],"created":"2026-09-22T04:59:21Z","modified":"2026-09-22T04:59:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"204.3,1895.5 179.8,1450.0 150.8,1450.3 124.9,1019.8 153.3,1016.0 149.5,802.5 219.8,430.7 606.1,530.8 674.1,249.9 263.9,146.3 271.9,0.0 1613.0,0.0 1613.0,720.2 1271.0,963.6 1302.0,1008.9 1035.0,1198.4 1292.0,1559.4 836.4,1883.8 204.3,1895.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[624.0,724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.6107235,39.2298881]}},{"type":"Feature","properties":{"resourceCoords":[149.0,803.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.6130213,39.229817]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, Maryland | 1950 | sanborn03580_003 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T04:59:21Z","modified":"2026-09-22T04:59:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"874.4,171.7 1162.0,40.9 1466.5,682.4 1597.0,996.9 1231.6,1162.4 1271.3,1271.7 1266.1,1352.3 1496.5,1403.7 1443.8,1631.1 1443.8,1900.8 150.6,1913.0 153.1,1896.1 17.6,1895.9 166.7,718.0 139.2,714.8 162.6,539.1 188.9,553.3 252.7,65.4 874.4,171.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.61460106916331,39.22596098994472]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.60706893119142,39.22628336132005]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.60657886768345,39.21931415086279]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.61411100565535,39.21899177948746]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, Maryland | 1950 | sanborn03580_003 p7","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"25"}],"created":"2026-09-22T04:59:21Z","modified":"2026-09-22T04:59:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"216.1,502.7 485.0,55.0 815.8,55.3 816.9,0.0 1613.0,0.0 1613.0,1696.3 1571.2,1471.0 1141.7,1550.8 1139.5,1899.2 695.0,1862.5 200.5,1526.2 216.1,502.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[485.0,684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.6076363,39.2259279]}},{"type":"Feature","properties":{"resourceCoords":[485.0,55.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.6090515,39.2279579]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, Maryland | 1950 | sanborn03580_003 p8","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"18"}],"created":"2026-09-22T04:59:21Z","modified":"2026-09-22T04:59:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"615.8,0.0 704.6,0.0 677.5,143.8 680.9,224.8 1045.8,290.8 1051.2,331.2 1110.8,341.9 1176.5,0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0 -0.0,1244.7 63.8,1273.3 107.9,1038.7 131.0,294.9 206.3,0.0 453.9,0.0 594.0,138.8 615.8,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[115.0,811.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.604453,39.2195115]}},{"type":"Feature","properties":{"resourceCoords":[1101.0,1229.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5995743,39.2205905]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brooklyn, Maryland | 1950 | sanborn03580_003 p9","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"18"}],"created":"2026-09-22T04:59:21Z","modified":"2026-09-22T04:59:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"388.6,794.8 446.3,570.8 220.9,514.1 228.2,434.4 191.9,325.2 555.7,170.2 545.4,143.3 821.9,202.2 617.8,341.3 721.4,626.5 1120.1,1252.4 1215.5,1470.4 1146.9,1482.7 1440.2,1913.0 -0.0,1913.0 -0.0,1056.0 381.7,1062.0 388.6,794.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035801950:03580_1950-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[609.0,1513.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.6061231,39.2177369]}},{"type":"Feature","properties":{"resourceCoords":[827.0,1879.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.6049508,39.2164583]}}]}}]}