{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03633_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"New Windsor, Maryland | 1910 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"6"},{"label":"placed","value":"2"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 39.58195,-77.03406 +/-15669m); p3__2 (tier 1, 39.54482,-77.10381 +/-113m); p3__3 (tier 1, 39.54038,-77.11586 +/-117m)"},{"label":"withheld","value":"p1__2 (23.4 km from the catalogue location)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844nm:g3844nm_g036331910:03633_1910-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Windsor, Maryland | 1910 | sanborn03633_002 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"}],"created":"2026-09-23T04:00:48Z","modified":"2026-09-23T04:00:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844nm:g3844nm_g036331910:03633_1910-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844nm:g3844nm_g036331910:03633_1910-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1469.6,1296.2 1431.4,1327.7 1115.2,1337.5 1119.8,1522.0 979.2,1540.5 626.9,1425.9 790.0,1913.0 -0.0,1913.0 -0.0,0.0 1613.0,-0.0 1613.0,574.8 1453.0,598.0 1469.6,1296.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844nm:g3844nm_g036331910:03633_1910-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1108.0,610.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.1078001,39.5420009]}},{"type":"Feature","properties":{"resourceCoords":[460.0,610.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.1083333,39.5431039]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844nm:g3844nm_g036331910:03633_1910-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Windsor, Maryland | 1910 | sanborn03633_002 p3 [1]","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"1"},{"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":"5908.4"}],"created":"2026-09-23T04:00:48Z","modified":"2026-09-23T04:00:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844nm:g3844nm_g036331910:03633_1910-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844nm:g3844nm_g036331910:03633_1910-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"392.3,825.2 297.7,794.8 -0.0,574.3 0.0,1469.0 1086.0,1477.1 1087.7,939.8 1613.0,940.6 1613.0,-0.0 1390.6,0.0 1309.2,0.0 1232.3,-0.0 1205.4,80.3 1046.2,51.5 840.3,718.9 794.1,736.6 491.1,645.5 443.1,795.5 392.3,825.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844nm:g3844nm_g036331910:03633_1910-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.10894511727552,39.54295805589868]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.10655603242971,39.54067962913767]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1477.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.10926130657329,39.53899250274001]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1477.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.1116503914191,39.54127092950102]}},{"type":"Feature","properties":{"resourceCoords":[2080.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.106055,39.5398999]}}]}}]}