{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03576_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Berlin, Maryland | 1942 | 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":"8"},{"label":"placed","value":"3"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1 (tier 4, 38.32565,-75.21806 +/-428m); p3__2 (tier 4, 38.32565,-75.21806 +/-428m); p3__3 (tier 4, 38.32565,-75.21806 +/-428m); p3__4 (tier 4, 38.32565,-75.21806 +/-428m); p4__2 (tier 4, 38.32565,-75.21806 +/-428m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035761942:03576_1942-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Berlin, Maryland | 1942 | sanborn03576_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T03:34:15Z","modified":"2026-09-23T03:34:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035761942:03576_1942-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035761942:03576_1942-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,375.4 178.6,375.4 169.2,35.6 202.4,0.0 1243.5,0.0 1239.8,98.2 1613.0,80.6 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035761942:03576_1942-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.22063632614186,38.326877089722714]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2171169673176,38.32567338526219]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.21892392604536,38.32237579728781]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.22244328486963,38.323579501748334]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035761942:03576_1942-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Berlin, Maryland | 1942 | sanborn03576_006 p3 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"},{"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":"2026-09-23T03:34:15Z","modified":"2026-09-23T03:34:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035761942:03576_1942-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035761942:03576_1942-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1340.3,1768.2 1335.1,1817.9 1345.6,1818.2 1411.2,1275.0 1613.0,1299.4 1613.0,0.0 1233.6,0.0 1183.3,289.9 1174.4,497.7 1256.4,498.1 1230.9,861.9 1213.1,1115.4 949.8,1119.3 945.8,861.3 740.6,860.8 736.2,495.9 676.8,495.7 563.9,0.0 0.0,0.0 -0.0,1913.0 789.4,1913.0 796.1,1746.7 816.2,1727.8 1340.3,1768.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035761942:03576_1942-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[463.0,349.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2195992,38.3319576]}},{"type":"Feature","properties":{"resourceCoords":[763.0,1635.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2202755,38.3271177]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035761942:03576_1942-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Berlin, Maryland | 1942 | sanborn03576_006 p4 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"4"},{"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":"2026-09-23T03:34:15Z","modified":"2026-09-23T03:34:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035761942:03576_1942-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035761942:03576_1942-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1420.9 -0.0,1913.0 1613.0,1913.0 1613.0,1695.6 1035.1,1639.6 1033.4,615.3 923.9,491.3 1019.7,404.1 1033.1,403.9 1613.0,397.4 1613.0,0.0 -0.0,0.0 -0.0,524.9 170.8,508.7 217.4,1402.4 -0.0,1420.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844bm:g3844bm_g035761942:03576_1942-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[341.0,1465.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2185159,38.3219484]}},{"type":"Feature","properties":{"resourceCoords":[392.0,839.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.216936,38.3240197]}}]}}]}