{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03635_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Oakland, Maryland | 1921 | 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":"14"},{"label":"placed","value":"9"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 9"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 39.41033,-79.40460 +/-133m); p1__3 (tier 1, 39.41560,-79.41464 +/-109m); p3__2 (tier 1, 39.40505,-79.40306 +/-141m); p8__1 (tier 1, 39.41266,-79.40887 +/-100m); p8__2 (tier 1, 39.41026,-79.40746 +/-261m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, Maryland | 1921 | sanborn03635_005 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4254.8"},{"label":"split_canvas_h","value":"5374.0"}],"created":"2026-09-22T17:10:58Z","modified":"2026-09-22T17:10:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 -0.0,5374.0 1588.4,5362.0 1591.6,5121.9 4254.4,5125.8 4252.4,4128.0 2277.6,4127.2 2244.4,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3918.9,5121.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4042924,39.4127912]}},{"type":"Feature","properties":{"resourceCoords":[1591.6,5121.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4055623,39.4132025]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, Maryland | 1921 | sanborn03635_005 p1 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5344.8"},{"label":"split_canvas_w","value":"3886.8"},{"label":"split_canvas_h","value":"2307.2"}],"created":"2026-09-22T17:10:58Z","modified":"2026-09-22T17:10:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0001__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 3886.8,7652.0 3879.6,5344.8 0.0,5374.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,5344.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.40163197848817,39.40574114171062]}},{"type":"Feature","properties":{"resourceCoords":[3886.8,5344.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.39957757802296,39.404975683698616]}},{"type":"Feature","properties":{"resourceCoords":[3886.8,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.40016658773848,39.40403487111852]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.4022209882037,39.40480032913052]}},{"type":"Feature","properties":{"resourceCoords":[2443.2,6520.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4006407,39.4047806]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, Maryland | 1921 | sanborn03635_005 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"}],"created":"2026-09-22T17:10:58Z","modified":"2026-09-22T17:10:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"324.6,4057.5 -0.0,4059.8 -0.0,-0.0 1334.1,0.0 1345.0,832.7 2956.0,811.6 2956.0,556.0 5657.4,524.5 5650.5,0.0 6452.0,0.0 6452.0,7048.4 312.6,7010.1 324.6,4057.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2956.0,6388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4069204,39.410796]}},{"type":"Feature","properties":{"resourceCoords":[2956.0,556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4055623,39.4132025]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, Maryland | 1921 | sanborn03635_005 p3 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"12"},{"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":"2026-09-22T17:10:58Z","modified":"2026-09-22T17:10:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0003__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5306.7,6220.8 5868.4,6467.9 5942.0,5236.5 5941.6,5141.3 5937.6,2224.1 5617.0,2228.2 5604.9,0.0 5416.6,0.0 3898.8,0.0 3936.4,3691.6 0.0,3714.0 -0.0,7652.0 1984.0,7652.0 3144.0,7652.0 5331.4,7652.0 5306.7,6220.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3316.0,4532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4097519,39.4117514]}},{"type":"Feature","properties":{"resourceCoords":[3316.0,2228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4092021,39.4127114]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, Maryland | 1921 | sanborn03635_005 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-22T17:10:58Z","modified":"2026-09-22T17:10:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,974.8 558.2,1232.0 653.2,0.0 6452.0,0.0 6452.0,7334.7 839.2,7306.0 200.6,7147.0 197.6,7652.0 -0.0,7652.0 -0.0,974.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3264.0,3276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4078333,39.4091405]}},{"type":"Feature","properties":{"resourceCoords":[5600.0,3276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4065643,39.408728]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, Maryland | 1921 | sanborn03635_005 p5","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-22T17:10:58Z","modified":"2026-09-22T17:10:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1738.8,7331.6 1728.8,0.0 6452.0,0.0 6452.0,1917.7 5506.3,1927.5 5536.0,7356.0 1738.8,7331.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[880.0,3268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4065643,39.408728]}},{"type":"Feature","properties":{"resourceCoords":[5536.0,7356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4049776,39.4061947]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, Maryland | 1921 | sanborn03635_005 p6","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-22T17:10:58Z","modified":"2026-09-22T17:10:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"389.3,0.0 6452.0,0.0 6452.0,4243.8 6034.6,4218.7 5895.4,6529.6 6452.0,6563.1 6452.0,7652.0 -0.0,7652.0 -0.0,6496.3 357.7,6499.8 389.3,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5080.0,3416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4019701,39.4062399]}},{"type":"Feature","properties":{"resourceCoords":[2720.0,1392.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4027972,39.4074895]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, Maryland | 1921 | sanborn03635_005 p7 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3658.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3993.6"}],"created":"2026-09-22T17:10:58Z","modified":"2026-09-22T17:10:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0007__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5592.0,4038.2 833.5,4011.9 873.3,5100.9 1788.9,5099.7 1781.0,7216.7 -0.0,7210.1 -0.0,7652.0 6452.0,7652.0 6452.0,6258.6 5247.8,6272.1 5234.5,5095.3 5598.9,5094.8 5592.0,4038.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3252.0,4038.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4062144,39.4065993]}},{"type":"Feature","properties":{"resourceCoords":[5592.0,4038.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4049776,39.4061947]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oakland, Maryland | 1921 | sanborn03635_005 p7 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"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":"3690.0"}],"created":"2026-09-22T17:10:58Z","modified":"2026-09-22T17:10:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0007__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"650.4,525.5 -0.0,367.8 -0.0,3690.0 6452.0,3658.4 6452.0,1593.1 5545.2,1597.6 5501.7,519.0 650.4,525.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844om:g3844om_g036351921:03635_1921-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3152.0,2586.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4092109,39.4065917]}},{"type":"Feature","properties":{"resourceCoords":[864.0,2586.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.4104299,39.4069946]}}]}}]}