{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03604_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Frostburg, Maryland | 1890 | 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":"9"},{"label":"placed","value":"5"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 39.63188,-78.74892 +/-200m); p4__1 (tier 1, 39.65031,-78.92708 +/-244m); p4__2 (tier 4, 39.65477,-78.92849 +/-433m); p5__1 (tier 4, 39.65477,-78.92849 +/-433m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frostburg, Maryland | 1890 | sanborn03604_002 p1 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4257.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3394.8"}],"created":"2026-09-22T00:17:58Z","modified":"2026-09-22T00:17:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,4262.0 6309.4,4261.9 6311.0,4502.3 1732.9,4501.1 1726.3,5317.7 355.2,5314.5 356.0,6260.5 -0.0,6258.9 -0.0,7652.0 6452.0,7652.0 6452.0,4262.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[356.0,6260.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9313493,39.6560521]}},{"type":"Feature","properties":{"resourceCoords":[3848.0,4509.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9291298,39.6553706]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frostburg, Maryland | 1890 | sanborn03604_002 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-22T00:17:58Z","modified":"2026-09-22T00:17:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5887.4,7652.0 -0.0,7652.0 -0.0,0.0 6175.5,-0.0 6249.0,7364.7 5884.8,7366.4 5887.4,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3152.0,7372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9325693,39.6571244]}},{"type":"Feature","properties":{"resourceCoords":[6204.0,2700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9292644,39.6574802]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frostburg, Maryland | 1890 | sanborn03604_002 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T00:17:58Z","modified":"2026-09-22T00:17:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1749.8,6602.9 1737.5,7442.5 329.4,7439.4 364.1,1011.9 -0.0,1008.7 -0.0,0.0 6452.0,-0.0 6452.0,6603.7 1749.8,6602.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.92775481733669,39.65874286564598]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.92520288375789,39.65652918946275]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.92858910515251,39.654182642151156]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.93114103873131,39.65639631833439]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frostburg, Maryland | 1890 | sanborn03604_002 p5 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2786.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3666.0"},{"label":"split_canvas_h","value":"3230.8"}],"created":"2026-09-22T00:17:58Z","modified":"2026-09-22T00:17:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0005__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,530.8 5605.3,546.9 5587.7,0.0 2786.0,-0.0 2792.0,1513.2 2799.6,3225.2 6452.0,3230.8 6452.0,530.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[2786.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.92881636847557,39.65087078720377]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.92755092434071,39.65228689573558]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,3230.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.92593090653669,39.65142807251281]}},{"type":"Feature","properties":{"resourceCoords":[2786.0,3230.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.92719635067155,39.650011963981]}},{"type":"Feature","properties":{"resourceCoords":[2909.9,1599.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9279716,39.6504935]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0005__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frostburg, Maryland | 1890 | sanborn03604_002 p5 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1510.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"6141.6"}],"created":"2026-09-22T00:17:58Z","modified":"2026-09-22T00:17:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0005__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"787.9,3643.8 707.2,6153.2 0.0,6130.5 0.0,7652.0 1820.0,7652.0 2956.0,7652.0 6452.0,7652.0 6452.0,3230.8 2799.6,3225.2 2792.0,1513.2 0.0,1510.4 0.0,3633.5 787.9,3643.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036041890:03604_1890-0005__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2008.0,6552.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9252515,39.6518706]}},{"type":"Feature","properties":{"resourceCoords":[1188.0,4621.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9266049,39.6520493]}}]}}]}