{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn06590_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Baltimore, Ohio | 1901 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"8"},{"label":"placed","value":"2"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 39.84610,-82.60216 +/-100m); p1__2 (tier 4, 39.84610,-82.60216 +/-100m); p2__1 (tier 4, 39.84610,-82.60216 +/-100m); p2__4 (tier 4, 39.84610,-82.60216 +/-100m); p2__5 (tier 4, 39.84610,-82.60216 +/-100m); p2__6 (tier 4, 39.84610,-82.60216 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084bm:g4084bm_g065901901:06590_1901-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Baltimore, Ohio | 1901 | sanborn06590_002 p2 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"2615.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1532.8"},{"label":"split_canvas_h","value":"1869.2"}],"created":"2026-09-21T20:55:49Z","modified":"2026-09-21T20:55:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084bm:g4084bm_g065901901:06590_1901-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084bm:g4084bm_g065901901:06590_1901-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"653.8,0.0 654.1,466.4 953.6,467.2 1037.0,467.3 1034.7,0.0 653.8,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084bm:g4084bm_g065901901:06590_1901-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[653.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.6033165535088,39.846187187560155]}},{"type":"Feature","properties":{"resourceCoords":[1037.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.60243259161248,39.84615386908745]}},{"type":"Feature","properties":{"resourceCoords":[1037.0,467.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.60248530952131,39.84532758047402]}},{"type":"Feature","properties":{"resourceCoords":[653.8,467.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.60336927141763,39.84536089894672]}},{"type":"Feature","properties":{"resourceCoords":[974.1,410.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.6026239,39.8454339]}},{"type":"Feature","properties":{"resourceCoords":[974.1,410.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.6026239,39.8454339]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084bm:g4084bm_g065901901:06590_1901-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Baltimore, Ohio | 1901 | sanborn06590_002 p2 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"3809.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2702.4"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-09-21T20:55:49Z","modified":"2026-09-21T20:55:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084bm:g4084bm_g065901901:06590_1901-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084bm:g4084bm_g065901901:06590_1901-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,0.0 1034.7,0.0 1037.0,467.3 953.6,467.2 952.4,779.7 1013.7,779.7 1016.1,1252.6 1058.1,1252.6 1066.4,1927.0 1628.0,1927.0 1628.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084bm:g4084bm_g065901901:06590_1901-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1332.2,1065.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.60134,39.84626]}},{"type":"Feature","properties":{"resourceCoords":[1332.2,1557.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.601408,39.84539]}}]}}]}