{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08550_001.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Gorman, Texas | 1921 | key map | 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"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085501921:08550_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":"Gorman, Texas | 1921 | sanborn08550_001 p1 [1]","metadata":[{"label":"streets","value":"26"},{"label":"intersections","value":"68"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6878.4"},{"label":"split_canvas_h","value":"8074.1"}],"created":"2026-09-23T05:54:01Z","modified":"2026-09-23T05:54:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085501921:08550_1921-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085501921:08550_1921-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1002.8,1913 1002.8,1450.5 1613,1450.4 1613,0.0 0.0,0.0 0.0,1237.0 996.2,1228.6 1000.0,1894.0 1000.0,1913 1002.8,1913\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034gm:g4034gm_g085501921:08550_1921-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[647.3,626.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.6699463,32.2142742]}},{"type":"Feature","properties":{"resourceCoords":[492.1,1019.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.6730667,32.2075835]}}]}}]}