{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08437_003.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bowie, Texas | 1896 | 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:g4034bm:g4034bm_g084371896:08437_1896-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bowie, Texas | 1896 | sanborn08437_003 p1 [2]","metadata":[{"label":"streets","value":"25"},{"label":"intersections","value":"75"},{"label":"split_canvas_x","value":"3495.3"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3383.1"},{"label":"split_canvas_h","value":"6360.5"}],"created":"2026-09-23T04:23:12Z","modified":"2026-09-23T04:23:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084371896:08437_1896-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084371896:08437_1896-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,-0.0 877.1,0.0 873.8,1588.1 873.8,1590.1 1613,1590.1 1613,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g4034bm_g084371896:08437_1896-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1178.5,371.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.8498108,33.5595116]}},{"type":"Feature","properties":{"resourceCoords":[1297.3,268.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.8463432,33.5603585]}}]}}]}