{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08513_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"El Campo, Texas | 1907 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"7"},{"label":"placed","value":"1"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 29.19515,-96.26772 +/-100m); p1__2 (tier 1, 29.19673,-96.26913 +/-240m); p1__3 (tier 4, 29.19515,-96.26772 +/-100m); p1__4 (tier 4, 29.19515,-96.26772 +/-100m); p2__2 (tier 4, 29.19515,-96.26772 +/-100m); p2__3 (tier 4, 29.19515,-96.26772 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g085131907:08513_1907-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Campo, Texas | 1907 | sanborn08513_001 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.69"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4580.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T13:59:02Z","modified":"2026-10-18T13:59:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g085131907:08513_1907-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g085131907:08513_1907-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"578.8,1832.1 1064.6,1811.0 1137.2,768.0 1100.7,705.5 975.6,695.0 873.3,695.0 873.3,695.0 844.7,684.0 814.5,336.4 737.3,217.4 771.6,169.8 587.6,73.4 621.0,52.2 184.7,54.6 59.5,190.8 138.4,1777.3 238.1,1840.1 370.4,1844.9 477.4,1759.1 578.8,1832.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g085131907:08513_1907-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[828.0,731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.267021,29.195016]}},{"type":"Feature","properties":{"resourceCoords":[828.0,1822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.2688835,29.1938446]}}]}}]}