{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03404_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Springhill, Louisiana | 1938 | 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"},{"label":"pages","value":"4"},{"label":"placed","value":"2"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p2__1 (tier 1, 33.00627,-93.45549 +/-440m); p3 (tier 4, 33.00320,-93.46483 +/-408m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034041938:03404_1938-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Springhill, Louisiana | 1938 | sanborn03404_001 p1","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-23T01:52:20Z","modified":"2026-09-23T01:52:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034041938:03404_1938-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034041938:03404_1938-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,-0.0 1613.0,1913.0 -0.0,1913.0 -0.0,0.0 1613.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034041938:03404_1938-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[999.0,723.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.4672867,33.0047039]}},{"type":"Feature","properties":{"resourceCoords":[1285.0,723.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.4672707,33.0036438]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034041938:03404_1938-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Springhill, Louisiana | 1938 | sanborn03404_001 p2 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3245.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3206.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T01:52:20Z","modified":"2026-09-23T01:52:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034041938:03404_1938-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034041938:03404_1938-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 811.3,-0.0 818.1,1913.0 1613.0,1913.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034041938:03404_1938-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1252.1,1042.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.4612401,33.0008469]}},{"type":"Feature","properties":{"resourceCoords":[1252.1,1758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.4611744,32.9995296]}}]}}]}