{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04442_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Clarksdale, Mississippi | 1897 | 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":"3"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"unplaced pages","value":"p1 (tier 1, 34.20291,-90.57088 +/-255m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984cm:g3984cm_g044421897:04442_1897-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clarksdale, Mississippi | 1897 | sanborn04442_002 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-23T08:25:21Z","modified":"2026-09-23T08:25:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984cm:g3984cm_g044421897:04442_1897-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984cm:g3984cm_g044421897:04442_1897-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1473.0,75.0 1473.7,1913.0 -0.0,1913.0 -0.0,0.0 1375.5,-0.0 1375.5,74.5 1473.0,75.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984cm:g3984cm_g044421897:04442_1897-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1473.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5725204,34.2031343]}},{"type":"Feature","properties":{"resourceCoords":[1473.0,1619.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5758546,34.2024414]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984cm:g3984cm_g044421897:04442_1897-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clarksdale, Mississippi | 1897 | sanborn04442_002 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T08:25:21Z","modified":"2026-09-23T08:25:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984cm:g3984cm_g044421897:04442_1897-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984cm:g3984cm_g044421897:04442_1897-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1215.4,138.5 1552.7,1913.0 97.7,1913.0 97.0,89.0 -0.0,88.5 -0.0,0.0 1613.0,-0.0 1613.0,72.9 1215.4,138.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984cm:g3984cm_g044421897:04442_1897-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[97.0,89.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5725204,34.2031343]}},{"type":"Feature","properties":{"resourceCoords":[97.0,1625.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.5758546,34.2024414]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984cm:g3984cm_g044421897:04442_1897-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clarksdale, Mississippi | 1897 | sanborn04442_002 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:25:21Z","modified":"2026-09-23T08:25:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984cm:g3984cm_g044421897:04442_1897-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd398m:g3984m:g3984cm:g3984cm_g044421897:04442_1897-0004","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:gmd398m:g3984m:g3984cm:g3984cm_g044421897:04442_1897-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.57201761593856,34.20110499087579]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.57051440956471,34.19838395585758]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.57438884174381,34.19689902619834]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.57589204811767,34.19962006121655]}}]}}]}