{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn04508_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Pontotoc, Mississippi | 1916 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"3"},{"label":"placed","value":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1, georef-snap 1"},{"label":"key map","value":"none"},{"label":"unplaced pages","value":"p1 (tier 4, 34.24653,-88.99854 +/-183m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045081916:04508_1916-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Pontotoc, Mississippi | 1916 | sanborn04508_004 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T19:37:48Z","modified":"2026-09-21T19:37:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045081916:04508_1916-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045081916:04508_1916-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4698.7,7309.9 -0.0,7310.7 -0.0,-0.0 6452.0,0.0 6452.0,7652.0 4698.7,7652.0 4698.7,7309.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045081916:04508_1916-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1640.0,7316.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.9991656,34.2463968]}},{"type":"Feature","properties":{"resourceCoords":[4692.0,3000.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.9983082,34.2487154]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045081916:04508_1916-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Pontotoc, Mississippi | 1916 | sanborn04508_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:37:48Z","modified":"2026-09-21T19:37:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045081916:04508_1916-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045081916:04508_1916-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,-0.0 819.9,0.0 822.2,245.5 955.1,254.1 5471.9,220.8 5475.0,557.4 6452.0,552.4 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd398m:g3984m:g3984pm:g3984pm_g045081916:04508_1916-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.00051123424615,34.246154746698004]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.9970703391659,34.247077394630885]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.99575588202492,34.24368018600174]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-88.99919677710517,34.24275753806886]}}]}}]}