{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07501_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Apollo, Pennsylvania | 1889 | 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":"7"},{"label":"placed","value":"2"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef-snap 1, georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 40.58234,-79.56721 +/-195m); p1__2 (tier 4, 40.58234,-79.56721 +/-195m); p1__3 (tier 1, 40.58580,-79.56122 +/-169m); p1__4 (tier 4, 40.58234,-79.56721 +/-195m); p3__2 (tier 1, 40.58489,-79.56650 +/-166m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075011889:07501_1889-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Apollo, Pennsylvania | 1889 | sanborn07501_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T12:02:58Z","modified":"2026-09-21T12:02:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075011889:07501_1889-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075011889:07501_1889-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"546.8,33.4 1613.0,0.0 1613.0,1913.0 -0.0,1913.0 -0.0,109.7 524.9,91.6 546.8,33.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075011889:07501_1889-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.5689292874307,40.58172199760504]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.565392283954,40.58311367336003]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.56323432504291,40.57990525064749]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.56677132851962,40.5785135748925]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075011889:07501_1889-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Apollo, Pennsylvania | 1889 | sanborn07501_002 p3 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"17"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T12:02:58Z","modified":"2026-09-21T12:02:58Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075011889:07501_1889-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075011889:07501_1889-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1860.2 1613.0,1784.0 1613.0,1629.0 1613.0,282.3 1474.1,418.4 1432.7,481.7 1203.0,833.2 275.5,204.7 377.1,0.0 -0.0,-0.0 -0.0,1913.0 380.0,1913.0 566.6,1913.0 590.2,1857.2 1613.0,1860.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075011889:07501_1889-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1561.0,1355.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5661637,40.5839067]}},{"type":"Feature","properties":{"resourceCoords":[1561.0,1874.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5655117,40.5830326]}}]}}]}