{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07821_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Milford, Pennsylvania | 1897 | 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":"4"},{"label":"placed","value":"3"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 41.32265,-74.80107 +/-273m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078211897:07821_1897-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Pennsylvania | 1897 | sanborn07821_002 p1 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"29"},{"label":"confidence","value":"0.90"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T08:41:25Z","modified":"2026-10-18T08:41:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078211897:07821_1897-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078211897:07821_1897-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"67.5,33.8 61.1,194.2 63.6,325.4 46.5,1359.3 43.0,1857.6 42.3,1892.7 1569.4,1866.1 1579.0,714.5 1517.2,594.2 1375.7,547.7 954.5,582.3 659.2,540.0 614.4,118.3 495.3,21.5 67.5,33.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078211897:07821_1897-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[644.0,1033.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.8005488,41.3244954]}},{"type":"Feature","properties":{"resourceCoords":[1531.0,1375.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.7984306,41.3252772]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078211897:07821_1897-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Pennsylvania | 1897 | sanborn07821_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:41:25Z","modified":"2026-10-18T08:41:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078211897:07821_1897-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078211897:07821_1897-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1604.9,197.7 1608.7,329.8 1601.5,1371.0 1602.8,1872.7 1018.5,1878.8 726.0,1876.2 442.6,1865.5 442.6,1873.8 117.1,1860.5 136.4,1823.4 19.9,1582.8 50.6,32.4 755.6,68.9 1609.8,36.1 1604.9,197.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078211897:07821_1897-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[739.0,1041.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.80301091356607,41.32252094578553]}},{"type":"Feature","properties":{"resourceCoords":[449.0,1380.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.8028928753128,41.32169968948818]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078211897:07821_1897-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Pennsylvania | 1897 | sanborn07821_002 p3","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"24"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:41:25Z","modified":"2026-10-18T08:41:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078211897:07821_1897-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078211897:07821_1897-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"424.7,33.8 424.7,25.3 710.5,35.5 1005.6,37.3 1594.7,29.7 1594.5,65.3 1589.6,65.5 1550.8,1873.0 64.4,1874.1 33.5,142.6 96.4,21.2 424.7,33.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078211897:07821_1897-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1004.0,862.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.7995736,41.3207907]}},{"type":"Feature","properties":{"resourceCoords":[428.0,446.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.8012803,41.320548]}}]}}]}