{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07824_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Millerstown, Pennsylvania | 1886 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"1"},{"label":"placed","value":"1"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078241886:07824_1886-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Millerstown, Pennsylvania | 1886 | sanborn07824_001 p1","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T21:50:09Z","modified":"2026-10-17T21:50:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078241886:07824_1886-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078241886:07824_1886-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"59.7,41.1 1083.0,16.2 1219.3,82.4 1388.4,43.2 1374.0,84.7 1546.6,39.2 1596.1,550.5 1565.2,1781.5 1377.7,1884.4 1114.8,1839.6 880.7,1892.5 62.2,1873.0 59.7,41.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078241886:07824_1886-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1453.0,1559.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.1535225,40.5500583]}},{"type":"Feature","properties":{"resourceCoords":[810.0,1559.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.1549131,40.5494821]}}]}}]}