{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07819_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mifflintown, Pennsylvania | 1911 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"8"},{"label":"placed","value":"5"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 3, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 40.56973,-77.40061 +/-672m); p2__1 (tier 1, 40.56635,-77.39521 +/-100m); p2__3 (tier 1, 40.56726,-77.40122 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflintown, Pennsylvania | 1911 | sanborn07819_005 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"2026-10-19T09:34:27Z","modified":"2026-10-19T09:34:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1859.1 1583.0,1839.5 1594.9,1679.3 1517.3,1530.4 1568.5,1470.4 1524.5,1164.0 1577.8,964.7 945.2,910.8 824.1,573.1 857.1,297.9 930.1,240.6 856.0,62.7 457.6,14.9 86.0,51.1 15.9,512.8 70.1,1775.5 96.9,1809.6 686.6,1833.2 970.2,1838.3 1612.0,1859.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[639.0,755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.39256071549768,40.5718029855486]}},{"type":"Feature","properties":{"resourceCoords":[700.0,1180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.39357048208979,40.57159732573735]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflintown, Pennsylvania | 1911 | sanborn07819_005 p2 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.97"},{"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":"2026-10-19T09:34:27Z","modified":"2026-10-19T09:34:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1561.9,1524.5 1555.4,882.4 1548.5,598.9 1546.9,8.7 1509.4,40.9 625.0,31.3 145.5,1128.2 136.5,1815.2 254.5,1897.4 1243.5,1878.5 1576.4,1735.8 1579.9,1523.8 1561.9,1524.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1287.0,1048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.3957042,40.5706126]}},{"type":"Feature","properties":{"resourceCoords":[748.0,12.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.3972064,40.5724465]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflintown, Pennsylvania | 1911 | sanborn07819_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:34:27Z","modified":"2026-10-19T09:34:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1598.1,1322.2 1612.0,861.0 1612.0,724.0 1590.4,724.0 1591.2,408.4 1577.0,409.9 1539.8,112.6 731.6,46.5 137.2,163.4 126.3,723.2 42.9,993.0 40.5,1786.6 1.0,1787.3 1.0,1824.9 510.2,1822.8 510.2,1837.7 855.8,1858.0 1202.5,1772.6 1507.3,1806.2 1612.0,1376.7 1612.0,1322.2 1598.1,1322.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[940.0,734.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.40249514471688,40.56888844984373]}},{"type":"Feature","properties":{"resourceCoords":[1360.0,734.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.40250138225676,40.56808883365515]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflintown, Pennsylvania | 1911 | sanborn07819_005 p4 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.85"},{"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":"2026-10-19T09:34:27Z","modified":"2026-10-19T09:34:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"709.0,899.4 709.0,898.3 712.4,898.3 943.7,818.7 1413.8,855.3 1487.3,789.2 1509.2,517.4 1575.3,436.6 1553.2,98.7 1560.6,96.9 1202.4,73.8 1202.5,58.4 673.6,57.6 673.8,18.6 142.8,25.6 54.7,143.1 47.8,1795.8 304.9,1876.6 393.0,1781.1 429.8,1847.2 642.8,1847.1 694.1,1626.8 708.7,899.5 709.0,899.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[606.0,1186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4079434,40.570815]}},{"type":"Feature","properties":{"resourceCoords":[606.0,279.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4057506,40.5708146]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflintown, Pennsylvania | 1911 | sanborn07819_005 p4 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.56"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2836.0"},{"label":"split_canvas_y","value":"3565.6"},{"label":"split_canvas_w","value":"3616.0"},{"label":"split_canvas_h","value":"4086.4"}],"created":"2026-10-19T09:34:27Z","modified":"2026-10-19T09:34:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"749.2,1912.0 777.2,1912.0 783.8,1885.0 1555.0,1820.5 1510.1,1668.0 1588.9,1507.3 1570.5,1034.4 1337.1,978.0 1380.4,934.0 1322.0,912.6 740.1,974.1 740.0,1298.2 762.2,1298.2 762.5,1438.4 749.2,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078191911:07819_1911-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1410.0,1298.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.402493,40.5664086]}},{"type":"Feature","properties":{"resourceCoords":[964.0,1298.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4024842,40.567235]}}]}}]}