{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07704_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hanover, Pennsylvania | 1909 | 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":"38"},{"label":"placed","value":"26"},{"label":"unplaced","value":"12"},{"label":"fit sources","value":"georef-snap 15, georef 9, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"10 sheet(s) cut into 24 panels"},{"label":"unplaced pages","value":"p15__1 (tier 2, 39.80751,-76.97654 +/-238m); p17__2 (tier 1, 39.79802,-76.97648 +/-100m); p20__2 (tier 1, 39.79563,-76.97812 +/-214m); p23__1 (tier 1, 39.79454,-76.97477 +/-174m); p23__2 (tier 1, 39.79368,-76.97944 +/-100m); p23__3 (tier 1, 39.79899,-76.97510 +/-132m); p24__2 (tier 1, 39.79909,-76.99010 +/-100m); p24__3 (tier 1, 39.80495,-76.99413 +/-100m); p25__1 (tier 1, 39.80530,-76.99882 +/-100m); p2__2 (tier 1, 39.80707,-76.98572 +/-208m); p3__1 (tier 1, 39.80127,-76.98947 +/-206m); p6__2 (tier 1, 39.79691,-76.98815 +/-128m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1685.3 1.0,1748.3 401.9,1760.9 924.9,1755.6 1169.8,1748.7 1567.2,1741.0 1570.5,1395.1 1577.4,969.1 1576.9,209.8 1115.7,210.8 718.2,201.7 406.3,204.9 406.2,215.5 9.9,469.1 47.8,492.6 35.8,1675.2 1.0,1685.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[934.0,1762.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98204841219558,39.79751795079633]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,201.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98332757550499,39.80045979920116]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"267.1,231.7 462.9,238.8 554.8,229.4 869.4,41.4 1072.7,379.1 1240.0,650.1 1612.0,1255.5 1612.0,1259.0 1612.0,1264.8 1263.1,1468.0 903.6,1677.3 467.4,1770.7 57.0,1776.5 59.1,1427.0 64.5,996.6 61.4,229.5 267.1,231.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1509.0,494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98022018088454,39.80180265211459]}},{"type":"Feature","properties":{"resourceCoords":[91.0,958.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98210247032057,39.79948920317603]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"876.9,1757.7 543.4,1602.0 439.4,1602.7 165.8,1620.6 162.1,1620.8 160.9,1620.8 165.2,1612.6 113.7,913.2 89.9,599.8 64.9,211.6 444.9,188.2 825.2,188.7 1477.8,192.3 1551.4,192.7 1557.4,912.0 1560.4,912.0 1509.9,1605.1 1479.1,1605.2 1552.6,1746.5 1533.9,1853.1 884.0,1871.8 876.9,1757.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1158.0,1606.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.977958178314,39.80255553854225]}},{"type":"Feature","properties":{"resourceCoords":[412.0,916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9801887799802,39.801775904819884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1610.1,1768.6 1597.3,1766.5 1516.2,1340.8 1577.9,932.7 1522.3,575.0 1505.5,575.1 1463.5,458.0 1463.6,411.1 1470.0,177.9 1461.0,1.0 1414.3,1.0 1416.5,9.4 1302.8,58.7 936.0,18.9 756.3,54.0 70.2,503.0 73.5,661.2 71.7,794.3 49.9,1294.3 54.2,1770.8 54.3,1787.2 774.5,1773.2 774.4,1770.1 1469.0,1813.0 1469.4,1843.8 1610.1,1768.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[778.0,1304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.97867186554336,39.804529445685134]}},{"type":"Feature","properties":{"resourceCoords":[1464.0,431.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.97632037939377,39.80550741604651]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"135.1,1834.8 121.8,1670.8 51.0,1607.1 92.8,1473.6 26.4,1351.0 18.2,1095.3 51.9,876.4 139.1,769.9 179.3,36.6 435.1,28.4 597.3,113.5 877.6,20.6 1466.2,81.0 1558.2,580.9 1510.7,1009.3 1612.0,1219.9 983.9,1664.0 992.9,1822.7 293.1,1819.3 294.8,1846.8 91.1,1858.7 135.1,1834.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1464.0,-207.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.97650246643062,39.80913982970694]}},{"type":"Feature","properties":{"resourceCoords":[224.0,1482.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98092657706003,39.80731383302961]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0015__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p15 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.74"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3488.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2963.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0015__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1117.0,1538.3 1224.5,1487.9 1227.0,1766.8 1585.9,1206.7 1580.2,1206.2 1582.4,690.2 1476.5,166.1 1258.5,225.9 1219.8,85.0 1088.0,45.4 958.9,126.3 949.6,644.1 1017.6,1057.4 972.4,1471.5 1117.0,1538.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0015__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[872.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97552827091144,39.809735774354934]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.9738081836212,39.809373937324175]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97502629010016,39.80596850880537]}},{"type":"Feature","properties":{"resourceCoords":[872.2,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.9767463773904,39.80633034583613]}},{"type":"Feature","properties":{"resourceCoords":[1220.1,1212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9754922,39.8074083]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p16","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1468.3,1741.3 1413.7,1704.2 1350.5,1755.8 1242.1,1691.8 1105.4,1795.7 781.4,1883.1 80.6,1782.9 33.5,1616.4 96.0,1616.9 111.8,1215.7 110.5,693.6 105.6,448.9 101.0,52.1 1151.0,54.0 1499.8,57.5 1536.5,470.2 1612.0,470.9 1612.0,506.8 1612.0,507.2 1557.6,570.9 1544.8,1001.1 1612.0,1058.5 1612.0,1068.2 1612.0,1082.2 1454.5,1239.5 1405.6,1237.8 1446.3,1645.6 1546.4,1650.0 1468.3,1741.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1151.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9792762,39.7968215]}},{"type":"Feature","properties":{"resourceCoords":[80.0,1768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9840901,39.7962674]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0017__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p17 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"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":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0017__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"93.2,1608.0 95.3,1803.6 501.8,1797.7 814.0,1805.1 1210.2,1798.2 1229.5,1797.8 1612.0,1606.7 1612.0,1193.8 1516.8,1042.6 1204.7,531.0 908.5,49.5 476.5,146.2 69.2,155.7 89.0,1210.0 93.2,1608.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0017__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[804.0,1210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9779502,39.7976566]}},{"type":"Feature","properties":{"resourceCoords":[89.0,1210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9792762,39.7968215]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p18","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"83.2,1420.2 1.0,1554.7 1.0,1784.2 88.1,1791.5 499.2,1820.2 908.1,1825.4 1180.0,1826.0 1440.2,1807.0 1556.6,1804.8 1573.3,1755.3 1574.9,374.2 1612.0,375.4 1612.0,259.8 1285.0,81.8 1180.0,76.0 902.6,77.0 494.6,72.2 79.4,67.2 81.1,635.9 80.8,1238.6 83.2,1420.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1180.0,76.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9786363,39.8013304]}},{"type":"Feature","properties":{"resourceCoords":[1180.0,1826.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9746969,39.8002742]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p19","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1493.2,1415.7 1358.7,1414.7 1403.8,1811.1 1469.2,1811.7 1467.4,1856.0 629.9,1878.1 181.3,1842.6 169.4,1856.6 169.2,1820.1 93.7,1819.8 54.4,1406.7 101.9,1406.9 297.0,1408.0 297.0,1002.8 308.9,691.7 307.8,296.5 307.7,281.8 708.7,130.9 696.6,104.5 961.6,37.5 1466.5,187.6 1527.3,1032.1 1581.8,1078.2 1499.2,1080.1 1493.2,1415.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97623620027247,39.79808022902811]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97372867213103,39.795807027304136]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97724422844895,39.79352641775638]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97975175659039,39.795799619480356]}},{"type":"Feature","properties":{"resourceCoords":[297.0,1408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.978362,39.7959831]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0020__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p20 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.78"},{"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":"3209.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0020__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"22.1,265.9 53.1,1823.3 361.3,1852.4 752.1,1739.7 755.8,427.1 799.3,375.9 800.0,293.0 798.4,293.1 462.6,289.1 464.5,154.8 67.5,202.2 66.5,267.4 22.1,265.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0020__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97787647104997,39.7941949164358]}},{"type":"Feature","properties":{"resourceCoords":[802.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.976410914407,39.79515850043999]}},{"type":"Feature","properties":{"resourceCoords":[802.4,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97341378383362,39.79247767997673]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97487934047659,39.79151409597254]}},{"type":"Feature","properties":{"resourceCoords":[450.2,1008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9754749,39.793323]}},{"type":"Feature","properties":{"resourceCoords":[450.2,1008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9751203,39.7929966]}},{"type":"Feature","properties":{"resourceCoords":[450.2,1008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9753823,39.7932378]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"99.0,530.4 145.8,1030.7 216.5,1075.8 319.8,1586.0 137.4,1666.4 131.3,1824.8 45.1,1824.2 1.0,1837.9 1.0,1872.8 349.6,1764.4 651.9,1604.1 686.1,1693.3 795.0,1912.0 808.4,1912.0 816.2,1912.0 790.8,1856.0 985.0,1787.0 1340.3,1863.7 1501.9,1790.7 1460.4,1696.0 1517.9,1660.0 1561.2,793.0 1445.0,334.4 1494.8,144.8 1573.6,124.6 1583.5,94.5 1467.2,97.3 1207.2,117.8 935.5,118.8 526.8,116.0 115.7,89.8 115.5,531.9 99.0,530.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[550.0,124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.97520823476924,39.7991354895922]}},{"type":"Feature","properties":{"resourceCoords":[1217.0,124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.97467526244024,39.80028724498302]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0022__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p22 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.64"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4740.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2912.0"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0022__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.7,1862.0 136.2,1862.3 171.4,1911.3 1485.7,1911.7 1542.8,1866.7 1552.7,1254.3 1482.3,1205.8 628.6,1206.4 514.9,1236.5 526.6,1307.1 462.4,1350.2 299.9,1307.5 127.2,1217.2 68.5,1239.2 14.4,1502.5 1.0,1497.2 1.0,1540.8 101.7,1542.0 103.5,1825.3 96.7,1862.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0022__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1185.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.96896265864362,39.7993894773719]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1185.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.96521330588395,39.800151892118016]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.96476856561236,39.79884260420808]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.96851791837202,39.79808018946197]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0022__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p22 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"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":"4740.0"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0022__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"518.5,85.8 508.2,104.4 263.9,93.8 169.2,80.6 163.2,422.9 89.0,781.7 58.4,764.8 30.7,899.0 66.2,1181.1 1544.9,1179.1 1588.4,1141.5 1550.3,694.7 1594.9,380.3 1566.8,94.2 1464.6,102.7 1460.5,58.2 1361.6,28.9 1277.0,89.6 973.0,121.5 518.5,85.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0022__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[514.0,740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9707331062917,39.79731423662938]}},{"type":"Feature","properties":{"resourceCoords":[1292.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.96913585923619,39.798627030746886]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0023__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p23 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4387.6"},{"label":"split_canvas_y","value":"4010.4"},{"label":"split_canvas_w","value":"2064.4"},{"label":"split_canvas_h","value":"3641.6"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0023__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1184.4,1779.5 1182.5,1783.6 1612.0,1811.4 1612.0,1782.4 1571.9,1775.2 1576.2,1111.6 1612.0,1104.6 1612.0,1100.7 1612.0,1088.1 1173.5,1132.3 1175.0,1220.0 1098.8,1228.2 1099.3,1279.3 1099.5,1304.8 1099.5,1314.1 1099.5,1315.0 1177.2,1351.7 1184.4,1779.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0023__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1096.9,1002.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97566594105079,39.79868384867421]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1002.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97454953078666,39.79827692665769]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97547623092906,39.79675479770554]}},{"type":"Feature","properties":{"resourceCoords":[1096.9,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97659264119319,39.797161719722055]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0023__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p23 [5]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.34"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4882.0"},{"label":"split_canvas_w","value":"4417.2"},{"label":"split_canvas_h","value":"2770.0"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0023__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"265.1,1912.0 267.5,1909.0 1008.0,1907.6 1066.1,1774.5 919.1,1319.8 737.0,1289.6 683.2,1369.7 497.4,1261.2 366.5,1356.0 309.5,1311.1 310.4,1335.0 157.0,1501.0 107.5,1501.5 163.9,1912.0 246.9,1912.0 265.1,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0023__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1220.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.98067898464866,39.795514317361594]}},{"type":"Feature","properties":{"resourceCoords":[1104.3,1220.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.97905924718464,39.79392260882282]}},{"type":"Feature","properties":{"resourceCoords":[1104.3,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.9803505130764,39.79313588768975]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.98197025054044,39.794727596228526]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0024__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p24 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.43"},{"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":"5396.0"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0024__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"226.6,1339.0 232.6,1339.1 230.6,1324.8 457.7,1276.1 1284.9,1293.2 1366.6,1266.6 1325.7,1113.6 1416.1,1052.5 1292.5,702.0 1350.0,654.6 1021.2,645.4 927.6,514.4 877.6,210.4 592.0,82.5 453.2,88.6 175.2,676.5 137.9,406.6 39.9,469.1 60.3,475.5 133.3,775.1 179.1,775.6 186.0,949.9 183.6,1012.2 177.0,1178.0 176.4,1223.9 216.1,1339.0 226.6,1339.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0024__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[177.0,1178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9763023,39.8055415]}},{"type":"Feature","properties":{"resourceCoords":[99.0,140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9754922,39.8074083]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0025__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p25 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.68"},{"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":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0025__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1559.3,1465.2 1540.5,667.4 1514.0,550.7 1359.8,420.4 1484.6,186.9 1429.8,104.8 1397.0,162.3 1205.5,53.0 790.6,171.9 299.1,69.2 165.1,170.5 138.8,409.4 60.5,457.8 65.5,1205.5 542.5,1274.5 614.6,1400.3 761.5,1484.1 785.4,1768.5 892.1,1863.3 1332.6,1877.6 1546.8,1813.6 1497.5,1692.3 1559.3,1465.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0025__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1390.0,1264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.99644699205008,39.80773118277342]}},{"type":"Feature","properties":{"resourceCoords":[1500.0,554.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.99705913259098,39.808962803980926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"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":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"941.5,1898.5 941.1,1873.3 1127.8,1770.0 1554.8,1837.3 1562.9,659.7 1512.0,638.6 1427.1,688.1 1435.3,713.5 1432.9,714.5 1246.5,793.4 1244.8,790.9 1243.4,791.5 1241.6,786.4 1107.0,592.7 928.0,118.0 567.0,136.7 407.8,109.6 400.0,59.1 89.0,33.8 68.8,785.4 7.8,776.7 8.0,806.6 83.2,892.6 81.6,1191.0 82.4,1623.0 267.7,1499.7 466.3,1376.8 671.5,1679.2 831.9,1908.9 906.5,1858.2 941.5,1898.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1085.0,1764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98732793796161,39.80642108561388]}},{"type":"Feature","properties":{"resourceCoords":[974.0,1139.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9888501656685,39.806227348200494]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2696.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3756.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"846.5,1857.2 853.1,1791.6 1141.6,1769.7 1464.8,1738.7 1468.1,1346.3 1476.4,879.6 1488.4,598.4 1478.3,416.8 1460.5,298.6 1483.5,6.5 1397.5,138.8 1132.8,123.0 909.6,65.7 868.0,169.7 924.4,1245.4 815.5,1402.5 815.5,1422.0 815.4,1422.0 802.0,1422.0 784.0,1448.0 716.4,1733.8 846.5,1857.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1465.2,613.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.99018875027019,39.802358555330834]}},{"type":"Feature","properties":{"resourceCoords":[1465.2,1783.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98821082464542,39.80084101542565]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,112.3 1.0,409.3 26.9,520.6 51.0,699.5 61.0,978.7 89.2,1441.2 116.5,1829.8 150.2,1823.3 459.3,1818.4 765.4,1821.8 765.8,1783.6 846.7,1788.0 1146.8,1787.4 1564.7,1792.9 1569.3,1063.5 1583.0,534.0 1586.3,486.6 1257.5,199.8 1033.0,1.0 869.5,1.0 722.6,127.5 262.1,127.2 103.7,20.6 42.8,35.6 1.0,112.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[74.0,1049.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98958532884991,39.801944249909766]}},{"type":"Feature","properties":{"resourceCoords":[771.0,1049.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98831036612356,39.80278188868438]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.9,477.1 120.7,525.0 109.2,1059.3 107.5,1795.4 542.2,1801.5 542.2,1818.4 1292.5,1801.7 1270.3,1691.3 1592.3,1137.0 1585.2,1128.6 1612.0,1085.6 1612.0,937.6 1522.5,432.8 1549.5,127.6 1432.5,38.0 951.8,35.8 910.8,1.0 855.2,1.0 844.5,91.3 560.5,61.3 190.8,17.2 152.7,252.2 123.9,477.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[864.0,106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98692463069851,39.80594796408103]}},{"type":"Feature","properties":{"resourceCoords":[899.0,-199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9873314380976,39.80641574198093]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"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":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"671.2,238.3 738.4,290.3 788.2,738.3 671.2,974.7 671.2,1053.5 658.7,1053.5 632.2,1053.5 614.8,1088.8 294.7,1063.3 71.0,1116.8 39.3,1687.5 426.3,1862.4 1129.5,1813.2 1179.8,1843.7 1574.0,1584.2 1574.0,1573.5 1567.0,1161.6 1557.5,783.3 1386.4,390.5 1273.4,59.4 955.5,122.2 671.2,172.7 671.2,238.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1556.0,1172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98607266673459,39.79964272967179]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1590.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98543793422411,39.7990472697482]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p7","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.9,208.3 390.2,197.8 698.5,195.7 698.2,157.2 779.8,160.1 1082.0,154.1 1503.0,152.0 1519.7,1728.5 1055.6,1734.0 655.5,1728.8 341.6,1735.2 336.0,1322.0 327.7,942.5 157.4,548.0 45.1,215.4 78.9,208.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[336.0,1322.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9860681,39.7996704]}},{"type":"Feature","properties":{"resourceCoords":[1503.0,152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9856949,39.8026903]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p8","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"534.0,200.0 534.2,216.9 1283.9,193.8 1420.0,842.3 1403.8,845.5 1567.9,1221.8 1243.5,1389.6 913.6,1587.4 600.1,1775.3 508.5,1784.8 313.1,1777.9 108.0,1776.0 99.6,197.6 534.0,200.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[534.0,200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9848948,39.8031968]}},{"type":"Feature","properties":{"resourceCoords":[108.0,1776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9832681,39.8004769]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, Pennsylvania | 1909 | sanborn07704_005 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:43:02Z","modified":"2026-10-19T16:43:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1112.2,1833.7 1107.7,1849.1 1506.2,1876.6 1506.2,1858.0 1510.7,1216.3 1511.4,1127.8 1513.1,659.9 1540.7,169.2 1544.0,38.5 861.1,2.0 861.5,28.9 662.0,30.9 460.6,127.8 75.2,133.7 29.4,1045.2 1.0,1046.3 1.0,1048.0 37.5,1108.5 48.0,1106.0 385.8,1630.0 1112.2,1833.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077041909:07704_1909-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[856.0,112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98124035640284,39.80651085245454]}},{"type":"Feature","properties":{"resourceCoords":[714.0,1008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.98240910141651,39.805056484763846]}}]}}]}