{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03643_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Princess Anne, Maryland | 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":"3"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef-snap 2, snap:0 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 38.19825,-75.69242 +/-120m); p1__2 (tier 1, 38.20055,-75.68955 +/-225m); p1__3 (tier 1, 38.19791,-75.69077 +/-100m); p1__4 (tier 1, 38.19615,-75.69262 +/-100m); p4__2 (tier 1, 38.20501,-75.69565 +/-137m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844pm:g3844pm_g036431911:03643_1911-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princess Anne, Maryland | 1911 | sanborn03643_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T20:56:04Z","modified":"2026-10-19T20:56:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844pm:g3844pm_g036431911:03643_1911-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844pm:g3844pm_g036431911:03643_1911-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1524.4,204.8 1544.1,204.9 1579.9,629.0 1556.6,628.5 1554.2,1030.5 1547.4,1030.4 1547.1,1396.1 1575.4,1534.6 1484.5,1786.2 1045.0,1879.5 218.7,1735.8 242.7,1658.9 149.2,1614.3 157.1,1540.0 40.9,1396.2 91.1,1235.5 20.4,921.7 22.1,523.2 49.3,240.1 121.4,132.2 717.0,19.1 1314.3,121.4 1355.0,65.0 1510.2,53.0 1524.4,204.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844pm:g3844pm_g036431911:03643_1911-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1058.0,1008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.69426699395562,38.20397454447649]}},{"type":"Feature","properties":{"resourceCoords":[330.0,1008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.6947760946726,38.205254182048236]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844pm:g3844pm_g036431911:03643_1911-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Princess Anne, Maryland | 1911 | sanborn03643_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T20:56:04Z","modified":"2026-10-19T20:56:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844pm:g3844pm_g036431911:03643_1911-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844pm:g3844pm_g036431911:03643_1911-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.8,1704.8 62.7,1335.0 69.6,1335.0 69.2,928.4 92.8,928.7 53.7,500.0 33.8,500.0 18.4,346.6 25.9,100.2 94.3,28.1 314.6,118.6 637.9,23.6 1441.9,28.9 1556.3,171.1 1498.7,513.8 1556.3,954.8 1537.4,954.4 1587.7,1233.0 1546.8,1842.5 117.9,1778.2 94.4,1844.7 64.8,1704.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844pm:g3844pm_g036431911:03643_1911-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1060.0,1336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.69330261442248,38.201364523135105]}},{"type":"Feature","properties":{"resourceCoords":[1060.0,1714.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.69414030795375,38.20116360541462]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844pm:g3844pm_g036431911:03643_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":"Princess Anne, Maryland | 1911 | sanborn03643_004 p4 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.01"},{"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":"2026-10-19T20:56:04Z","modified":"2026-10-19T20:56:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844pm:g3844pm_g036431911:03643_1911-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844pm:g3844pm_g036431911:03643_1911-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"909.8,1002.3 882.5,996.9 883.6,992.3 877.5,990.0 1070.6,181.1 1083.7,150.9 748.6,96.5 292.7,157.9 293.0,138.4 5.0,191.6 81.3,196.3 55.2,1842.0 1530.8,1860.5 1592.8,1545.0 1581.0,1342.8 1535.7,1274.6 1546.2,1244.9 909.8,1002.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd384m:g3844m:g3844pm:g3844pm_g036431911:03643_1911-0004__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":[-75.69285069561458,38.200822787251404]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.68939211096242,38.201638493847724]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.68816968489612,38.198392325883056]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.6916282695483,38.197576619286735]}}]}}]}