{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05386_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Somersworth, New-Hampshire | 1912 | mapsnap generated fit (2026-09-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-20"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"28"},{"label":"placed","value":"13"},{"label":"unplaced","value":"15"},{"label":"fit sources","value":"georef-snap 8, georef 5"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p0 (tier 4, 43.25791,-70.86479 +/-790m); p13__1 (tier 2, 43.26155,-70.86228 +/-201m); p13__2 (tier 1, 43.26142,-70.86259 +/-222m); p16 (tier 1, 43.25324,-70.85493 +/-259m); p17__1 (tier 3, 43.26902,-70.86780 +/-523m); p17__2 (tier 3, 43.26902,-70.86780 +/-523m); p18 (tier 2, 43.26618,-70.86497 +/-100m); p19 (tier 2, 43.26564,-70.86385 +/-100m); p20 (tier 3, 43.26554,-70.86058 +/-523m); p21__1 (tier 3, 43.26867,-70.86189 +/-523m); p21__2 (tier 3, 43.26867,-70.86189 +/-523m); p22__1 (tier 3, 43.26700,-70.85805 +/-523m); p22__2 (tier 3, 43.26700,-70.85805 +/-523m); p23__1 (tier 1, 43.26830,-70.87502 +/-100m); p23__2 (tier 1, 43.26847,-70.87460 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Somersworth, New-Hampshire | 1912 | sanborn05386_003 p10","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-20T22:28:06Z","modified":"2026-09-20T22:28:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1099.6 245.4,1044.7 84.3,508.4 1373.4,115.7 1571.9,110.5 1353.2,1734.0 1207.3,1774.4 1208.8,1912.8 1207.9,1913.0 -0.0,1913.0 -0.0,1099.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[84.0,508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8672834,43.2558679]}},{"type":"Feature","properties":{"resourceCoords":[1490.0,748.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.863626,43.2560603]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Somersworth, New-Hampshire | 1912 | sanborn05386_003 p11","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"19"}],"created":"2026-09-20T22:28:06Z","modified":"2026-09-20T22:28:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1240.8,131.2 1470.3,1560.5 -0.0,1862.0 -0.0,1726.5 142.1,1688.7 374.6,100.0 1240.8,131.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[810.0,988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8621256,43.2558187]}},{"type":"Feature","properties":{"resourceCoords":[216.0,1220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8634834,43.2551078]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Somersworth, New-Hampshire | 1912 | sanborn05386_003 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T22:28:06Z","modified":"2026-09-20T22:28:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,0.0 82.4,-0.0 75.6,72.5 842.5,68.7 842.2,-0.0 1613.0,-0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.85989687981254,43.255135347958955]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.8580074876292,43.25227263222061]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86263633451713,43.250629060236875]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86452572670048,43.25349177597522]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Somersworth, New-Hampshire | 1912 | sanborn05386_003 p14","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-20T22:28:06Z","modified":"2026-09-20T22:28:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"302.6,1440.5 530.3,0.0 1613.0,0.0 1613.0,1913.0 305.6,1913.0 302.6,1440.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[417.0,734.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8619108,43.2586926]}},{"type":"Feature","properties":{"resourceCoords":[324.0,1302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8615898,43.2576097]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Somersworth, New-Hampshire | 1912 | sanborn05386_003 p15","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-20T22:28:06Z","modified":"2026-09-20T22:28:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.5,1913.0 121.8,1090.3 199.2,1097.9 200.0,1009.5 122.2,1009.3 125.8,140.7 1486.5,252.7 1507.3,0.0 1613.0,0.0 1613.0,1913.0 118.5,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[122.0,1324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.859724,43.254555]}},{"type":"Feature","properties":{"resourceCoords":[122.0,56.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8611341,43.2566425]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Somersworth, New-Hampshire | 1912 | sanborn05386_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T22:28:06Z","modified":"2026-09-20T22:28:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.4,300.9 0.0,295.7 0.0,0.0 1613.0,0.0 1613.0,1710.8 1456.4,1366.6 1378.7,1907.8 1272.3,1732.6 1193.0,1688.3 599.8,1481.8 399.4,1553.7 180.5,1088.7 150.6,812.0 77.6,834.6 0.0,948.4 42.4,300.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86995722021842,43.26215093286705]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.87070672502179,43.2651706697874]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86582309126102,43.26582254076691]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86507358645765,43.26280280384656]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Somersworth, New-Hampshire | 1912 | sanborn05386_003 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T22:28:06Z","modified":"2026-09-20T22:28:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"464.5,1766.1 504.9,1635.2 849.2,1429.7 393.2,1031.2 163.4,1037.3 170.7,836.3 653.8,330.2 889.7,294.2 430.3,0.0 1613.0,0.0 1613.0,1913.0 819.1,1913.0 831.7,1868.6 464.5,1766.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86806418782139,43.264875087731006]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86461907750387,43.26662971959476]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86178140612687,43.26363339919758]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86522651644438,43.261878767333826]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Somersworth, New-Hampshire | 1912 | sanborn05386_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T22:28:06Z","modified":"2026-09-20T22:28:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1490.3,832.7 1613.0,817.2 1613.0,1913.0 1320.5,1913.0 1332.7,1867.5 896.8,1808.5 650.6,1825.8 636.2,984.7 -0.0,162.0 -0.0,88.2 263.6,140.0 974.9,37.8 1460.7,365.2 1155.2,604.0 1132.2,734.6 1497.0,788.5 1490.3,832.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86806420655591,43.26286363324999]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86422159390251,43.26433656752625]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86183958851268,43.26099439824951]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86568220116608,43.25952146397325]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Somersworth, New-Hampshire | 1912 | sanborn05386_003 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T22:28:06Z","modified":"2026-09-20T22:28:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"611.6,1895.9 -0.0,1913.0 -0.0,-0.0 702.9,0.0 1447.0,396.6 1613.0,728.0 1613.0,1290.0 611.6,1895.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86920863870301,43.26233278133583]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.8649435903551,43.26251176124915]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.8646541534722,43.25880208862682]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86891920182012,43.2586231087135]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Somersworth, New-Hampshire | 1912 | sanborn05386_003 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T22:28:06Z","modified":"2026-09-20T22:28:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1117.2,1353.3 875.1,1456.3 1220.6,1913.0 -0.0,1913.0 -0.0,1260.2 213.7,773.0 171.5,115.9 584.4,237.3 579.3,152.1 1503.2,115.5 1547.3,1343.0 1117.2,1353.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.8659097574924,43.259780514324774]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86390431854421,43.25707921988689]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86827248966787,43.25533483252599]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.87027792861606,43.25803612696387]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Somersworth, New-Hampshire | 1912 | sanborn05386_003 p7","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-20T22:28:06Z","modified":"2026-09-20T22:28:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"82.7,907.7 -0.0,937.9 -0.0,485.8 540.6,261.6 581.3,0.0 717.7,0.0 766.5,166.7 975.0,87.4 1613.0,26.4 1613.0,399.6 1481.2,421.4 1490.0,1800.0 387.3,1814.9 82.7,907.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[716.0,700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8640834,43.25929]}},{"type":"Feature","properties":{"resourceCoords":[1490.0,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8615898,43.2576097]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Somersworth, New-Hampshire | 1912 | sanborn05386_003 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T22:28:06Z","modified":"2026-09-20T22:28:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"16.1,1787.7 -0.0,327.8 443.3,610.7 397.4,36.3 658.6,80.0 1029.0,303.9 975.5,391.8 1453.5,672.5 1310.6,877.6 1613.0,1204.4 1599.8,1749.5 624.1,1773.0 537.4,1857.6 533.8,1775.2 16.1,1787.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86900087312921,43.257411077350014]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86535204574741,43.25593429030237]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86774001332951,43.25276031186863]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.8713888407113,43.25423709891627]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Somersworth, New-Hampshire | 1912 | sanborn05386_003 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-20T22:28:06Z","modified":"2026-09-20T22:28:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 -0.0,1913.0 -0.0,0.0 527.2,0.0 528.9,84.0 619.2,0.0 1613.0,0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744sm:g3744sm_g053861912:05386_1912-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.87119604526316,43.25443028010956]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.8675656819431,43.2530437530179]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86980759043968,43.2498856828678]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.87343795375973,43.25127220995946]}}]}}]}