{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03430_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Belfast, Maine | 1923 | 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":"23"},{"label":"placed","value":"12"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef-snap 9, georef 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p11__1 (tier 1, 44.42099,-69.00726 +/-125m); p14__1 (tier 1, 44.42604,-69.00823 +/-213m); p14__2 (tier 4, 44.42482,-69.00632 +/-1103m); p14__3 (tier 1, 44.43127,-68.96000 +/-125m); p15__1 (tier 4, 44.42482,-69.00632 +/-1103m); p15__2 (tier 4, 44.42482,-69.00632 +/-1103m); p15__3 (tier 4, 44.42482,-69.00632 +/-1103m); p15__4 (tier 4, 44.42482,-69.00632 +/-1103m); p15__5 (tier 4, 44.42482,-69.00632 +/-1103m); p15__6 (tier 4, 44.42482,-69.00632 +/-1103m); p8__2 (tier 1, 44.43342,-69.01658 +/-126m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Belfast, Maine | 1923 | sanborn03430_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.21"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:53:56Z","modified":"2026-10-19T09:53:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.5,732.7 82.0,506.6 53.8,480.1 181.6,424.9 181.3,401.9 529.3,426.6 526.0,443.2 522.4,465.1 1035.5,548.7 1046.3,530.2 1160.6,540.4 1157.8,562.6 1424.0,540.3 1495.8,641.1 1401.9,741.0 1370.5,1082.6 1387.2,1286.4 1471.0,1370.3 1507.1,1370.3 1066.0,1542.6 1059.0,1539.4 868.6,1610.3 871.2,1615.3 676.4,1710.9 564.7,1758.3 557.9,1653.9 202.8,1616.5 212.1,1615.7 197.3,1035.2 187.5,1034.4 187.0,981.3 41.4,751.0 57.5,732.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[559.0,1739.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.00860131297513,44.42626680588264]}},{"type":"Feature","properties":{"resourceCoords":[511.0,680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.01247931682136,44.428957187798986]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Belfast, Maine | 1923 | sanborn03430_006 p11 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.35"},{"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":"2026-10-19T09:53:56Z","modified":"2026-10-19T09:53:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1168.5,397.5 1101.1,118.8 951.5,158.4 953.0,167.2 710.5,210.2 658.0,222.3 625.2,225.2 613.5,226.3 571.7,222.7 572.5,212.9 1.0,304.9 1.0,350.8 91.4,398.4 193.1,679.8 409.7,838.7 618.6,834.6 729.4,906.9 731.3,1812.0 997.1,1788.0 1062.7,1822.0 1441.5,1866.9 1444.4,1675.7 1397.2,1656.1 1491.8,1420.5 1531.2,1301.7 1536.2,1268.2 1533.3,1225.2 1466.8,939.5 1406.7,665.5 1384.4,670.9 1212.5,565.0 1168.5,397.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1050.0,743.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.00650636470793,44.42055018955352]}},{"type":"Feature","properties":{"resourceCoords":[1319.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.00220276011292,44.41764645570262]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Belfast, Maine | 1923 | sanborn03430_006 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.51"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:53:56Z","modified":"2026-10-19T09:53:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"149.2,1830.2 67.6,1819.5 72.8,1627.5 25.6,1607.2 123.5,1371.8 164.6,1252.9 170.2,1219.3 167.7,1176.0 104.5,888.2 47.4,612.3 282.9,560.5 530.5,509.6 890.0,425.8 1127.7,365.5 1103.3,281.4 1074.8,191.9 1188.6,165.8 1249.5,158.8 1275.0,162.1 1351.3,157.4 1612.0,295.4 1592.5,300.0 1540.0,438.1 1543.3,751.4 1577.0,800.6 1596.0,977.8 1558.1,1405.7 1579.2,1420.7 1281.6,1603.7 1199.0,1583.3 1032.2,1554.1 789.2,1504.1 767.9,1617.3 524.4,1822.2 433.4,1783.6 210.2,1847.7 208.5,1867.6 149.2,1830.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[160.0,1160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.00315015285038,44.42007027522284]}},{"type":"Feature","properties":{"resourceCoords":[577.0,650.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.00283055827198,44.42246670861951]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Belfast, Maine | 1923 | sanborn03430_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.45"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:53:56Z","modified":"2026-10-19T09:53:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1329.3,11.5 1048.1,220.0 963.9,206.7 794.9,192.1 548.1,163.2 536.6,278.1 311.3,503.7 217.2,473.1 1.0,556.0 1.0,576.9 52.7,603.5 33.0,930.4 77.7,1385.8 38.5,1495.1 55.2,1863.2 355.3,1893.5 537.6,1846.2 779.4,1844.3 1237.6,1894.1 1530.2,1861.2 1588.0,1741.0 1588.8,191.8 1561.5,88.0 1526.2,60.1 1425.0,67.7 1329.3,11.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[738.0,633.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-68.99748816420488,44.41913959504676]}},{"type":"Feature","properties":{"resourceCoords":[353.0,1867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-68.99616819866077,44.414519502098514]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Belfast, Maine | 1923 | sanborn03430_006 p2","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.71"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:53:56Z","modified":"2026-10-19T09:53:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.0,1289.1 126.0,1071.4 144.0,851.0 197.2,850.0 315.9,358.6 257.9,316.4 323.1,296.7 475.0,274.7 594.3,264.8 710.0,267.4 728.4,266.8 1430.8,377.8 1433.5,586.1 1441.0,1158.0 1428.3,1240.9 1423.4,1324.3 1425.9,1687.6 1431.0,1758.7 1374.9,1750.8 997.2,1755.6 892.2,1766.5 438.6,1781.8 121.6,1775.1 120.0,1289.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[144.0,851.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.0103086,44.4241924]}},{"type":"Feature","properties":{"resourceCoords":[1441.0,1158.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.0074424,44.4255159]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Belfast, Maine | 1923 | sanborn03430_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.39"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:53:56Z","modified":"2026-10-19T09:53:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"170.6,1619.5 205.4,1255.5 218.9,1172.4 240.2,1090.8 291.4,517.1 527.1,457.7 942.5,328.2 948.4,346.1 1020.6,664.5 1042.1,792.4 1070.4,1044.9 1210.2,1026.2 1444.8,1007.2 1463.5,1394.0 1470.8,1695.8 816.5,1701.0 731.1,1681.0 513.5,1694.3 214.1,1703.0 168.4,1691.2 170.6,1619.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[212.0,1096.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.00747577189934,44.42546967491185]}},{"type":"Feature","properties":{"resourceCoords":[1461.0,1705.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.00430069261047,44.42657880959716]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Belfast, Maine | 1923 | sanborn03430_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.06"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:53:56Z","modified":"2026-10-19T09:53:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"47.9,192.5 454.8,182.3 465.9,193.0 1413.6,154.1 1509.1,186.9 1471.8,307.2 1587.2,1210.6 1506.1,1773.0 1536.5,1912.0 1504.3,1912.0 1489.8,1912.0 690.4,1760.2 706.4,1698.8 327.9,1641.6 373.8,1343.5 423.8,959.9 189.6,937.3 48.9,931.0 65.6,677.7 67.0,548.1 52.1,222.4 47.9,192.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1010.0,848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.00528218001124,44.428373158943096]}},{"type":"Feature","properties":{"resourceCoords":[55.0,935.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.0062194446781,44.426762875961096]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Belfast, Maine | 1923 | sanborn03430_006 p5","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:53:56Z","modified":"2026-10-19T09:53:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"156.1,201.3 472.6,211.3 925.8,200.7 1030.7,190.9 1407.9,189.9 1463.8,198.4 1468.7,277.8 1472.8,1129.9 1473.1,1435.5 1470.2,1755.8 966.0,1743.8 484.9,1739.2 439.1,1739.2 154.4,1451.6 148.0,1104.3 148.8,529.7 156.1,201.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[967.0,1120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.0054997,44.4229237]}},{"type":"Feature","properties":{"resourceCoords":[967.0,533.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.0065968,44.4236597]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Belfast, Maine | 1923 | sanborn03430_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.66"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:53:56Z","modified":"2026-10-19T09:53:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"191.2,259.7 486.5,227.6 700.6,197.5 786.6,210.5 1433.0,154.2 1483.8,485.1 1257.3,507.4 1279.8,780.0 1303.2,1150.9 1336.4,1449.8 1349.3,1636.8 1356.9,1811.2 867.8,1815.7 131.5,1808.5 138.5,1488.3 142.1,1182.8 149.1,331.1 145.2,251.6 191.2,259.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[816.0,1176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.0034389641741,44.42450552023222]}},{"type":"Feature","properties":{"resourceCoords":[1316.0,1821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.00135254519004,44.42438337348713]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Belfast, Maine | 1923 | sanborn03430_006 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.23"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:53:56Z","modified":"2026-10-19T09:53:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"612.4,62.6 615.1,125.8 1471.2,30.9 1506.2,92.9 1505.8,249.9 1432.4,323.0 1505.3,469.7 1431.8,542.8 1420.4,940.5 1336.1,1191.5 1518.8,1354.1 1564.7,1861.8 1211.7,1842.4 748.9,1464.9 597.2,1444.0 548.4,1427.7 425.8,1417.3 192.0,1424.0 146.1,1125.2 107.1,753.8 73.0,481.0 299.6,449.1 234.7,119.0 612.4,62.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[192.0,1424.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.0020194,44.4248701]}},{"type":"Feature","properties":{"resourceCoords":[73.0,481.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.0039397,44.4259288]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Belfast, Maine | 1923 | sanborn03430_006 p8 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.25"},{"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":"2026-10-19T09:53:56Z","modified":"2026-10-19T09:53:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1603.0,1814.3 1561.1,1764.8 1598.0,1511.2 1577.7,1424.2 1600.7,1395.3 1540.1,1347.1 1523.0,1173.1 1435.3,1141.0 1453.8,1117.9 1131.1,1120.4 1126.1,1117.5 1117.0,1117.5 1117.0,1112.3 1089.0,1096.2 1036.6,842.2 1074.3,688.3 1049.7,517.8 1065.7,172.1 1027.0,131.8 1032.7,89.2 912.8,73.8 880.5,43.4 484.2,114.5 148.7,50.2 141.8,82.5 105.5,86.6 55.9,297.0 102.7,386.2 115.3,636.9 53.0,851.4 101.1,974.5 50.2,1174.6 26.6,1476.6 46.4,1534.8 28.0,1557.8 28.3,1699.6 87.8,1808.4 172.6,1814.5 237.6,1866.3 360.0,1801.2 357.9,1778.3 705.4,1774.5 703.5,1791.2 701.7,1813.2 1218.0,1854.3 1227.2,1835.1 1341.5,1835.9 1340.5,1858.2 1603.0,1814.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[743.0,1250.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.01481879689172,44.43126071754375]}},{"type":"Feature","properties":{"resourceCoords":[1072.0,1817.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.01169270152792,44.43038860984573]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Belfast, Maine | 1923 | sanborn03430_006 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.35"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:53:56Z","modified":"2026-10-19T09:53:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"90.1,1820.1 36.6,1548.9 24.9,1046.1 77.7,727.9 40.6,595.1 21.8,239.2 68.4,104.5 717.9,89.4 858.1,39.0 1054.5,31.8 1320.5,91.1 1378.3,26.4 1522.2,257.8 1522.3,310.9 1532.1,311.8 1542.5,892.5 1524.0,894.0 1466.0,895.2 1406.3,902.8 1330.6,917.2 1298.3,928.5 1328.3,948.5 1279.7,1197.6 1253.1,1199.3 1249.0,1310.3 1250.8,1419.6 1262.4,1663.4 1267.7,1828.5 1112.2,1840.1 1112.0,1847.1 1112.0,1849.1 863.8,1847.0 809.6,1849.3 764.7,1845.0 724.0,1833.8 726.6,1824.2 142.2,1810.0 133.8,1854.8 90.1,1820.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734bm:g3734bm_g034301923:03430_1923-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[265.0,946.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.0148449528873,44.42237520728355]}},{"type":"Feature","properties":{"resourceCoords":[1258.0,1660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.00866837865676,44.42299109893569]}}]}}]}