{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03456_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Dexter, Maine | 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":"11"},{"label":"placed","value":"8"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef-snap 7, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__3 (tier 1, 45.01421,-69.29195 +/-116m); p4__1 (tier 1, 45.02989,-69.28732 +/-160m); p6__1 (tier 1, 45.01679,-69.29186 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dexter, Maine | 1911 | sanborn03456_005 p1 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.24"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3826.8"},{"label":"split_canvas_w","value":"3981.2"},{"label":"split_canvas_h","value":"3825.2"}],"created":"2026-10-19T13:55:47Z","modified":"2026-10-19T13:55:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"973.6,1008.2 68.6,976.5 46.5,1048.0 7.0,1030.4 1.0,1776.3 1.0,1910.9 985.7,1905.7 973.6,1008.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,956.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.28880242913749,45.01337370173649]}},{"type":"Feature","properties":{"resourceCoords":[995.3,956.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.28622073345618,45.01336401862414]}},{"type":"Feature","properties":{"resourceCoords":[995.3,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.28623381518013,45.01159622015691]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.28881551086144,45.01160590326926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dexter, Maine | 1911 | sanborn03456_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:55:47Z","modified":"2026-10-19T13:55:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"628.3,1912.0 588.4,1912.0 595.0,1836.9 202.6,1766.6 204.0,1746.8 79.6,1668.0 115.5,1666.7 116.0,1593.3 46.3,1555.0 34.5,1338.8 63.6,56.1 667.9,19.2 943.2,34.2 1024.7,113.0 1525.8,98.8 1583.3,572.7 1518.5,1104.2 1581.6,1547.1 1611.0,1541.4 1412.8,1707.4 1397.1,1711.7 628.3,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[247.0,1344.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.28868097921732,45.02642705671292]}},{"type":"Feature","properties":{"resourceCoords":[676.0,422.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.28686269086283,45.027895305872185]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dexter, Maine | 1911 | sanborn03456_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:55:47Z","modified":"2026-10-19T13:55:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1458.5,1030.2 1612.0,1441.0 1612.0,1657.0 1588.2,1661.0 1528.1,1850.9 1212.5,1772.8 1217.2,1802.1 820.2,1805.1 817.1,1793.5 363.2,1821.5 133.0,1793.8 131.0,1715.3 68.5,1688.0 38.4,842.2 133.3,128.1 271.9,124.8 351.5,54.6 887.4,29.7 1019.3,111.0 1017.9,131.8 1432.7,200.8 1425.4,291.0 1381.3,738.1 1367.2,957.5 1445.9,954.4 1458.5,1030.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.29152476498905,45.02644076686783]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.28755562718705,45.02558893392848]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.28897494992245,45.02223827167968]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.29294408772445,45.02309010461903]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dexter, Maine | 1911 | sanborn03456_005 p4 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T13:55:47Z","modified":"2026-10-19T13:55:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"766.6,63.8 319.4,95.1 107.6,33.0 81.7,250.1 143.0,423.1 235.0,451.6 252.7,475.9 203.8,520.8 558.8,631.9 564.8,640.8 573.5,643.2 573.5,653.7 619.6,722.0 660.9,1370.1 579.5,1641.9 633.4,1845.2 1553.3,1877.7 1593.1,1411.9 1480.2,1158.7 1480.4,1141.2 1501.0,244.2 1075.4,72.7 878.5,1.0 863.0,1.0 844.6,73.4 766.6,63.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1476.0,1134.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.285980843544,45.025124722718004]}},{"type":"Feature","properties":{"resourceCoords":[1476.0,212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.28831496688663,45.02513392733455]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dexter, Maine | 1911 | sanborn03456_005 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:55:47Z","modified":"2026-10-19T13:55:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"161.8,1912.0 17.1,1665.6 13.2,1666.0 6.8,1423.6 7.1,1154.5 9.4,725.3 33.0,386.1 43.5,388.0 38.2,77.4 99.5,24.2 386.9,14.4 1090.7,41.8 1164.4,108.0 1226.1,49.9 1505.5,71.8 1577.7,130.9 1586.4,480.4 1591.9,480.8 1546.6,704.4 1538.4,1152.0 1526.7,1154.0 1498.5,1543.7 1527.6,1541.4 1426.2,1844.9 1379.7,1826.0 180.3,1875.8 185.3,1912.0 161.8,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.29463370908874,45.02052491164794]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.2937440092422,45.023455769737254]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.28886081795524,45.02270467317449]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.28975051780178,45.01977381508517]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dexter, Maine | 1911 | sanborn03456_005 p6 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"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":"2026-10-19T13:55:47Z","modified":"2026-10-19T13:55:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"88.9,1133.3 213.3,1170.2 564.0,1385.8 705.0,1453.6 1074.3,1681.2 1538.5,1912.0 1560.6,1912.0 1590.9,1912.0 1495.4,869.9 1389.4,506.3 1181.7,60.2 746.8,86.8 401.6,85.6 402.8,74.8 88.6,101.2 95.7,108.4 46.0,1033.3 88.9,1133.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[968.0,717.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.29267950742084,45.01904407096531]}},{"type":"Feature","properties":{"resourceCoords":[388.0,220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.29375940423178,45.020205280968746]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dexter, Maine | 1911 | sanborn03456_005 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:55:47Z","modified":"2026-10-19T13:55:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"246.6,945.9 214.6,574.3 100.2,103.3 366.9,138.8 607.9,164.1 608.0,160.2 870.8,48.1 873.8,24.6 1394.0,22.4 1571.1,125.0 1549.8,749.5 1612.0,1145.9 1612.0,1150.5 1564.8,1810.7 494.1,1878.7 500.2,1866.8 159.7,1760.0 246.6,945.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[728.0,924.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.29022568415337,45.01847742320148]}},{"type":"Feature","properties":{"resourceCoords":[257.0,924.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.29145240494992,45.01854960853724]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dexter, Maine | 1911 | sanborn03456_005 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T13:55:47Z","modified":"2026-10-19T13:55:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1609.8,145.3 1498.7,532.1 1471.8,682.7 1354.2,1090.2 1258.5,1587.8 1272.2,1637.2 1468.7,1562.6 1527.0,1912.0 1491.2,1873.9 427.1,1873.9 148.8,1781.4 117.4,1647.5 49.0,1647.0 42.5,144.1 83.8,59.0 1352.6,18.1 1460.9,28.0 1512.7,98.3 1612.0,18.6 1609.8,145.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034561911:03456_1911-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1478.0,561.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.29411946273996,45.0180176980545]}},{"type":"Feature","properties":{"resourceCoords":[1237.0,1673.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.29195963951562,45.016550332807945]}}]}}]}