{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03673_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Amesbury, Massachusetts | 1894 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"22"},{"label":"placed","value":"12"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef-snap 7, georef 4, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 15 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 42.85788,-70.93553 +/-228m); p10__1 (tier 1, 42.85447,-70.93352 +/-172m); p11__1 (tier 1, 42.86586,-70.92735 +/-100m); p11__2 (tier 1, 42.86577,-70.92861 +/-100m); p11__3 (tier 1, 42.86443,-70.92803 +/-100m); p11__4 (tier 1, 42.86452,-70.92785 +/-134m); p12__1 (tier 1, 42.85440,-70.92843 +/-100m); p12__2 (tier 2, 42.85643,-70.93828 +/-100m); p12__4 (tier 1, 42.85566,-70.93080 +/-117m); p4__2 (tier 1, 42.85971,-70.92797 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Amesbury, Massachusetts | 1894 | sanborn03673_003 p10 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"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":"5780.4"}],"created":"2026-09-22T07:57:41Z","modified":"2026-09-22T07:57:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1445.1 1613.0,1438.1 1613.0,520.6 1172.0,561.8 1162.1,67.2 377.4,87.5 178.8,165.9 -0.0,125.8 -0.0,1445.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1188.0,1108.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.932048,42.852892]}},{"type":"Feature","properties":{"resourceCoords":[1188.0,759.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.932393,42.853488]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0012__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Amesbury, Massachusetts | 1894 | sanborn03673_003 p12 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3382.4"},{"label":"split_canvas_w","value":"3441.2"},{"label":"split_canvas_h","value":"1823.2"}],"created":"2026-09-22T07:57:41Z","modified":"2026-09-22T07:57:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0012__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1301.4 860.3,1290.3 857.7,845.6 0.0,860.5 0.0,1301.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0012__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,845.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.92269430128093,42.85725289676044]}},{"type":"Feature","properties":{"resourceCoords":[860.3,845.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.92083126921177,42.85811338169172]}},{"type":"Feature","properties":{"resourceCoords":[860.3,1301.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.92021322025373,42.8573841366175]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1301.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.92207625232288,42.85652365168622]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0012__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Amesbury, Massachusetts | 1894 | sanborn03673_003 p12 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5161.2"},{"label":"split_canvas_w","value":"3454.8"},{"label":"split_canvas_h","value":"2490.8"}],"created":"2026-09-22T07:57:41Z","modified":"2026-09-22T07:57:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0012__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"682.0,1913.0 863.7,1913.0 860.3,1290.3 0.0,1301.4 -0.0,1913.0 682.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0012__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1290.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93946519117318,42.85629367669619]}},{"type":"Feature","properties":{"resourceCoords":[863.7,1290.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93805207930859,42.85751417997948]}},{"type":"Feature","properties":{"resourceCoords":[863.7,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93685567156258,42.85676465711271]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93826878342718,42.85554415382942]}},{"type":"Feature","properties":{"resourceCoords":[154.9,1495.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.938818,42.856266]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Amesbury, Massachusetts | 1894 | sanborn03673_003 p2","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:57:41Z","modified":"2026-09-22T07:57:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 1613.0,1870.5 1613.0,1913.0 1004.7,1913.0 939.3,1334.8 489.2,1641.0 178.8,970.5 224.1,458.5 354.7,75.1 330.2,0.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9320965,42.8609286]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.930084,42.8635253]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9258825,42.8617758]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.927895,42.8591791]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Amesbury, Massachusetts | 1894 | sanborn03673_003 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:57:41Z","modified":"2026-09-22T07:57:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,708.9 1425.9,1118.8 1338.8,1642.7 961.1,1765.5 91.7,1865.8 91.3,1821.4 166.0,1803.7 223.7,1613.7 74.5,1040.4 53.2,266.4 -0.0,-0.0 1613.0,0.0 1613.0,708.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93465045803403,42.85900304567975]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93315339748143,42.861877062765785]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.92853596658925,42.86056640437054]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93003302714185,42.8576923872845]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Amesbury, Massachusetts | 1894 | sanborn03673_003 p4 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"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":"2026-09-22T07:57:41Z","modified":"2026-09-22T07:57:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"385.3,1913.0 1141.0,1913.0 1417.0,1913.0 1613.0,1913.0 1613.0,740.4 1108.6,733.0 1108.5,624.4 892.3,25.9 890.1,95.3 510.2,246.0 293.9,285.2 381.6,956.7 478.5,975.8 385.3,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[927.0,1321.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.926585,42.859378]}},{"type":"Feature","properties":{"resourceCoords":[294.0,285.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.929635,42.859111]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Amesbury, Massachusetts | 1894 | sanborn03673_003 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:57:41Z","modified":"2026-09-22T07:57:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"597.1,1913.0 567.6,1283.7 341.2,1294.3 169.2,75.3 -0.0,100.1 -0.0,0.0 1613.0,0.0 1613.0,1913.0 597.1,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.92475467030002,42.860364121606175]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.92135384636053,42.85874563417696]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.92395405290391,42.855768167990526]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9273548768434,42.85738665541974]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Amesbury, Massachusetts | 1894 | sanborn03673_003 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:57:41Z","modified":"2026-09-22T07:57:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 0.0,1913.0 0.0,951.0 83.1,881.7 277.9,571.1 236.2,179.8 359.7,128.2 523.7,122.0 634.8,165.1 742.6,271.0 770.6,235.2 1362.5,80.5 1515.3,739.2 1613.0,749.1 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93154300050954,42.856983468390276]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.92949286034751,42.85959160698457]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.92530276507782,42.85779666040874]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.92735290523984,42.85518852181444]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Amesbury, Massachusetts | 1894 | sanborn03673_003 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:57:41Z","modified":"2026-09-22T07:57:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"142.4,0.0 1283.7,0.0 1311.1,188.7 1278.1,1013.4 1389.3,1609.6 1316.7,1799.6 1239.2,1812.3 1084.5,1677.2 813.8,1628.2 367.6,1022.0 145.8,779.9 0.0,681.2 0.0,553.8 186.2,407.1 340.2,383.4 142.4,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93546155770962,42.8566970460033]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93426992096815,42.85957266984141]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.92965007488708,42.85852936875599]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93084171162855,42.85565374491787]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Amesbury, Massachusetts | 1894 | sanborn03673_003 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:57:41Z","modified":"2026-09-22T07:57:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"551.6,1855.4 372.3,1820.0 223.3,1740.0 155.1,1634.4 147.3,1111.2 263.9,408.9 228.5,310.1 309.8,359.3 630.3,110.9 1008.1,113.4 1113.9,148.7 1354.5,-0.0 1613.0,-0.0 1613.0,1876.5 1107.7,1842.3 551.6,1855.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93042972172657,42.857999823305256]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.92855897850716,42.85542026297628]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93270306615679,42.85378234502784]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9345738093762,42.85636190535681]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Amesbury, Massachusetts | 1894 | sanborn03673_003 p9 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"8"},{"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":"2026-09-22T07:57:41Z","modified":"2026-09-22T07:57:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"450.4,1913.0 1204.3,1913.0 1210.6,1082.1 1613.0,1079.5 1613.0,933.0 1498.3,764.3 1315.4,37.2 769.7,215.1 499.7,196.4 418.8,130.6 365.1,242.9 141.8,285.2 -0.0,237.6 -0.0,1231.7 515.0,1860.4 450.4,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[537.0,715.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.935272,42.855902]}},{"type":"Feature","properties":{"resourceCoords":[537.0,241.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9340375,42.8560672]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Amesbury, Massachusetts | 1894 | sanborn03673_003 p9 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"4817.2"},{"label":"split_canvas_y","value":"4318.0"},{"label":"split_canvas_w","value":"1634.8"},{"label":"split_canvas_h","value":"3334.0"}],"created":"2026-09-22T07:57:41Z","modified":"2026-09-22T07:57:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,1079.5 1300.4,1081.5 1262.5,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764am:g036731894:03673_1894-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1204.3,1079.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93583831272623,42.854833331281235]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1079.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93556796637364,42.85409441353793]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93760895569545,42.85368744450652]}},{"type":"Feature","properties":{"resourceCoords":[1204.3,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93787930204805,42.854426362249825]}}]}}]}