{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03750_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Holliston, Massachusetts | 1888 | 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":"10"},{"label":"placed","value":"6"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 6"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 42.20016,-71.42742 +/-400m); p1__3 (tier 4, 42.20016,-71.42742 +/-400m); p3__2 (tier 4, 42.20016,-71.42742 +/-400m); p4__2 (tier 4, 42.20016,-71.42742 +/-400m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holliston, Massachusetts | 1888 | sanborn03750_001 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.22"},{"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":"2026-10-19T21:46:25Z","modified":"2026-10-19T21:46:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"904.7,1912.0 1552.8,1912.0 1569.1,1372.0 1255.7,1408.2 1249.0,1405.0 1249.0,1405.0 1249.0,1405.0 1249.0,1405.0 1207.0,1270.1 1190.4,1217.0 1106.5,971.1 933.7,933.6 809.0,934.5 809.0,906.5 780.9,900.4 751.7,121.2 365.6,132.1 82.5,52.2 41.0,390.7 132.7,1739.8 47.2,1745.3 191.3,1791.9 182.0,1829.0 351.2,1842.7 778.9,1831.5 904.7,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[875.0,1829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.4271756,42.2021153]}},{"type":"Feature","properties":{"resourceCoords":[182.0,1829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.4289379,42.2021762]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holliston, Massachusetts | 1888 | sanborn03750_001 p2 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.51"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6127.6"},{"label":"split_canvas_w","value":"3631.6"},{"label":"split_canvas_h","value":"1524.4"}],"created":"2026-10-19T21:46:25Z","modified":"2026-10-19T21:46:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1860.6 1.0,1862.4 27.6,1875.0 28.6,1909.5 696.5,1907.9 694.7,1912.0 841.1,1912.0 862.2,1896.7 707.4,1855.1 780.2,1715.1 190.2,1576.6 24.1,1678.6 69.5,1689.8 16.9,1840.4 1.0,1860.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1531.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.42754077972359,42.200108298460265]}},{"type":"Feature","properties":{"resourceCoords":[907.9,1531.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.425459374888,42.200764785739565]}},{"type":"Feature","properties":{"resourceCoords":[907.9,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.4250850169783,42.20011875841186]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.42716642181388,42.19946227113256]}},{"type":"Feature","properties":{"resourceCoords":[658.9,1842.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.425726,42.200058]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holliston, Massachusetts | 1888 | sanborn03750_001 p2 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.67"},{"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":"2026-10-19T21:46:25Z","modified":"2026-10-19T21:46:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1597.0,1895.2 1597.0,1883.0 1612.0,1882.0 1612.0,1775.4 1533.2,1776.3 1510.2,1634.8 1587.8,1408.2 1567.7,1254.0 1523.2,1264.0 1612.0,1121.0 1612.0,161.4 1548.2,162.3 1420.0,82.9 993.9,100.2 825.0,89.0 833.8,51.9 689.4,7.5 355.0,33.6 47.5,145.3 47.9,1438.4 138.9,1525.7 96.7,1535.4 233.2,1586.6 277.5,1510.4 497.1,1572.5 492.2,1587.0 1004.8,1740.5 1430.6,1868.0 1577.8,1912.0 1597.0,1895.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[538.0,1454.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.429882,42.199632]}},{"type":"Feature","properties":{"resourceCoords":[825.0,89.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.4289379,42.2021762]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holliston, Massachusetts | 1888 | sanborn03750_001 p3 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.65"},{"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":"2026-10-19T21:46:25Z","modified":"2026-10-19T21:46:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"385.0,358.1 396.2,356.3 385.0,814.6 385.0,874.0 383.5,875.2 383.4,881.8 46.1,1178.9 18.9,1396.6 83.5,1861.4 1549.1,1855.8 1612.0,1055.0 1612.0,1044.3 1587.5,306.5 1612.0,292.4 1612.0,205.5 1538.2,1.0 1535.3,1.0 1173.0,88.0 622.2,220.3 619.1,204.3 385.0,264.3 385.0,358.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[664.0,1162.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.431195,42.197944]}},{"type":"Feature","properties":{"resourceCoords":[1173.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.4287369,42.1990372]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holliston, Massachusetts | 1888 | sanborn03750_001 p4 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.62"},{"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":"2026-10-19T21:46:25Z","modified":"2026-10-19T21:46:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"160.5,1072.1 148.6,1095.8 15.4,1164.9 54.0,1877.8 1314.6,1873.2 1026.8,1131.3 1026.3,1130.1 1026.3,1130.1 1026.0,1129.3 1573.5,923.0 1572.7,412.7 1096.9,373.4 1095.4,368.0 1094.8,368.0 1094.8,365.8 1003.4,27.7 186.5,44.0 160.6,98.5 1.0,112.9 1.0,1106.9 160.5,1072.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[382.0,1722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.424787,42.198915]}},{"type":"Feature","properties":{"resourceCoords":[82.0,422.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.425278,42.201292]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0004__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holliston, Massachusetts | 1888 | sanborn03750_001 p4 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.47"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4105.2"},{"label":"split_canvas_y","value":"3652.8"},{"label":"split_canvas_w","value":"2346.8"},{"label":"split_canvas_h","value":"3999.2"}],"created":"2026-10-19T21:46:25Z","modified":"2026-10-19T21:46:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0004__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1098.4,1159.3 1119.4,1344.0 1159.1,1435.3 1182.0,1428.5 1404.2,1862.3 1577.0,1845.5 1591.2,1082.1 1542.9,951.4 1341.9,1014.3 1372.5,1119.5 1347.9,1159.2 1190.5,1159.2 1098.4,1159.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501888:03750_1888-0004__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1026.3,913.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.42784311759253,42.199276576616825]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,913.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.4264702232688,42.19890281311873]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.42733328521547,42.197177309699825]}},{"type":"Feature","properties":{"resourceCoords":[1026.3,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.4287061795392,42.19755107319792]}},{"type":"Feature","properties":{"resourceCoords":[1402.1,1159.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.4271768,42.1986129]}}]}}]}