{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03771_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Lunenburg, Massachusetts | 1936 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"7"},{"label":"placed","value":"3"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 42.57980,-71.74633 +/-2489m); p1__3 (tier 4, 42.57980,-71.74633 +/-2489m); p2__2 (tier 4, 42.57980,-71.74633 +/-2489m); p3__2 (tier 4, 42.57980,-71.74633 +/-2489m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037711936:03771_1936-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lunenburg, Massachusetts | 1936 | sanborn03771_001 p1 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.33"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1388.8"},{"label":"split_canvas_w","value":"5417.2"},{"label":"split_canvas_h","value":"6263.2"}],"created":"2026-10-20T00:23:09Z","modified":"2026-10-20T00:23:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037711936:03771_1936-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037711936:03771_1936-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"672.0,673.4 300.5,493.3 28.2,402.8 27.0,644.0 55.4,746.4 36.5,832.8 75.7,872.3 17.1,1050.3 8.1,1299.3 24.6,1653.3 70.7,1884.3 125.8,1892.5 422.1,1896.5 1340.2,1864.3 1243.5,1221.6 1240.8,1204.5 1096.8,691.2 1128.4,665.1 672.0,673.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037711936:03771_1936-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[607.1,992.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.766588,42.570347]}},{"type":"Feature","properties":{"resourceCoords":[485.1,1145.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.766475,42.56964]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037711936:03771_1936-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lunenburg, Massachusetts | 1936 | sanborn03771_001 p2 [1]","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"18"},{"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":"2026-10-20T00:23:09Z","modified":"2026-10-20T00:23:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037711936:03771_1936-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037711936:03771_1936-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"88.5,1833.0 1346.0,1882.5 1554.2,1840.8 1523.7,1753.6 1558.0,1702.4 1571.8,1436.0 1545.0,517.1 1580.6,446.9 1556.8,416.1 1555.3,202.2 1491.0,136.4 1252.0,126.1 1140.6,44.6 1033.1,17.0 560.5,36.7 463.8,124.8 464.7,636.6 410.0,770.5 393.8,770.6 378.2,770.8 377.8,770.8 59.1,800.6 32.4,843.1 29.9,1615.1 88.5,1716.6 59.0,1797.2 88.5,1833.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037711936:03771_1936-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[901.0,993.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.749338,42.5742369]}},{"type":"Feature","properties":{"resourceCoords":[1157.0,993.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7485332,42.5735544]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037711936:03771_1936-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lunenburg, Massachusetts | 1936 | sanborn03771_001 p3 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.44"},{"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":"2026-10-20T00:23:09Z","modified":"2026-10-20T00:23:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037711936:03771_1936-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037711936:03771_1936-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"633.6,511.3 572.5,578.1 252.9,571.3 186.7,579.4 143.9,622.4 60.5,619.7 12.8,1062.8 22.1,1825.5 51.6,1867.3 253.0,1828.1 323.3,1854.0 402.1,1819.7 547.9,1827.8 696.8,1881.1 1322.4,1889.3 1398.6,1876.9 1414.9,1837.2 1558.8,1767.8 1558.8,1663.3 1522.4,1630.5 1602.2,1102.8 1577.2,698.6 1531.2,653.5 1554.5,543.3 1406.2,452.4 1340.2,334.9 1429.8,218.9 1503.3,185.3 1487.7,168.6 1542.9,97.1 1515.4,71.2 1267.8,84.2 1164.0,27.8 933.2,25.2 792.2,96.9 675.5,106.5 631.9,163.1 605.6,418.4 633.6,511.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764lm:g037711936:03771_1936-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1100.0,1022.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7230066,42.5936626]}},{"type":"Feature","properties":{"resourceCoords":[1106.0,-489.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7171619,42.5969597]}}]}}]}