{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03748_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Holbrook, Massachusetts | 1909 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"9"},{"label":"placed","value":"5"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 42.24528,-70.99991 +/-209m); p1__2 (tier 1, 42.16048,-71.00626 +/-197m); p2__2 (tier 1, 42.15549,-71.01204 +/-100m); p3__1 (tier 1, 42.15507,-71.00602 +/-146m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holbrook, Massachusetts | 1909 | sanborn03748_004 p2 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"},{"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":"2026-09-21T00:08:06Z","modified":"2026-09-21T00:08:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"225.5,1881.5 1543.0,1710.8 1562.9,1913.0 1613.0,1913.0 1613.0,0.0 657.7,0.0 648.0,390.0 0.0,384.4 -0.0,1468.2 190.1,1453.0 225.5,1881.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1106.0,715.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0081415,42.156828]}},{"type":"Feature","properties":{"resourceCoords":[226.0,1882.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0108994,42.1548863]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holbrook, Massachusetts | 1909 | sanborn03748_004 p3 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"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":"2026-09-21T00:08:06Z","modified":"2026-09-21T00:08:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,224.9 1418.3,221.9 1439.6,0.0 -0.0,-0.0 0.0,790.4 856.1,958.3 880.1,1913.0 1109.0,1913.0 1397.0,1913.0 1462.1,1913.0 1466.7,667.5 1607.1,663.9 1613.0,224.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1462.0,1308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.01138,42.153691]}},{"type":"Feature","properties":{"resourceCoords":[658.0,216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0132355,42.1558526]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holbrook, Massachusetts | 1909 | sanborn03748_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T00:08:06Z","modified":"2026-09-21T00:08:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"73.7,1692.7 26.5,1691.6 20.8,1913.0 -0.0,1913.0 -0.0,1388.3 75.5,1388.4 83.2,124.5 1613.0,77.1 1613.0,1730.3 1378.3,1724.6 1388.7,1806.7 72.8,1841.2 73.7,1692.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0114436759276,42.155139297771484]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.00743025803658,42.15493820336697]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.00774970742846,42.151384562723315]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01176312531948,42.15158565712783]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holbrook, Massachusetts | 1909 | sanborn03748_004 p5","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-21T00:08:06Z","modified":"2026-09-21T00:08:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1530.9,1359.8 1613.0,1345.2 1613.0,1913.0 0.0,1913.0 0.0,-0.0 1613.0,0.0 1613.0,47.3 1464.0,50.0 1530.9,1359.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[842.0,1398.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0083522,42.1503312]}},{"type":"Feature","properties":{"resourceCoords":[1464.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.01157,42.15171]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holbrook, Massachusetts | 1909 | sanborn03748_004 p6","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"}],"created":"2026-09-21T00:08:06Z","modified":"2026-09-21T00:08:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 -0.0,1913.0 -0.0,-0.0 1613.0,0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037481909:03748_1909-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[255.0,1540.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0116905,42.1255372]}},{"type":"Feature","properties":{"resourceCoords":[791.0,196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0095873,42.1274043]}}]}}]}