{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03831_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Rochdale, Massachusetts | 1911 | 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":"10"},{"label":"placed","value":"3"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 42.19609,-71.90839 +/-924m); p1__2 (tier 1, 42.19251,-71.90709 +/-196m); p2__1 (tier 1, 42.17388,-71.60541 +/-229m); p2__2 (tier 1, 42.20576,-71.91692 +/-218m); p5__2 (tier 4, 42.19609,-71.90839 +/-924m); p6__1 (tier 2, 42.19598,-71.90425 +/-100m); p6__2 (tier 1, 42.19894,-71.89980 +/-186m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g03831001:sb000030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rochdale, Massachusetts | 1911 | sanborn03831_001 p3","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T22:47:00Z","modified":"2026-09-21T22:47:00Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g03831001:sb000030/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g03831001:sb000030/info.json","type":"ImageService2","height":7732,"width":6572},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7732.0 -0.0,0.0 6572.0,0.0 6572.0,7732.0 -0.0,7732.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g03831001:sb000030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1348.0,1628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.9173276,42.2025988]}},{"type":"Feature","properties":{"resourceCoords":[1040.0,6096.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.915419,42.201044]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g03831001:sb000040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rochdale, Massachusetts | 1911 | sanborn03831_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:47:00Z","modified":"2026-09-21T22:47:00Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g03831001:sb000040/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g03831001:sb000040/info.json","type":"ImageService2","height":7736,"width":6556},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5934.2,1609.5 6148.9,4923.8 5716.8,6506.1 5989.5,7736.0 -0.0,7736.0 -0.0,-0.0 6556.0,-0.0 6556.0,1466.0 5934.2,1609.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g03831001:sb000040/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.90398226559867,42.1962416702225]}},{"type":"Feature","properties":{"resourceCoords":[6556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.90225207782834,42.193515229489854]}},{"type":"Feature","properties":{"resourceCoords":[6556.0,7736.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.90656404749267,42.191991988440456]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7736.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.908294235263,42.1947184291731]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g03831001:sb000050__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rochdale, Massachusetts | 1911 | sanborn03831_001 p5 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6520.0"},{"label":"split_canvas_h","value":"7728.0"}],"created":"2026-09-21T22:47:00Z","modified":"2026-09-21T22:47:00Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g03831001:sb000050__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g03831001:sb000050/info.json","type":"ImageService2","height":7728,"width":6520},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6520.0,7728.0 6520.0,6140.4 4835.6,6138.8 4863.6,4523.6 6520.0,4523.6 6520.0,-0.0 1253.8,-0.0 753.4,3223.6 -0.0,4644.3 -0.0,7728.0 6520.0,7728.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g03831001:sb000050__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4860.0,856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.902338,42.191891]}},{"type":"Feature","properties":{"resourceCoords":[1208.0,856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.903755,42.193228]}}]}}]}