{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08935_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Northfield, Vermont | 1885 | 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":"8"},{"label":"placed","value":"2"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p2__2 (tier 4, 44.20309,-72.61683 +/-6894m); p2__3 (tier 4, 44.20309,-72.61683 +/-6894m); p2__4 (tier 4, 44.20309,-72.61683 +/-6894m); p2__5 (tier 1, 44.19423,-72.50632 +/-103m); p2__6 (tier 4, 44.20309,-72.61683 +/-6894m); p2__7 (tier 4, 44.20309,-72.61683 +/-6894m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd375m:g3754m:g3754nm:g089351885:08935_1885-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Northfield, Vermont | 1885 | sanborn08935_001 p1","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-21T07:24:56Z","modified":"2026-09-21T07:24:56Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd375m:g3754m:g3754nm:g089351885:08935_1885-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd375m:g3754m:g3754nm:g089351885:08935_1885-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 -0.0,7652.0 -0.0,-0.0 6452.0,0.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd375m:g3754m:g3754nm:g089351885:08935_1885-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3536.0,5436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6563529,44.1473525]}},{"type":"Feature","properties":{"resourceCoords":[3536.0,7340.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.656386,44.146484]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd375m:g3754m:g3754nm:g089351885:08935_1885-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Northfield, Vermont | 1885 | sanborn08935_001 p2 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3126.4"},{"label":"split_canvas_h","value":"3790.0"}],"created":"2026-09-21T07:24:56Z","modified":"2026-09-21T07:24:56Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd375m:g3754m:g3754nm:g089351885:08935_1885-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd375m:g3754m:g3754nm:g089351885:08935_1885-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 0.0,3756.4 1703.6,3780.8 2283.6,3790.0 2279.6,2355.2 3095.2,2358.0 3126.4,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd375m:g3754m:g3754nm:g089351885:08935_1885-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.57715612639983,44.25921359740623]}},{"type":"Feature","properties":{"resourceCoords":[3126.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.5755964891012,44.2583213796855]}},{"type":"Feature","properties":{"resourceCoords":[3126.4,3790.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.57710658909768,44.25696715127871]}},{"type":"Feature","properties":{"resourceCoords":[0.0,3790.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.57866622639631,44.25785936899944]}},{"type":"Feature","properties":{"resourceCoords":[1383.3,1727.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.577155,44.258201]}}]}}]}