{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn05390_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Tilton, New-Hampshire | 1899 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"9"},{"label":"placed","value":"3"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 43.44582,-71.59185 +/-121m); p1__2 (tier 4, 43.44408,-71.58964 +/-224m); p1__3 (tier 1, 43.54973,-71.46596 +/-147m); p1__4 (tier 4, 43.44408,-71.58964 +/-224m); p4__1 (tier 1, 43.44411,-71.59338 +/-102m); p4__2 (tier 2, 43.44311,-71.59394 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Tilton, New-Hampshire | 1899 | sanborn05390_003 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"9"}],"created":"2026-09-22T18:21:17Z","modified":"2026-09-22T18:21:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 6452.0,-0.0 6452.0,7652.0 3114.8,7652.0 3192.8,7418.0 2535.4,7384.1 2584.5,6924.0 1200.3,7070.0 1170.5,7652.0 -0.0,7652.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4140.0,3712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5887202,43.4421852]}},{"type":"Feature","properties":{"resourceCoords":[3192.0,7416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5908544,43.4428957]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Tilton, New-Hampshire | 1899 | sanborn05390_003 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T18:21:17Z","modified":"2026-09-22T18:21:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,4474.5 6452.0,5830.5 6007.6,5736.4 5906.8,6370.0 5686.3,6271.0 5539.5,7652.0 -0.0,7652.0 -0.0,-0.0 6452.0,0.0 6452.0,3298.7 6007.1,3252.7 5908.7,4390.4 6452.0,4474.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.59423464710537,43.44600180636583]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.59021412172618,43.445779220046866]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.59057516740711,43.44229279505171]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.5945956927863,43.442515381370676]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0004__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Tilton, New-Hampshire | 1899 | sanborn05390_003 p4 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3593.6"},{"label":"split_canvas_w","value":"2032.0"},{"label":"split_canvas_h","value":"4058.4"}],"created":"2026-09-22T18:21:17Z","modified":"2026-09-22T18:21:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0004__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 2032.0,7652.0 2026.4,3593.6 0.0,3594.8 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0004__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,3593.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.58914454144126,43.44514273002222]}},{"type":"Feature","properties":{"resourceCoords":[2032.0,3593.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.58900967621754,43.446048148940804]}},{"type":"Feature","properties":{"resourceCoords":[2032.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.58651479935168,43.44585275770224]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.58664966457539,43.444947338783656]}},{"type":"Feature","properties":{"resourceCoords":[508.0,4229.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5887203,43.4453385]}}]}}]}