{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/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://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 1613.0,-0.0 1613.0,1913.0 778.7,1913.0 798.2,1854.5 633.9,1846.0 646.1,1731.0 300.1,1767.5 292.6,1913.0 -0.0,1913.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1035.0,928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5887202,43.4421852]}},{"type":"Feature","properties":{"resourceCoords":[798.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5908544,43.4428957]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1118.6 1613.0,1457.6 1501.9,1434.1 1476.7,1592.5 1421.6,1567.8 1384.9,1913.0 -0.0,1913.0 -0.0,-0.0 1613.0,0.0 1613.0,824.7 1501.8,813.2 1477.2,1097.6 1613.0,1118.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.59021412172618,43.445779220046866]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.59057516740711,43.44229279505171]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.5945956927863,43.442515381370676]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0004__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744tm:g3744tm_g053901899:05390_1899-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 508.0,1913.0 506.6,898.4 0.0,898.7 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[0.0,898.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.58914454144126,43.44514273002222]}},{"type":"Feature","properties":{"resourceCoords":[508.0,898.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.58900967621754,43.446048148940804]}},{"type":"Feature","properties":{"resourceCoords":[508.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.58651479935168,43.44585275770224]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.58664966457539,43.444947338783656]}},{"type":"Feature","properties":{"resourceCoords":[127.0,1057.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5887203,43.4453385]}}]}}]}