{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05331_003.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Exeter, New-Hampshire | 1898 | key map | 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"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744em:g3744em_g053311898:05331_1898-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Exeter, New-Hampshire | 1898 | sanborn05331_003 p1 [1]","metadata":[{"label":"streets","value":"28"},{"label":"intersections","value":"25"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6878.4"},{"label":"split_canvas_h","value":"3902.5"}],"created":"2026-09-22T05:24:37Z","modified":"2026-09-22T05:24:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744em:g3744em_g053311898:05331_1898-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744em:g3744em_g053311898:05331_1898-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"23.4,975.6 701.3,975.5 1613,975.2 1613,0.0 1568.2,0.0 1392.3,0.0 408.3,0.0 185.5,0.0 0.0,0.0 -0.0,975.6 23.4,975.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744em:g3744em_g053311898:05331_1898-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1586.6,260.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9394798,42.9834719]}},{"type":"Feature","properties":{"resourceCoords":[800.9,459.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.958998,42.977668]}}]}}]}