{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04113_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Millington, Michigan | 1898 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"2"},{"label":"placed","value":"1"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 43.28117,-83.52903 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g041131898:04113_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":"Millington, Michigan | 1898 | sanborn04113_001 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.68"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-18T01:50:30Z","modified":"2026-10-18T01:50:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g041131898:04113_1898-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g041131898:04113_1898-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.6,344.7 78.3,1887.3 215.8,1897.0 1607.0,1891.2 1603.5,1388.4 1523.3,1269.7 1606.3,920.2 1623.2,431.6 1541.7,44.3 564.4,17.3 465.1,333.1 465.3,343.0 462.1,343.0 461.2,345.8 75.6,344.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g041131898:04113_1898-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[528.0,870.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.5298097,43.2813387]}},{"type":"Feature","properties":{"resourceCoords":[528.0,393.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.5298361,43.2822731]}}]}}]}