{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04109_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Middleville, Michigan | 1911 | 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":"4"},{"label":"placed","value":"1"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 42.71259,-85.46387 +/-100m); p1__3 (tier 4, 42.71259,-85.46387 +/-100m); p1__4 (tier 4, 42.71259,-85.46387 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g041091911:04109_1911-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Middleville, Michigan | 1911 | sanborn04109_003 p1 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.45"},{"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":"2026-10-18T02:06:23Z","modified":"2026-10-18T02:06:23Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g041091911:04109_1911-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g041091911:04109_1911-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1544.6,75.1 864.3,19.0 375.8,79.2 302.2,332.5 302.2,332.6 313.7,475.0 346.8,475.0 350.6,935.7 352.6,960.0 76.9,960.4 34.4,1036.7 71.6,1864.8 1557.5,1865.8 1599.9,1743.6 1586.3,943.5 1533.5,883.0 1380.0,879.9 1347.8,825.1 1301.9,761.8 1297.1,755.2 1233.0,666.9 1233.0,666.7 1228.3,621.3 1233.0,493.9 1233.0,418.0 1235.8,418.0 1235.8,416.2 1449.9,412.5 1594.3,335.0 1544.6,75.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114mm:g041091911:04109_1911-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1087.0,1153.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.4638086,42.7119696]}},{"type":"Feature","properties":{"resourceCoords":[602.0,1153.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.4645823,42.7126825]}}]}}]}