{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03955_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Central Lake, Michigan | 1901 | 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":"8"},{"label":"placed","value":"4"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p2__2 (tier 2, 45.07134,-85.26268 +/-100m); p2__3 (tier 2, 45.07134,-85.26268 +/-100m); p2__5 (tier 2, 45.07134,-85.26268 +/-100m); p2__6 (tier 2, 45.07134,-85.26268 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Central Lake, Michigan | 1901 | sanborn03955_001 p1 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.71"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6480.0"},{"label":"split_canvas_w","value":"2464.0"},{"label":"split_canvas_h","value":"1228.0"}],"created":"2026-10-18T16:54:28Z","modified":"2026-10-18T16:54:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"350.3,1926.0 521.8,1926.0 521.8,1620.0 499.3,1620.0 497.9,1652.7 287.2,1700.7 217.2,1665.3 174.8,1728.2 105.0,1657.8 85.5,1718.2 55.7,1733.2 40.1,1714.6 28.0,1636.4 12.6,1923.6 350.3,1926.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1620.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.26818474425478,45.07019916769089]}},{"type":"Feature","properties":{"resourceCoords":[616.0,1620.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.26650752898887,45.070204888287165]}},{"type":"Feature","properties":{"resourceCoords":[616.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.26650349761805,45.06961374510567]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.26818071288396,45.06960802450939]}},{"type":"Feature","properties":{"resourceCoords":[522.0,1648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2667631,45.0701501]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Central Lake, Michigan | 1901 | sanborn03955_001 p1 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.81"},{"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":"2026-10-18T16:54:28Z","modified":"2026-10-18T16:54:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"90.3,1302.4 58.0,1304.3 105.3,1536.2 192.1,1612.4 610.8,1617.7 611.8,1620.0 616.0,1620.0 616.0,1629.4 707.6,1835.5 992.0,1864.9 1551.0,1796.2 1627.0,1052.2 1627.0,1048.3 1579.9,823.6 1600.2,113.7 1343.0,34.1 159.3,80.7 70.8,252.9 59.5,993.3 82.2,992.7 90.3,1302.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1038.0,605.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2641684,45.0709023]}},{"type":"Feature","properties":{"resourceCoords":[93.0,1407.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2667589,45.0694158]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Central Lake, Michigan | 1901 | sanborn03955_001 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.09"},{"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":"3702.4"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-18T16:54:28Z","modified":"2026-10-18T16:54:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"97.5,296.7 55.6,1226.4 85.6,1585.1 94.9,1623.7 233.2,1647.5 265.4,1708.1 245.8,1843.3 308.4,1848.7 321.5,1809.5 427.4,1824.9 631.0,1552.3 630.9,1115.8 494.0,979.4 493.6,979.2 493.6,979.0 490.8,976.2 493.6,616.1 493.8,616.1 536.4,616.5 567.0,616.8 669.7,617.8 772.3,576.9 792.5,438.1 720.0,397.7 696.1,395.6 554.5,394.5 493.6,394.0 493.6,383.8 493.6,378.1 465.9,375.8 449.8,75.0 294.9,37.7 165.0,43.8 136.6,302.2 97.5,296.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[120.0,543.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2628614,45.0661575]}},{"type":"Feature","properties":{"resourceCoords":[187.9,47.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2628814,45.067987]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0002__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Central Lake, Michigan | 1901 | sanborn03955_001 p2 [4]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.78"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3658.8"},{"label":"split_canvas_y","value":"1590.0"},{"label":"split_canvas_w","value":"2853.2"},{"label":"split_canvas_h","value":"2408.4"}],"created":"2026-10-18T16:54:28Z","modified":"2026-10-18T16:54:28Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0002__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1532.2,998.6 1557.6,998.6 1543.6,511.3 1518.0,511.3 1388.4,533.3 945.5,461.6 993.0,641.9 936.8,766.1 956.3,994.7 1482.8,990.8 1483.5,998.6 1532.2,998.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039551901:03955_1901-0002__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1134.5,511.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2641293,45.067982]}},{"type":"Feature","properties":{"resourceCoords":[1587.0,511.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.2628814,45.067987]}}]}}]}