{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04147_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Pentwater, Michigan | 1899 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"9"},{"label":"placed","value":"3"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 43.77943,-86.43261 +/-352m); p1__2 (tier 1, 43.61174,-86.36194 +/-160m); p2 (tier 2, 43.77914,-86.43224 +/-320m); p5__1 (tier 1, 43.77773,-86.42882 +/-118m); p5__2 (tier 1, 43.77780,-86.43362 +/-114m); p5__3 (tier 1, 43.77541,-86.43027 +/-206m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114pm:g041471899:04147_1899-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Pentwater, Michigan | 1899 | sanborn04147_003 p1 [3]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2962.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"4746.0"}],"created":"2026-10-20T03:33:29Z","modified":"2026-10-20T03:33:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114pm:g041471899:04147_1899-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114pm:g041471899:04147_1899-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1538.8,1476.0 1519.2,1009.6 1252.7,940.8 1252.6,939.0 1251.9,939.0 1251.9,938.9 1252.0,929.2 1243.9,797.4 331.6,764.5 195.8,816.3 89.8,975.4 48.3,1751.1 107.2,1879.6 452.2,1911.7 996.8,1812.2 1098.6,1925.9 1472.0,1921.8 1513.7,1799.2 1627.0,1798.0 1627.0,1461.0 1538.8,1476.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114pm:g041471899:04147_1899-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1476.0,1250.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4346642,43.7811758]}},{"type":"Feature","properties":{"resourceCoords":[119.0,951.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4381863,43.7817661]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114pm:g041471899:04147_1899-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Pentwater, Michigan | 1899 | sanborn04147_003 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T03:33:29Z","modified":"2026-10-20T03:33:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114pm:g041471899:04147_1899-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114pm:g041471899:04147_1899-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"67.0,697.0 58.3,1632.7 121.4,1803.2 1013.7,1809.5 1132.3,1895.9 1554.3,1875.9 1566.5,98.5 1439.5,33.4 1052.9,29.9 1051.7,205.6 583.0,200.5 581.0,269.9 93.0,647.0 92.8,686.3 1.0,685.5 1.0,695.5 67.0,697.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114pm:g041471899:04147_1899-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[567.0,1196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4303461,43.7772577]}},{"type":"Feature","properties":{"resourceCoords":[1541.0,1196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4278387,43.7773588]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114pm:g041471899:04147_1899-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Pentwater, Michigan | 1899 | sanborn04147_003 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.50"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T03:33:29Z","modified":"2026-10-20T03:33:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114pm:g041471899:04147_1899-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114pm:g041471899:04147_1899-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.6,860.0 60.7,859.9 60.6,954.3 100.6,954.3 487.5,1447.8 558.0,1449.3 556.2,1926.0 711.1,1926.0 734.9,1926.0 735.0,1847.0 1597.9,1852.3 1561.9,1451.0 1554.3,1451.1 1545.4,1267.0 1602.4,554.1 1542.9,1.0 1194.2,1.0 1193.4,17.7 108.6,23.6 62.6,58.2 50.6,860.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114pm:g041471899:04147_1899-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[558.0,954.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4317025,43.7790653]}},{"type":"Feature","properties":{"resourceCoords":[1541.0,954.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.4318243,43.7808627]}}]}}]}