{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04016_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Galesburg, Michigan | 1921 | 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":"3"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef-snap 2, snap:0 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__3 (tier 4, 42.28936,-85.41739 +/-214m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040161921:04016_1921-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Galesburg, Michigan | 1921 | sanborn04016_005 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"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":"6524.0"},{"label":"split_canvas_h","value":"7684.0"}],"created":"2026-10-18T19:39:42Z","modified":"2026-10-18T19:39:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040161921:04016_1921-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040161921:04016_1921-0001","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"273.3,1788.9 447.9,1778.4 446.0,1691.0 539.4,1655.3 595.4,1445.7 849.9,1399.8 940.5,1208.3 940.5,1202.5 943.3,1202.5 946.4,1196.0 1363.4,1200.4 1543.4,1129.2 1597.3,825.5 1570.1,187.2 1446.2,55.4 1344.8,30.7 1319.6,1.0 1292.0,1.0 1084.4,166.7 641.9,134.2 621.7,95.6 647.0,84.7 596.7,34.9 598.5,40.1 161.7,49.6 92.0,122.4 180.2,285.3 220.1,270.1 232.1,356.5 261.7,880.9 181.8,945.9 264.6,1832.8 273.3,1788.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040161921:04016_1921-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[864.0,355.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.41624795015545,42.28998474440356]}},{"type":"Feature","properties":{"resourceCoords":[167.0,977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.41817454765234,42.28876727924512]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040161921:04016_1921-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Galesburg, Michigan | 1921 | sanborn04016_005 p1 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3762.0"},{"label":"split_canvas_y","value":"4810.0"},{"label":"split_canvas_w","value":"2762.0"},{"label":"split_canvas_h","value":"2874.0"}],"created":"2026-10-18T19:39:42Z","modified":"2026-10-18T19:39:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040161921:04016_1921-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040161921:04016_1921-0001","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1317.1,1743.7 1579.2,1694.7 1601.7,1706.5 1609.3,1689.0 1600.0,1240.2 1176.4,1215.2 966.3,1259.5 946.5,1400.5 968.0,1467.6 940.5,1465.5 940.5,1508.8 1317.1,1743.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040161921:04016_1921-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[940.5,1202.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.41720861335814,42.290990760709654]}},{"type":"Feature","properties":{"resourceCoords":[1631.0,1202.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.41553377756519,42.29161433540189]}},{"type":"Feature","properties":{"resourceCoords":[1631.0,1921.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.414662804661,42.29031608712065]}},{"type":"Feature","properties":{"resourceCoords":[940.5,1921.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.41633764045396,42.28969251242842]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040161921:04016_1921-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Galesburg, Michigan | 1921 | sanborn04016_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.66"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:39:42Z","modified":"2026-10-18T19:39:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040161921:04016_1921-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040161921:04016_1921-0002","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1513.8,1811.7 690.5,1886.6 92.0,1871.5 33.8,967.0 128.8,56.8 168.5,49.0 1311.6,39.8 1320.6,30.1 1412.0,190.9 1451.5,174.9 1465.3,260.9 1505.5,783.7 1427.1,850.3 1527.7,1733.9 1513.8,1811.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040161921:04016_1921-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1384.0,917.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.41825703725603,42.28869863330814]}},{"type":"Feature","properties":{"resourceCoords":[87.0,1885.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.42188787635547,42.28686453868905]}}]}}]}