{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04899_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Union Star, Missouri | 1914 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"5"},{"label":"placed","value":"4"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 39.97924,-94.59698 +/-376m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Union Star, Missouri | 1914 | sanborn04899_001 p1 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"20"},{"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":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-17T22:22:34Z","modified":"2026-10-17T22:22:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1276.8,46.5 67.6,66.0 78.5,1831.6 976.0,1848.4 1043.4,1559.3 1045.2,822.2 1045.2,820.4 1241.5,819.0 1505.0,811.1 1505.0,817.1 1509.8,817.1 1519.1,817.0 1522.7,817.0 1524.6,384.9 1586.0,386.8 1529.0,62.0 1469.7,47.0 1479.0,1.0 1345.5,1.0 1276.8,46.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[58.0,1360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.597672,39.980743]}},{"type":"Feature","properties":{"resourceCoords":[58.0,1845.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.598823,39.980741]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Union Star, Missouri | 1914 | sanborn04899_001 p1 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.70"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4180.8"},{"label":"split_canvas_y","value":"4350.0"},{"label":"split_canvas_w","value":"1021.2"},{"label":"split_canvas_h","value":"3302.0"}],"created":"2026-10-17T22:22:34Z","modified":"2026-10-17T22:22:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1135.8,1124.7 1074.4,1123.0 1074.3,1555.0 1056.6,1555.1 1057.2,1875.3 1264.9,1874.9 1286.7,1615.4 1227.2,1563.6 1292.8,1128.9 1137.4,1133.8 1135.8,1124.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1045.2,1087.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.59526544984939,39.97813301365885]}},{"type":"Feature","properties":{"resourceCoords":[1300.5,1087.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.5952665797793,39.977668628675964]}},{"type":"Feature","properties":{"resourceCoords":[1300.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.59722684118172,39.9776714373117]}},{"type":"Feature","properties":{"resourceCoords":[1045.2,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.59722571125181,39.97813582229458]}},{"type":"Feature","properties":{"resourceCoords":[1074.2,1616.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.596521,39.978082]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Union Star, Missouri | 1914 | sanborn04899_001 p1 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.59"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"5202.0"},{"label":"split_canvas_y","value":"4350.0"},{"label":"split_canvas_w","value":"1250.0"},{"label":"split_canvas_h","value":"1476.0"}],"created":"2026-10-17T22:22:34Z","modified":"2026-10-17T22:22:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1393.3,1126.5 1315.2,1145.1 1314.1,1249.0 1374.2,1168.0 1467.5,1413.9 1541.8,1385.0 1551.1,1214.5 1393.3,1126.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1300.5,1087.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.59990460442798,39.98171664895645]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1087.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.59989631393083,39.98114667366372]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1456.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.60077197091016,39.98113917357073]}},{"type":"Feature","properties":{"resourceCoords":[1300.5,1456.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.60078026140731,39.98170914886346]}},{"type":"Feature","properties":{"resourceCoords":[1336.5,1126.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.5999962,39.9816503]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Union Star, Missouri | 1914 | sanborn04899_001 p1 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.59"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"5202.0"},{"label":"split_canvas_y","value":"5826.0"},{"label":"split_canvas_w","value":"1250.0"},{"label":"split_canvas_h","value":"1826.0"}],"created":"2026-10-17T22:22:34Z","modified":"2026-10-17T22:22:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1521.7,1610.6 1550.8,1534.6 1537.8,1523.5 1391.7,1588.8 1521.7,1610.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164um:g4164um_g048991914:04899_1914-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1300.5,1456.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.5941639677034,39.978609015492616]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1456.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.59403959876798,39.978047050973295]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.59510884250125,39.97790770711719]}},{"type":"Feature","properties":{"resourceCoords":[1300.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.59523321143666,39.97846967163651]}},{"type":"Feature","properties":{"resourceCoords":[1546.1,1526.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.59423,39.978146]}}]}}]}