{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04731_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"La Grange, Missouri | 1898 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"6"},{"label":"placed","value":"2"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 40.03994,-91.49821 +/-400m); p2__2 (tier 4, 40.03994,-91.49821 +/-400m); p2__3 (tier 4, 40.03994,-91.49821 +/-400m); p2__4 (tier 4, 40.03994,-91.49821 +/-400m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047311898:04731_1898-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Grange, Missouri | 1898 | sanborn04731_003 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.42"},{"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":"4898.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-22T13:22:38Z","modified":"2026-10-22T13:22:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047311898:04731_1898-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047311898:04731_1898-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.8,1627.0 68.0,1767.0 143.3,1816.7 1174.9,1845.2 1223.0,1580.0 1209.1,1349.5 911.8,1347.8 905.3,1341.1 890.1,1341.0 890.1,1325.7 839.9,1274.7 821.2,124.7 676.1,43.9 101.9,103.8 52.5,434.3 64.8,1627.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047311898:04731_1898-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[364.1,793.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.4979256,40.0438192]}},{"type":"Feature","properties":{"resourceCoords":[364.1,1327.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.4980449,40.0428247]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047311898:04731_1898-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Grange, Missouri | 1898 | sanborn04731_003 p2 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.32"},{"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":"2026-10-22T13:22:38Z","modified":"2026-10-22T13:22:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047311898:04731_1898-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047311898:04731_1898-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1155.5,39.6 432.7,27.6 352.9,74.0 310.4,32.2 70.2,87.0 58.3,886.6 129.8,1140.5 253.7,1227.9 447.8,1231.2 509.6,1231.2 509.4,1232.2 515.2,1232.3 448.5,1868.5 1125.7,1885.1 1286.8,1807.5 1576.4,1786.2 1557.8,605.8 1396.5,599.0 1244.0,599.0 1234.0,592.1 1208.8,111.0 1155.5,39.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047311898:04731_1898-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[435.0,708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.4998515,40.0369169]}},{"type":"Feature","properties":{"resourceCoords":[435.0,241.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.499744,40.0377375]}}]}}]}