{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01683_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Troy, Idaho | 1909 | 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":"2"},{"label":"placed","value":"2"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274tm:g016831909:01683_1909-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Idaho | 1909 | sanborn01683_001 p1","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:50:38Z","modified":"2026-10-18T05:50:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274tm:g016831909:01683_1909-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274tm:g016831909:01683_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"104.5,1902.2 147.2,1850.9 143.3,1809.2 72.2,1836.7 19.7,1436.3 75.2,894.5 41.8,587.1 134.6,394.4 44.4,271.1 71.7,52.9 253.8,30.9 433.2,93.4 601.1,30.6 624.0,107.5 737.8,28.6 896.3,93.0 1269.1,27.2 1532.0,82.0 1612.0,437.8 1612.0,554.5 1612.0,1874.5 1562.8,1901.8 1336.3,1888.8 1335.9,1902.1 753.6,1893.0 543.9,1888.2 543.7,1895.3 335.6,1912.0 114.7,1912.0 104.5,1902.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274tm:g016831909:01683_1909-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[825.0,1326.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.7684415,46.7357715]}},{"type":"Feature","properties":{"resourceCoords":[324.0,1882.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.76852,46.7344102]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274tm:g016831909:01683_1909-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Idaho | 1909 | sanborn01683_001 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.19"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:50:38Z","modified":"2026-10-18T05:50:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274tm:g016831909:01683_1909-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274tm:g016831909:01683_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"342.7,2.4 233.0,1.0 155.2,1.0 196.1,46.5 39.6,683.2 63.9,1089.6 156.9,1424.2 74.3,1551.6 53.9,1758.1 504.1,1893.7 1146.5,1859.0 1204.7,1767.3 1374.5,1723.3 1320.9,1573.8 1512.3,1373.5 1494.8,1042.2 1611.0,848.7 1581.3,201.2 1528.8,73.5 1313.1,46.1 1311.8,58.9 755.6,11.7 639.5,1.0 466.4,1.0 342.7,2.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274tm:g016831909:01683_1909-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[813.0,17.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.767499,46.734963]}},{"type":"Feature","properties":{"resourceCoords":[50.0,564.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.76798,46.733211]}}]}}]}