{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05193_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Harrison, Nebraska | 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":"1"},{"label":"placed","value":"1"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194hm:g051931909:05193_1909-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrison, Nebraska | 1909 | sanborn05193_002 p1","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T04:23:03Z","modified":"2026-10-18T04:23:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194hm:g051931909:05193_1909-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194hm:g051931909:05193_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.8,1841.0 50.5,31.6 1496.1,57.1 1565.0,363.1 1560.8,1845.4 1051.8,1875.3 587.6,1811.4 56.8,1841.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194hm:g051931909:05193_1909-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[854.0,1135.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.8830174,42.6872446]}},{"type":"Feature","properties":{"resourceCoords":[854.0,388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.8830411,42.6886314]}}]}}]}