{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05214_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Milford, Nebraska | 1910 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"7"},{"label":"placed","value":"2"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"snap:0 1, georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 40.77358,-97.05040 +/-154m); p1__2 (tier 4, 40.77358,-97.05040 +/-154m); p1__3 (tier 4, 40.77358,-97.05040 +/-154m); p1__4 (tier 4, 40.77358,-97.05040 +/-154m); p3__2 (tier 1, 40.77098,-97.05775 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052141910:05214_1910-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Nebraska | 1910 | sanborn05214_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T10:34:01Z","modified":"2026-10-19T10:34:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052141910:05214_1910-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052141910:05214_1910-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1557.7,25.0 1575.7,57.8 1572.2,896.5 1577.3,1127.8 1576.7,1259.5 1588.8,1719.8 1612.0,1722.5 1586.7,1720.6 1478.8,1868.6 65.4,1862.9 22.6,1059.6 79.2,35.4 1508.2,16.2 1557.7,25.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052141910:05214_1910-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.05414686585003,40.77537103060748]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.05024326770643,40.77532146998432]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.05032033991891,40.771790734029416]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.0542239380625,40.77184029465258]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052141910:05214_1910-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milford, Nebraska | 1910 | sanborn05214_004 p3 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.91"},{"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":"2026-10-19T10:34:01Z","modified":"2026-10-19T10:34:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052141910:05214_1910-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052141910:05214_1910-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.2,49.2 67.0,81.9 65.3,920.3 70.8,1151.5 70.3,1283.1 83.3,1743.2 107.3,1746.0 542.1,1779.3 712.1,1885.8 1259.5,1861.0 1284.5,1189.1 1284.5,1188.5 1454.4,1188.5 1583.1,1183.0 1591.2,430.3 1534.1,109.9 853.2,27.5 1.0,40.5 1.0,40.7 49.2,49.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194mm:g052141910:05214_1910-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[611.0,1200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.04906,40.773133]}},{"type":"Feature","properties":{"resourceCoords":[1326.0,629.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.047291,40.774163]}}]}}]}