{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02604_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Clarinda, Iowa | 1886 | 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":"7"},{"label":"placed","value":"2"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 1, snap:2 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p3__1 (tier 4, 40.74104,-95.02687 +/-240m); p3__2 (tier 4, 40.74104,-95.02687 +/-240m); p3__3 (tier 4, 40.74104,-95.02687 +/-240m); p3__4 (tier 4, 40.74104,-95.02687 +/-240m); p3__5 (tier 4, 40.74104,-95.02687 +/-240m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026041886:02604_1886-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clarinda, Iowa | 1886 | sanborn02604_001 p1","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.28"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:27:03Z","modified":"2026-10-18T17:27:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026041886:02604_1886-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026041886:02604_1886-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"105.8,86.3 1471.9,25.9 1562.8,99.0 1558.6,1829.2 1030.3,1891.6 329.1,1871.7 92.6,1789.2 50.5,350.3 105.8,86.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026041886:02604_1886-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[990.0,361.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.022941,40.740245]}},{"type":"Feature","properties":{"resourceCoords":[990.0,1476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.025121,40.740241]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026041886:02604_1886-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clarinda, Iowa | 1886 | sanborn02604_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.30"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:27:03Z","modified":"2026-10-18T17:27:03Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026041886:02604_1886-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026041886:02604_1886-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.9,46.8 1045.5,39.9 1331.1,42.9 1566.0,174.8 1509.3,320.0 1566.2,392.6 1575.2,1851.8 576.5,1812.2 527.8,1868.6 73.0,1756.0 71.9,46.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154cm:g026041886:02604_1886-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.03139673621796,40.74315855128817]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.02785986159502,40.74315682829326]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.02786253961025,40.73995607779996]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.03139941423319,40.73995780079487]}}]}}]}