{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02987_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Holton, Kansas | 1889 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"4"},{"label":"placed","value":"4"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"none"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holton, Kansas | 1889 | sanborn02987_002 p1","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-23T16:03:40Z","modified":"2026-09-23T16:03:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"162.8,1913.0 167.1,0.0 1613.0,0.0 1613.0,1913.0 162.8,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[939.0,1447.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7304375,39.4648542]}},{"type":"Feature","properties":{"resourceCoords":[362.0,1447.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7318482,39.4648556]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holton, Kansas | 1889 | sanborn02987_002 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"}],"created":"2026-09-23T16:03:40Z","modified":"2026-09-23T16:03:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,106.5 1613.0,1913.0 -0.0,1913.0 -0.0,1522.2 74.2,1522.0 84.5,115.6 1613.0,106.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[667.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7347301,39.4648712]}},{"type":"Feature","properties":{"resourceCoords":[1241.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7332764,39.4648671]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holton, Kansas | 1889 | sanborn02987_002 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T16:03:40Z","modified":"2026-09-23T16:03:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1546.8,0.0 1539.7,1913.0 -0.0,1913.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.74007950579474,39.465810381124854]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.73605871092798,39.4658083989116]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.73606173467925,39.462100930727665]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.74008252954602,39.46210291294092]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holton, Kansas | 1889 | sanborn02987_002 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-23T16:03:40Z","modified":"2026-09-23T16:03:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1280.5 -0.0,-0.0 1613.0,0.0 1595.8,1768.8 102.8,1758.7 100.1,1281.4 -0.0,1280.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204hm:g4204hm_g029871889:02987_1889-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[675.0,1065.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7347382,39.4662524]}},{"type":"Feature","properties":{"resourceCoords":[1243.0,1065.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7332656,39.4662627]}}]}}]}