{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02700_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Kellogg, Iowa | 1935 | 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":"2"},{"label":"placed","value":"1"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 41.71675,-92.90709 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154km:g027001935:02700_1935-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kellogg, Iowa | 1935 | sanborn02700_003 p1 [1]","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"21"},{"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":"2026-09-23T15:52:11Z","modified":"2026-09-23T15:52:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154km:g027001935:02700_1935-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154km:g027001935:02700_1935-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1280.1,1913.0 1283.3,1633.5 1613.0,1632.3 1613.0,0.0 -0.0,-0.0 -0.0,1913.0 1280.1,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154km:g027001935:02700_1935-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[330.0,347.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.9094193,41.7189871]}},{"type":"Feature","properties":{"resourceCoords":[1286.0,1091.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.904731,41.716249]}}]}}]}