{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05151_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Blair, Nebraska | 1902 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"15"},{"label":"placed","value":"2"},{"label":"unplaced","value":"13"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 14 panels"},{"label":"unplaced pages","value":"p1__1 (tier 2, 41.47701,-96.19580 +/-100m); p1__2 (tier 2, 41.47701,-96.19580 +/-100m); p2 (tier 2, 41.47521,-96.19936 +/-100m); p3__2 (tier 4, 41.51979,-96.14702 +/-6486m); p3__3 (tier 4, 41.51979,-96.14702 +/-6486m); p3__4 (tier 4, 41.51979,-96.14702 +/-6486m); p4__2 (tier 4, 41.51979,-96.14702 +/-6486m); p5__2 (tier 4, 41.51979,-96.14702 +/-6486m); p5__3 (tier 4, 41.51979,-96.14702 +/-6486m); p5__4 (tier 4, 41.51979,-96.14702 +/-6486m); p5__5 (tier 4, 41.51979,-96.14702 +/-6486m); p5__6 (tier 4, 41.51979,-96.14702 +/-6486m)"},{"label":"withheld","value":"p3__1 (9.8 km from the catalogue location)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194bm:g051511902:05151_1902-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blair, Nebraska | 1902 | sanborn05151_004 p4 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"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":"2026-09-22T21:01:47Z","modified":"2026-09-22T21:01:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194bm:g051511902:05151_1902-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194bm:g051511902:05151_1902-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 963.5,0.0 963.5,581.0 0.0,580.5 -0.0,1913.0 233.0,1913.0 514.0,1913.0 1613.0,1913.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194bm:g051511902:05151_1902-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.11900315580712,41.542892115984316]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.1146104203474,41.543060759834894]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.11434336142037,41.53915900780443]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.11873609688008,41.53899036395385]}},{"type":"Feature","properties":{"resourceCoords":[91.0,622.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.1186685,41.541633]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194bm:g051511902:05151_1902-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blair, Nebraska | 1902 | sanborn05151_004 p5 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"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":"4912.8"}],"created":"2026-09-22T21:01:47Z","modified":"2026-09-22T21:01:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194bm:g051511902:05151_1902-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194bm:g051511902:05151_1902-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1135.5,1228.2 1135.5,885.4 1613.0,885.4 1613.0,0.0 -0.0,-0.0 0.0,1228.0 834.1,1228.2 1135.5,1228.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194bm:g051511902:05151_1902-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1033.0,689.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.1263975,41.5428268]}},{"type":"Feature","properties":{"resourceCoords":[1033.0,1181.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.126397,41.541822]}}]}}]}