{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn02357_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Griffith, Indiana | 1930 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"8"},{"label":"placed","value":"3"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 41.52065,-87.42548 +/-579m); p2__1 (tier 2, 41.51688,-87.42709 +/-100m); p2__3 (tier 2, 41.51688,-87.42709 +/-100m); p3__2 (tier 4, 41.52065,-87.42548 +/-579m); p3__3 (tier 4, 41.52065,-87.42548 +/-579m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023571930:02357_1930-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Griffith, Indiana | 1930 | sanborn02357_002 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"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":"2026-09-21T21:05:17Z","modified":"2026-09-21T21:05:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023571930:02357_1930-0001__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023571930:02357_1930-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 0.0,4724.0 212.4,4724.0 2119.6,4736.0 2121.2,7652.0 6452.0,7652.0 6452.0,0.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023571930:02357_1930-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2008.0,2160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.4228173,41.5227752]}},{"type":"Feature","properties":{"resourceCoords":[176.0,2160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.4240357,41.5227795]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023571930:02357_1930-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Griffith, Indiana | 1930 | sanborn02357_002 p2 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"14"},{"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":"2026-09-21T21:05:17Z","modified":"2026-09-21T21:05:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023571930:02357_1930-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023571930:02357_1930-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2132.0,0.0 2134.0,1614.0 0.0,1617.6 0.0,3522.4 1995.2,3522.8 1999.6,6045.6 0.0,6053.2 -0.0,7652.0 776.0,7652.0 1656.0,7652.0 6452.0,7652.0 6452.0,0.0 2132.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023571930:02357_1930-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6144.0,3304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.4252388,41.5246034]}},{"type":"Feature","properties":{"resourceCoords":[340.0,3304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.4288661,41.5246146]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023571930:02357_1930-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Griffith, Indiana | 1930 | sanborn02357_002 p3 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3662.0"},{"label":"split_canvas_h","value":"5684.0"}],"created":"2026-09-21T21:05:17Z","modified":"2026-09-21T21:05:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023571930:02357_1930-0003__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023571930:02357_1930-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,5684.0 3662.0,4146.4 3654.0,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023571930:02357_1930-0003__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":[-87.42822212164172,41.51714424134043]}},{"type":"Feature","properties":{"resourceCoords":[3662.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.42589515539422,41.516856351698735]}},{"type":"Feature","properties":{"resourceCoords":[3662.0,5684.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.42649209251051,41.514149692928065]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5684.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-87.42881905875802,41.51443758256976]}},{"type":"Feature","properties":{"resourceCoords":[3393.9,4084.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.4264944,41.5149329]}}]}}]}