{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn06658_004.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Conneaut, Ohio | 1898 | key map | 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"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066581898:06658_1898-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Conneaut, Ohio | 1898 | sanborn06658_004 p1 [2]","metadata":[{"label":"streets","value":"19"},{"label":"intersections","value":"55"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6938.1"},{"label":"split_canvas_h","value":"4777.4"}],"created":"2026-09-22T11:23:50Z","modified":"2026-09-22T11:23:50Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066581898:06658_1898-0001__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066581898:06658_1898-0001/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2023.8,4777.4 4923.4,4770.6 4927.8,3710.8 6938.1,3698.7 6938.1,0.0 6326.3,0.0 5953.0,0.0 0.0,0.0 0.0,3770.1 2015.3,4777.4 2023.8,4777.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066581898:06658_1898-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2329.8,2488.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.5638181,41.9446209]}},{"type":"Feature","properties":{"resourceCoords":[3372.1,2488.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.557418,41.944645]}}]}}]}