{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn04031_006.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Harbor Springs, Michigan | 1912 | key map | 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"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114hm:g040311912:04031_1912-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harbor Springs, Michigan | 1912 | sanborn04031_006 p1 [2]","metadata":[{"label":"streets","value":"26"},{"label":"intersections","value":"62"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6950.1"},{"label":"split_canvas_h","value":"5635.7"}],"created":"2026-09-23T10:49:19Z","modified":"2026-09-23T10:49:19Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114hm:g040311912:04031_1912-0001__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114hm:g040311912:04031_1912-0001/info.json","type":"ImageService2","height":7684,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,3154.2 2153.6,3111.2 4005.0,5008.7 4003.5,5618.4 4603.8,5622.2 6944.3,5635.7 6950.1,5635.7 6950.1,0.0 -0.0,-0.0 0.0,3154.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114hm:g040311912:04031_1912-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2576.7,1617.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.9946188,45.4308378]}},{"type":"Feature","properties":{"resourceCoords":[3963.1,1861.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.9877141,45.4299424]}}]}}]}