{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04018_002.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Gaylord, Michigan | 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://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040181898:04018_1898-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gaylord, Michigan | 1898 | sanborn04018_002 p1","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"}],"created":"2026-09-22T14:25:55Z","modified":"2026-09-22T14:25:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040181898:04018_1898-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040181898:04018_1898-0001","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1921.0 -0.0,-0.0 1631.0,-0.0 1631.0,1921.0 -0.0,1921.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040181898:04018_1898-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1445.0,492.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.6725938,45.0283345]}},{"type":"Feature","properties":{"resourceCoords":[1400.9,633.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.6738652,45.025521]}}]}}]}