{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01377_002.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Athens, Georgia | 1888 | 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://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924am:g3924am_g013771888:01377_1888-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Athens, Georgia | 1888 | sanborn01377_002 p1 [1]","metadata":[{"label":"streets","value":"25"},{"label":"intersections","value":"71"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6878.4"},{"label":"split_canvas_h","value":"5792.9"}],"created":"2026-09-23T05:06:39Z","modified":"2026-09-23T05:06:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924am:g3924am_g013771888:01377_1888-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924am:g3924am_g013771888:01377_1888-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,1448.2 1613,0.0 0.0,0.0 0.0,1432.0 1163.8,1443.2 1613,1448.2 1613,1448.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd392m:g3924m:g3924am:g3924am_g013771888:01377_1888-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[576.9,864.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.3739197,33.9569134]}},{"type":"Feature","properties":{"resourceCoords":[54.6,793.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.3827637,33.9562481]}}]}}]}