{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01746_002.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Breese, Illinois | 1909 | 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:gmd410m:g4104m:g4104bm:g017461909:01746_1909-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Breese, Illinois | 1909 | sanborn01746_002 p1 [1]","metadata":[{"label":"streets","value":"19"},{"label":"intersections","value":"77"},{"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":"8074.1"}],"created":"2026-09-22T00:04:43Z","modified":"2026-09-22T00:04:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017461909:01746_1909-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017461909:01746_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 0.0,711.0 1209.3,711.8 1221.2,546.6 1219.7,1913 1221.8,1913 1221.8,1287.2 1613,1272.9 1613,-0.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104bm:g017461909:01746_1909-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[437.8,490.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.5301806,38.6098834]}},{"type":"Feature","properties":{"resourceCoords":[587.6,492.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.5303407,38.6067443]}}]}}]}