{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01891_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Gilman, Illinois | 1892 | 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"},{"label":"pages","value":"5"},{"label":"placed","value":"2"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 40.76870,-87.94682 +/-7802m); p2__3 (tier 2, 40.76833,-87.99289 +/-100m)"},{"label":"withheld","value":"p2__2 (11.6 km from the catalogue location)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g018911892:01891_1892-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gilman, Illinois | 1892 | sanborn01891_002 p1 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"14"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T00:33:44Z","modified":"2026-09-22T00:33:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g018911892:01891_1892-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g018911892:01891_1892-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"399.9,0.0 -0.0,0.0 0.0,198.3 0.0,1520.1 562.7,1521.1 563.5,1913.0 855.0,1913.0 1613.0,1913.0 1613.0,449.6 1613.0,-0.0 399.9,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g018911892:01891_1892-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[744.0,493.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.991628,40.767166]}},{"type":"Feature","properties":{"resourceCoords":[1124.0,493.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.991609,40.766494]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g018911892:01891_1892-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gilman, Illinois | 1892 | sanborn01891_002 p2 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T00:33:44Z","modified":"2026-09-22T00:33:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g018911892:01891_1892-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g018911892:01891_1892-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 0.0,1514.6 533.1,1519.5 853.8,1522.8 852.5,1913.0 979.0,1913.0 1256.0,1913.0 1613.0,1913.0 1613.0,1598.0 1571.8,1597.9 1590.2,-0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104gm:g018911892:01891_1892-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[861.0,755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.992964,40.769787]}},{"type":"Feature","properties":{"resourceCoords":[1544.0,1860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.995628,40.768469]}}]}}]}