{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01924_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Highland, Illinois | 1899 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"12"},{"label":"placed","value":"3"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef-snap 2, snap:1 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 38.73900,-89.67753 +/-317m); p1__2 (tier 1, 38.88802,-89.73250 +/-100m); p1__3 (tier 4, 38.73900,-89.67753 +/-317m); p2 (tier 1, 38.74009,-89.67458 +/-264m); p3 (tier 1, 38.70107,-90.16502 +/-248m); p6__1 (tier 1, 38.90009,-90.14737 +/-250m); p6__2 (tier 2, 38.74061,-89.67762 +/-458m); p6__3 (tier 2, 38.74061,-89.67762 +/-458m); p6__4 (tier 2, 38.74061,-89.67762 +/-458m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019241899:01924_1899-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Highland, Illinois | 1899 | sanborn01924_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.71"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:59:46Z","modified":"2026-10-18T17:59:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019241899:01924_1899-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019241899:01924_1899-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"535.7,1849.3 11.3,1847.2 11.0,1784.2 29.6,1783.5 47.1,195.4 475.8,171.7 541.3,59.0 641.6,24.6 1512.2,69.7 1567.8,212.1 1578.6,1835.9 1549.5,1878.1 535.7,1894.9 535.7,1849.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019241899:01924_1899-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.67653250838322,38.74189119504022]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.67262577995088,38.74192484000352]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.67257498179129,38.73828529989951]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.67648171022363,38.73825165493621]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019241899:01924_1899-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Highland, Illinois | 1899 | sanborn01924_003 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.34"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:59:46Z","modified":"2026-10-18T17:59:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019241899:01924_1899-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019241899:01924_1899-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1584.3,1817.4 53.0,1798.2 40.2,503.9 104.2,428.9 116.3,124.7 499.0,165.8 946.4,83.4 1126.8,134.9 1427.8,57.0 1409.9,75.3 1427.2,106.7 1503.3,120.6 1586.0,1526.9 1584.5,1790.1 1584.3,1817.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019241899:01924_1899-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.68300249607971,38.74180003524208]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.67899987288915,38.74185355698224]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.67891906876146,38.73812446933009]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.68292169195202,38.738070947589925]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019241899:01924_1899-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Highland, Illinois | 1899 | sanborn01924_003 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:59:46Z","modified":"2026-10-18T17:59:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019241899:01924_1899-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019241899:01924_1899-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"24.8,232.1 26.5,232.2 44.2,1849.6 863.1,1876.5 978.2,1799.9 1554.3,1865.8 1579.1,263.3 1593.7,263.1 1593.8,217.3 1070.8,212.9 1070.7,149.6 41.4,189.7 30.1,1.0 25.8,1.0 24.9,204.1 24.8,232.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104hm:g019241899:01924_1899-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[549.0,1518.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.67767344821169,38.73589035114567]}},{"type":"Feature","properties":{"resourceCoords":[1567.0,1960.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.67518562303249,38.73508323689248]}}]}}]}