{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02018_007.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Moline, Illinois | 1957 | key map | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g02018195702:02018_02_1957-0000/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Moline, Illinois | 1957 | sanborn02018_007 p0","metadata":[{"label":"streets","value":"65"},{"label":"intersections","value":"171"}],"created":"2026-10-19T05:03:54Z","modified":"2026-10-19T05:03:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g02018195702:02018_02_1957-0000/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g02018195702:02018_02_1957-0000","type":"ImageService3","width":1650,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2010.0 0.0,0.0 1650.0,0.0 1650.0,2010.0 0.0,2010.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd410m:g4104m:g4104mm:g02018195702:02018_02_1957-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[101.2,802.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.4851948,41.5045974]}},{"type":"Feature","properties":{"resourceCoords":[171.0,961.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.4798959,41.4959003]}}]}}]}