{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08403_003.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Amarillo, Texas | 1908 | 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://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08403003:sb00001k/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Amarillo, Texas | 1908 | sanborn08403_003 p1k","metadata":[{"label":"streets","value":"29"},{"label":"intersections","value":"162"}],"created":"2026-09-23T23:47:02Z","modified":"2026-09-23T23:47:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08403003:sb00001k/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08403003:sb00001k/info.json","type":"ImageService2","height":7792,"width":6640},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7792.0 -0.0,-0.0 6640.0,0.0 6640.0,7792.0 -0.0,7792.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08403003:sb00001k/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1552.5,3051.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.836608,35.2033855]}},{"type":"Feature","properties":{"resourceCoords":[2204.7,3544.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.832189,35.1996225]}}]}}]}