{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn01500_002.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Savannah, Georgia | 1888 | key map | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd392m:g3924m:g3924sm:g3924sm_g015001888:01500_1888-0000L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Savannah, Georgia | 1888 | sanborn01500_002 p0L","metadata":[{"label":"streets","value":"51"},{"label":"intersections","value":"483"}],"created":"2026-09-21T23:17:06Z","modified":"2026-09-21T23:17:06Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd392m:g3924m:g3924sm:g3924sm_g015001888:01500_1888-0000L/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd392m:g3924m:g3924sm:g3924sm_g015001888:01500_1888-0000L/info.json","type":"ImageService2","height":8152,"width":5624},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5624.0,8152.0 -0.0,8152.0 -0.0,0.0 5376.4,0.0 5371.2,4642.5 5419.5,4642.1 5624.0,4638.4 5624.0,4832.2 5371.0,4831.7 5370.8,5024.1 5587.5,5024.6 5589.1,5356.6 5624.0,5355.3 5624.0,6541.0 5600.8,6541.3 5602.2,6786.8 5624.0,6786.4 5624.0,8152.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd392m:g3924m:g3924sm:g3924sm_g015001888:01500_1888-0000L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4430.4,3067.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.0913401,32.0753144]}},{"type":"Feature","properties":{"resourceCoords":[5307.8,6804.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.0926903,32.0614665]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd392m:g3924m:g3924sm:g3924sm_g015001888:01500_1888-0000R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Savannah, Georgia | 1888 | sanborn01500_002 p0R","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"25"}],"created":"2026-09-21T23:17:06Z","modified":"2026-09-21T23:17:06Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd392m:g3924m:g3924sm:g3924sm_g015001888:01500_1888-0000R/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd392m:g3924m:g3924sm:g3924sm_g015001888:01500_1888-0000R/info.json","type":"ImageService2","height":8152,"width":5724},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"269.6,6854.2 246.6,6854.7 244.8,6608.9 269.3,6608.4 267.9,5421.0 231.1,5422.4 229.0,5089.9 -0.0,5090.2 -0.0,4897.5 267.3,4897.1 267.1,4702.9 -0.0,4708.0 0.0,0.0 5724.0,0.0 5724.0,8152.0 271.2,8152.0 269.6,6854.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd392m:g3924m:g3924sm:g3924sm_g015001888:01500_1888-0000R/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[245.1,5245.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.0894497,32.066878]}},{"type":"Feature","properties":{"resourceCoords":[885.3,2406.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.0833673,32.0756199]}}]}}]}