{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn01772_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Carthage, Illinois | 1893 | 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"},{"label":"pages","value":"8"},{"label":"placed","value":"3"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1 (tier 4, 40.41567,-91.13468 +/-792m); p2__3 (tier 4, 40.41567,-91.13468 +/-792m); p3 (tier 4, 40.41567,-91.13468 +/-792m); p4__2 (tier 4, 40.41567,-91.13468 +/-792m); p4__3 (tier 4, 40.41567,-91.13468 +/-792m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017721893:01772_1893-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carthage, Illinois | 1893 | sanborn01772_002 p2 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"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":"2026-09-21T17:11:34Z","modified":"2026-09-21T17:11:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017721893:01772_1893-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017721893:01772_1893-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2796.0,7652.0 3436.0,7652.0 6452.0,7652.0 6452.0,5764.0 6452.0,3552.0 6452.0,0.0 -0.0,-0.0 0.0,3540.4 2064.0,3525.2 2068.0,4338.4 2084.0,7652.0 2796.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017721893:01772_1893-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[924.0,372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.139702,40.4150398]}},{"type":"Feature","properties":{"resourceCoords":[3588.0,372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.138018,40.415028]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017721893:01772_1893-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carthage, Illinois | 1893 | sanborn01772_002 p2 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3525.2"},{"label":"split_canvas_w","value":"2068.0"},{"label":"split_canvas_h","value":"820.0"}],"created":"2026-09-21T17:11:34Z","modified":"2026-09-21T17:11:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017721893:01772_1893-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017721893:01772_1893-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4345.2 2059.6,4338.4 2068.0,4338.4 2064.0,3525.2 0.0,3540.4 -0.0,4345.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017721893:01772_1893-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,3525.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.14077744984613,40.416391800652846]}},{"type":"Feature","properties":{"resourceCoords":[2068.0,3525.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.13948379133613,40.41638904402224]}},{"type":"Feature","properties":{"resourceCoords":[2068.0,4345.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.1394852268479,40.41599845673534]}},{"type":"Feature","properties":{"resourceCoords":[0.0,4345.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.14077888535789,40.416001213365945]}},{"type":"Feature","properties":{"resourceCoords":[1760.0,3717.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.1396768,40.416298]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017721893:01772_1893-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Carthage, Illinois | 1893 | sanborn01772_002 p4 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"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":"6585.2"}],"created":"2026-09-21T17:11:34Z","modified":"2026-09-21T17:11:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017721893:01772_1893-0004__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017721893:01772_1893-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,547.2 6452.0,0.0 1192.0,0.0 -0.0,-0.0 0.0,550.8 -0.0,6585.2 1860.8,6571.6 1861.6,4294.0 6452.0,4331.2 6452.0,547.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104cm:g017721893:01772_1893-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[476.0,6157.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.12738,40.416136]}},{"type":"Feature","properties":{"resourceCoords":[476.0,828.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.127304,40.418647]}}]}}]}