{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03275_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Baton Rouge, Louisiana | 1885 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"10"},{"label":"placed","value":"5"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 30.44844,-91.18712 +/-419m); p1__2 (tier 4, 30.44844,-91.18712 +/-419m); p1__3 (tier 4, 30.44844,-91.18712 +/-419m); p2__1 (tier 4, 30.44844,-91.18712 +/-419m); p2__2 (tier 4, 30.44844,-91.18712 +/-419m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Baton Rouge, Louisiana | 1885 | sanborn03275_001 p1 [4]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"1916.4"},{"label":"split_canvas_y","value":"4137.2"},{"label":"split_canvas_w","value":"4535.6"},{"label":"split_canvas_h","value":"3514.8"}],"created":"2026-09-22T07:06:52Z","modified":"2026-09-22T07:06:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0001__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 6452.0,4156.4 2375.4,4139.0 2377.4,7652.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5980.0,5880.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.1845968,30.4449533]}},{"type":"Feature","properties":{"resourceCoords":[2376.4,5880.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.1865735,30.4448975]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Baton Rouge, Louisiana | 1885 | sanborn03275_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:06:52Z","modified":"2026-09-22T07:06:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4012.7,7122.8 6088.6,7138.6 6203.4,7326.1 6204.7,7139.5 6452.0,7141.4 6452.0,7652.0 -0.0,7652.0 -0.0,339.1 374.8,293.0 391.1,711.9 3620.2,704.7 3496.6,0.0 6452.0,0.0 6452.0,3572.9 4036.2,3554.4 4012.7,7122.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.18884682552343,30.447301723352933]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.18538610490481,30.44742235687686]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.18522131459693,30.443858960819433]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.18868203521555,30.443738327295506]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Baton Rouge, Louisiana | 1885 | sanborn03275_001 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-22T07:06:52Z","modified":"2026-09-22T07:06:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6382.4,356.1 6452.0,6941.3 6330.3,6941.1 6452.0,7652.0 3219.2,7652.0 3204.0,7229.6 2828.7,7275.3 2827.6,7652.0 -0.0,7652.0 -0.0,632.9 131.2,633.9 117.0,288.9 6382.4,356.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4116.0,2620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.1882563,30.4493187]}},{"type":"Feature","properties":{"resourceCoords":[4116.0,7244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.1881506,30.4471836]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Baton Rouge, Louisiana | 1885 | sanborn03275_001 p5","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-22T07:06:52Z","modified":"2026-09-22T07:06:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6120.4,303.9 6103.0,6642.2 6452.0,6616.1 6452.0,7652.0 -0.0,7652.0 0.0,-0.0 1463.2,-0.0 1462.8,322.7 6120.4,303.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6132.0,2592.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.1883058,30.4503672]}},{"type":"Feature","properties":{"resourceCoords":[6132.0,4828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.1894903,30.4503318]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Baton Rouge, Louisiana | 1885 | sanborn03275_001 p6","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-22T07:06:52Z","modified":"2026-09-22T07:06:52Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7235.9 410.2,7274.6 408.8,6957.9 -0.0,6960.2 0.0,0.0 6452.0,-0.0 6452.0,7235.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd401m:g4014m:g4014bm:g032751885:03275_1885-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2684.0,5032.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.1859432,30.4515077]}},{"type":"Feature","properties":{"resourceCoords":[4972.0,5032.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.1859072,30.4504433]}}]}}]}