{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08400_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Alvarado, Texas | 1907 | 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":"14"},{"label":"placed","value":"4"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef 5"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 14 panels"},{"label":"unplaced pages","value":"p1k__1 (tier 2, 32.40723,-97.21236 +/-100m); p1k__2 (tier 2, 32.40723,-97.21236 +/-100m); p1k__3 (tier 2, 32.40723,-97.21236 +/-100m); p1k__4 (tier 2, 32.40723,-97.21236 +/-100m); p2__2 (tier 2, 32.40496,-97.21165 +/-204m); p2__3 (tier 2, 32.40496,-97.21165 +/-204m); p2__4 (tier 2, 32.40496,-97.21165 +/-204m); p2__5 (tier 2, 32.40496,-97.21165 +/-204m); p3__2 (tier 4, 32.37943,-97.20472 +/-12264m)"},{"label":"withheld","value":"p2__1 (15.6 km from the catalogue location)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000030__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alvarado, Texas | 1907 | sanborn08400_005 p3 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6608.0"},{"label":"split_canvas_h","value":"7784.0"}],"created":"2026-09-21T19:43:33Z","modified":"2026-09-21T19:43:33Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000030__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000030/info.json","type":"ImageService2","height":7784,"width":6608},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7784.0 6337.2,7784.0 6344.5,7590.9 6608.0,7594.2 6608.0,4558.4 6416.6,4555.0 6440.6,3106.2 6608.0,3109.2 6608.0,2566.0 4885.2,2573.2 4910.0,1140.8 5190.8,1137.2 5185.6,784.8 5177.1,26.5 -0.0,122.5 -0.0,7784.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000030__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2088.0,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.2114617,32.4074814]}},{"type":"Feature","properties":{"resourceCoords":[6384.0,6532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.2090179,32.4052186]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000030__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alvarado, Texas | 1907 | sanborn08400_005 p3 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4885.2"},{"label":"split_canvas_y","value":"1120.8"},{"label":"split_canvas_w","value":"1722.8"},{"label":"split_canvas_h","value":"1452.4"}],"created":"2026-09-21T19:43:33Z","modified":"2026-09-21T19:43:33Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000030__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000030/info.json","type":"ImageService2","height":7784,"width":6608},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6608.0,1120.8 5190.8,1137.2 5022.0,1139.4 5006.0,2572.7 6608.0,2566.0 6608.0,1120.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000030__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[4885.2,1120.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.20906588864162,32.406862515983896]}},{"type":"Feature","properties":{"resourceCoords":[6608.0,1120.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.20808868683588,32.40684897325033]}},{"type":"Feature","properties":{"resourceCoords":[6608.0,2573.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.2081021985509,32.40615420681663]}},{"type":"Feature","properties":{"resourceCoords":[4885.2,2573.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.20907940035664,32.4061677495502]}},{"type":"Feature","properties":{"resourceCoords":[5005.1,2489.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.2090106,32.406207]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000040__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alvarado, Texas | 1907 | sanborn08400_005 p4 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3292.8"},{"label":"split_canvas_h","value":"7764.0"}],"created":"2026-09-21T19:43:33Z","modified":"2026-09-21T19:43:33Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000040__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000040/info.json","type":"ImageService2","height":7764,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3195.6,-0.0 -0.0,0.0 -0.0,7764.0 3292.8,7764.0 3195.6,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000040__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1992.5,4612.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.2134199,32.4089149]}},{"type":"Feature","properties":{"resourceCoords":[1992.5,1052.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.2114519,32.4088874]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000040__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alvarado, Texas | 1907 | sanborn08400_005 p4 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"3292.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3368.0"},{"label":"split_canvas_h","value":"7764.0"}],"created":"2026-09-21T19:43:33Z","modified":"2026-09-21T19:43:33Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000040__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000040/info.json","type":"ImageService2","height":7764,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3292.0,0.0 3292.1,730.6 3482.2,735.3 3561.8,6980.4 3292.7,6983.9 3292.8,7764.0 6660.0,7764.0 6660.0,-0.0 3292.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd403m:g4034m:g4034am:g08400005:sb000040__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6396.3,2888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.2103037,32.4032107]}},{"type":"Feature","properties":{"resourceCoords":[6396.3,692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.209038,32.4031984]}}]}}]}