{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03665_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Westminster, Maryland | 1887 | 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":"11"},{"label":"placed","value":"8"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 5, georef-snap 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 2, 39.57542,-76.99821 +/-488m); p1__2 (tier 2, 39.57542,-76.99821 +/-488m); p5__3 (tier 1, 39.57657,-76.99318 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westminster, Maryland | 1887 | sanborn03665_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T17:47:22Z","modified":"2026-09-22T17:47:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5787.9 -0.0,-0.0 6452.0,0.0 6452.0,5837.7 -0.0,5787.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00364898422754,39.580414029220385]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00059246682866,39.582225814023246]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.9978240771049,39.579412180941624]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00088059450377,39.57760039613876]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westminster, Maryland | 1887 | sanborn03665_001 p3","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-22T17:47:22Z","modified":"2026-09-22T17:47:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 6356.7,6863.8 4711.8,6891.1 4749.0,7652.0 3998.4,7652.0 3153.4,7242.6 -0.0,7290.9 -0.0,-0.0 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[588.0,7280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9985888,39.575672]}},{"type":"Feature","properties":{"resourceCoords":[3316.0,7280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.997246,39.5764553]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westminster, Maryland | 1887 | sanborn03665_001 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-22T17:47:22Z","modified":"2026-09-22T17:47:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4223.1,759.7 4814.2,769.5 4789.5,0.0 6452.0,0.0 6452.0,7652.0 24.5,7652.0 21.7,325.2 3208.8,329.1 4223.1,759.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[616.0,3900.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9972421,39.5743466]}},{"type":"Feature","properties":{"resourceCoords":[616.0,324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9985888,39.575672]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westminster, Maryland | 1887 | sanborn03665_001 p5 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2476.8"},{"label":"split_canvas_h","value":"2476.8"}],"created":"2026-09-22T17:47:22Z","modified":"2026-09-22T17:47:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0005__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 -0.0,1363.0 616.2,1360.4 535.1,2460.5 2474.0,2476.8 2476.8,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[616.2,1360.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9891209,39.570842]}},{"type":"Feature","properties":{"resourceCoords":[616.2,1932.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9889134,39.5706377]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westminster, Maryland | 1887 | sanborn03665_001 p5 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"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":"2026-09-22T17:47:22Z","modified":"2026-09-22T17:47:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0005__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,5999.2 2452.8,6029.6 2460.8,7652.0 5401.9,7652.0 5345.2,0.0 2476.8,0.0 2474.0,2476.8 0.0,2456.0 0.0,5999.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5964.0,1476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9981479,39.5752343]}},{"type":"Feature","properties":{"resourceCoords":[5964.0,296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9985888,39.575672]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westminster, Maryland | 1887 | sanborn03665_001 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T17:47:22Z","modified":"2026-09-22T17:47:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,1471.5 6452.0,7652.0 4836.1,7652.0 4835.4,7054.4 243.2,7101.5 251.1,7652.0 -0.0,7652.0 -0.0,1487.6 6452.0,1471.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.99666451075338,39.573337127741745]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.99357425271782,39.575193012894324]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.99073875879925,39.572348038730055]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.99382901683481,39.570492153577476]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westminster, Maryland | 1887 | sanborn03665_001 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T17:47:22Z","modified":"2026-09-22T17:47:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"459.7,6914.0 461.6,7652.0 -0.0,7652.0 -0.0,317.4 4675.1,341.6 4667.1,949.8 6311.9,973.5 6325.9,0.0 6452.0,0.0 6452.0,3880.0 5805.7,3872.2 5798.7,5214.3 6406.5,5219.1 6319.6,5986.4 6319.7,6317.3 6452.0,6318.9 6452.0,7652.0 1811.0,7652.0 1819.1,6902.2 459.7,6914.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.99403601188564,39.570883204773935]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.99103446762031,39.57273989846635]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.98819784189214,39.5699764957371]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.99119938615748,39.568119802044684]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westminster, Maryland | 1887 | sanborn03665_001 p8","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-22T17:47:22Z","modified":"2026-09-22T17:47:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,749.4 454.1,753.3 463.8,0.0 1849.5,0.0 1829.5,765.2 6452.0,805.2 6452.0,7652.0 -0.0,7652.0 -0.0,749.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844wm:g3844wm_g036651887:03665_1887-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[452.0,916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9909254,39.5681952]}},{"type":"Feature","properties":{"resourceCoords":[3176.0,7296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9873283,39.5667427]}}]}}]}