{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn09421_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Martinsburg, West-Virginia | 1897 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"21"},{"label":"placed","value":"17"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 9, georef-snap 8"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p1 (tier 3, 39.45145,-77.96177 +/-588m); p12__1 (tier 1, 39.45341,-77.96420 +/-100m); p12__3 (tier 1, 39.45344,-77.95912 +/-100m); p13 (tier 1, 39.45677,-77.97218 +/-263m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"488.8,6624.3 500.3,443.0 5865.9,467.1 5872.6,2332.9 6452.0,2338.8 6452.0,6702.4 488.8,6624.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.9632157292644,39.45767735654587]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96413651444658,39.454669846817616]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96872381078947,39.455518968187704]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.9678030256073,39.45852647791596]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 2613.4,7652.0 2611.4,5776.1 558.5,5785.4 574.7,434.6 6452.0,372.7 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.9638355064836,39.45776069538678]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.95995832150241,39.45703834759935]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96106008887152,39.45346286912213]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96493727385271,39.45418521690956]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0012__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p12 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"2418.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4033.2"},{"label":"split_canvas_h","value":"3756.0"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0012__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6077.3,92.6 6452.0,94.9 6452.0,0.0 2418.8,0.0 2419.2,2080.8 2419.6,3756.0 6109.4,3738.8 6077.3,92.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3518.0,1888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9655137,39.4512724]}},{"type":"Feature","properties":{"resourceCoords":[6092.2,1888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9651271,39.4525127]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0012__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p12 [4]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3737.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3914.8"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0012__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"717.6,7519.1 0.0,7523.5 0.0,7652.0 6040.4,7631.4 6000.7,3739.3 2419.6,3756.0 661.8,3763.8 717.6,7519.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0012__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[688.0,5588.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9651271,39.4525127]}},{"type":"Feature","properties":{"resourceCoords":[6020.0,5588.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9643329,39.4549949]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0014__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p14 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2865.2"},{"label":"split_canvas_h","value":"3270.8"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0014__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 -0.0,3270.8 2865.2,3261.2 2842.4,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0014__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96152480948457,39.469895998551905]}},{"type":"Feature","properties":{"resourceCoords":[2865.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.9599450841328,39.46931093747961]}},{"type":"Feature","properties":{"resourceCoords":[2865.2,3270.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96081087077133,39.46791761233649]}},{"type":"Feature","properties":{"resourceCoords":[0.0,3270.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.9623905961231,39.468502673408786]}},{"type":"Feature","properties":{"resourceCoords":[2260.9,147.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9603174,39.4693713]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p14 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"2842.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3609.6"},{"label":"split_canvas_h","value":"4198.8"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0014__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 5587.2,0.0 5136.0,0.0 2842.4,-0.0 2865.2,3261.2 3486.8,4198.8 6452.0,4191.2 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4933.0,1899.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9697181,39.4546747]}},{"type":"Feature","properties":{"resourceCoords":[4933.0,3930.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9684692,39.4544238]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0014__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p14 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3261.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4390.8"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0014__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1296.5,7652.0 1285.4,6830.0 6452.0,6854.5 6452.0,4191.2 3486.8,4198.8 2865.2,3261.2 0.0,3270.8 -0.0,7652.0 1296.5,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0014__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4128.0,6856.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9676835,39.4610032]}},{"type":"Feature","properties":{"resourceCoords":[860.0,6856.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9697338,39.4614585]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p2 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3198.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,7652.0 1139.4,7652.0 1239.5,7323.8 3182.9,6735.9 3198.4,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1899.0,3652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9573381,39.4662896]}},{"type":"Feature","properties":{"resourceCoords":[2690.7,6884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9581905,39.4649106]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p2 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"3180.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3271.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 3198.4,0.0 3180.8,7652.0 3832.0,7652.0 6452.0,7652.0 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4708.4,5644.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9583974,39.4552636]}},{"type":"Feature","properties":{"resourceCoords":[3280.8,2812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9588781,39.4566436]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3725.3,7652.0 3701.4,7504.7 564.1,7523.1 463.6,6355.2 249.7,6631.1 -0.0,6671.6 0.0,0.0 1551.4,0.0 1510.5,136.6 2585.6,450.7 2772.4,169.8 6452.0,0.0 6452.0,7652.0 3725.3,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96052845742982,39.465754677976435]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.95693641113881,39.464580870802635]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.9587269736073,39.461268717633196]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.9623190198983,39.462442524806995]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p4 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4226.0"},{"label":"split_canvas_w","value":"2958.0"},{"label":"split_canvas_h","value":"3426.0"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0004__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 2604.0,7652.0 2958.0,7652.0 2915.2,4226.0 0.0,4244.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[679.5,6688.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9546036,39.4651354]}},{"type":"Feature","properties":{"resourceCoords":[2718.2,6528.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9534691,39.4647914]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p4 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"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":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0004__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6232.9,6152.3 4025.8,-0.0 0.0,-0.0 0.0,4244.0 2915.2,4226.0 2958.0,7652.0 3496.3,7652.0 6232.9,6152.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96236856966227,39.466997537134795]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.95945327391576,39.464943213773005]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96260914171872,39.46227393565284]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96552443746523,39.46432825901463]}},{"type":"Feature","properties":{"resourceCoords":[6160.0,944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.959975,39.4647079]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6243.0,3177.5 6186.6,7652.0 -0.0,7652.0 -0.0,3054.1 934.4,3111.4 1421.1,-0.0 4559.1,-0.0 4534.6,3157.0 6243.0,3177.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.9600232558069,39.46247904204761]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96093411774925,39.45954528444088]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96540922995173,39.4603851969744]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96449836800939,39.46331895458113]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"197.8,7160.0 186.7,0.0 6452.0,0.0 6452.0,7652.0 6203.3,7652.0 6197.8,7069.4 197.8,7160.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96261933802467,39.460784942872415]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.95883060514497,39.46004960286252]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.95995223894977,39.456555849052634]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96374097182947,39.45729118906253]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5966.8,497.8 5973.9,6674.4 516.5,6646.0 522.0,6269.4 -0.0,6245.8 -0.0,4838.5 542.9,4838.6 606.7,473.6 5966.8,497.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96239123672684,39.460218655372316]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96332446498872,39.45721112965684]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96791195403814,39.458071694097384]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96697872577627,39.46107921981286]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6268.6,6720.3 856.4,6803.5 821.7,7652.0 -0.0,7652.0 -0.0,1853.4 963.7,1873.4 973.3,988.0 6182.0,1132.8 6268.6,6720.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96987730398831,39.4619753908882]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96611933454234,39.461206108590915]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96729276058409,39.45774077964412]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.97105073003006,39.4585100619414]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Martinsburg, West-Virginia | 1897 | sanborn09421_003 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:03:58Z","modified":"2026-09-23T08:03:58Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2143.6,7652.0 -0.0,7652.0 -0.0,1195.3 772.2,1197.7 809.3,354.1 6191.8,288.2 6237.3,6356.2 6452.0,6351.7 6452.0,6937.4 2145.0,6943.6 2143.6,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894mm:g3894mm_g094211897:09421_1897-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.97084225679485,39.459049463523456]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.9670602949912,39.458285142024636]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.96822610546413,39.45479754364873]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.97200806726778,39.45556186514755]}}]}}]}