{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn09438_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Parkersburg, West-Virginia | 1916 | 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":"56"},{"label":"placed","value":"39"},{"label":"unplaced","value":"17"},{"label":"fit sources","value":"georef 26, georef-snap 11, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"11 sheet(s) cut into 28 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 39.26999,-81.52842 +/-258m); p24__1 (tier 2, 39.26219,-81.55512 +/-100m); p25__1 (tier 3, 39.27650,-81.55883 +/-566m); p25__2 (tier 3, 39.27650,-81.55883 +/-566m); p26__1 (tier 1, 39.28388,-81.54648 +/-232m); p26__2 (tier 1, 39.28408,-81.54839 +/-106m); p26__3 (tier 1, 39.28343,-81.54739 +/-100m); p27 (tier 3, 39.29284,-81.55813 +/-566m); p28__1 (tier 3, 39.25983,-81.55941 +/-566m); p28__2 (tier 3, 39.25983,-81.55941 +/-566m); p28__3 (tier 1, 39.25935,-81.55655 +/-100m); p28__4 (tier 1, 39.25928,-81.55600 +/-100m); p29__1 (tier 1, 39.25294,-81.53413 +/-106m); p30__1 (tier 1, 39.27475,-81.55522 +/-240m); p39__1 (tier 1, 39.25494,-81.56479 +/-406m); p8__2 (tier 2, 39.26812,-81.55855 +/-100m); p9__2 (tier 1, 39.26344,-81.55846 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5334.1,7143.3 5535.1,7563.5 422.5,7401.4 333.5,1031.9 -0.0,1034.9 2071.6,-0.0 3031.4,-0.0 5106.6,3753.8 5438.3,3685.6 5864.5,3944.1 6368.3,5030.8 5653.8,5063.1 5716.9,7139.6 5334.1,7143.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55521988000963,39.26594628855317]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5530842291712,39.263488080535645]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55682334863087,39.261513200378815]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5589589994693,39.26397140839634]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6537.4 20.8,3530.1 -0.0,3528.0 -0.0,1939.0 -0.0,1939.0 -0.0,1092.5 208.7,0.0 4785.7,0.0 5823.8,2036.9 5565.2,2210.6 5711.9,3001.2 6452.0,2939.3 6452.0,6985.0 5301.1,7078.8 5365.6,7652.0 5068.2,7652.0 5101.0,7095.1 553.5,7054.2 313.3,6635.1 -0.0,6537.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55355929930457,39.26579909585205]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55005660302231,39.2644104798081]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5521687851117,39.26117145324383]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55567148139396,39.26256006928779]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1155.5,6214.3 1608.4,2189.2 865.1,2168.0 807.7,1365.0 3432.5,0.0 5810.8,98.4 5772.8,2308.6 5569.8,2302.8 5528.0,5646.1 6452.0,5384.9 6452.0,7652.0 -0.0,7652.0 -0.0,6178.8 1155.5,6214.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5513170570578,39.264406260451885]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54764163650859,39.26333291011567]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54927425070176,39.25993410570364]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55294967125097,39.261007456039856]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p13","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0013/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"943.9,5742.0 -0.0,6018.6 -0.0,2572.8 208.2,2577.1 218.8,299.0 5073.3,381.0 6452.0,0.0 6452.0,7652.0 967.7,7652.0 943.9,5742.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2580.0,324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5467251,39.2629941]}},{"type":"Feature","properties":{"resourceCoords":[5956.0,5736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5460134,39.2601138]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p14","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0014/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"816.0,7280.0 824.2,7022.8 401.2,7022.3 418.8,5442.8 -0.0,5438.1 0.0,0.0 5639.5,0.0 5633.0,7281.6 816.0,7280.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[816.0,7280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5563912,39.2715262]}},{"type":"Feature","properties":{"resourceCoords":[3224.0,7280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5551015,39.2710145]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p15","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0015/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"267.8,5035.3 781.6,4128.7 822.2,0.0 1248.5,0.0 1240.6,259.2 6096.4,254.4 6072.0,4761.8 4641.3,7427.4 267.8,5035.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6088.0,3408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5546771,39.2692074]}},{"type":"Feature","properties":{"resourceCoords":[3668.0,256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5551015,39.2710145]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p16","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0016/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5529.5,7652.0 1003.0,7652.0 1027.3,0.0 1076.0,116.0 5505.8,67.6 5529.5,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5440.0,2128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.550901,39.2704047]}},{"type":"Feature","properties":{"resourceCoords":[1076.0,116.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5526785,39.2721603]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0017/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0017/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3353.1,7652.0 1308.2,6533.9 2049.9,5225.3 -0.0,4086.9 -0.0,3752.7 1307.4,1380.2 1334.1,395.7 5828.9,419.0 6452.0,5183.2 6452.0,6003.6 6054.7,7652.0 3353.1,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5553849036607,39.26950823093848]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55191686577415,39.26814856581501]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55398512101523,39.26494175852134]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55745315890178,39.266301423644805]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p18","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0018/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0018/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"519.5,6553.2 463.4,3876.3 1563.8,3871.2 1534.1,328.2 6232.3,540.4 6267.2,0.0 6452.0,0.0 6452.0,7652.0 6326.9,7652.0 6305.7,6478.7 519.5,6553.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2608.0,3872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5445496,39.2671985]}},{"type":"Feature","properties":{"resourceCoords":[4656.0,3872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5434338,39.2668081]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0019/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0019/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5560.4,4829.6 5524.4,7065.0 687.0,7191.1 506.9,3820.7 646.5,0.0 6452.0,0.0 6452.0,4526.9 5560.4,4829.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54670073937365,39.26658501546201]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54317682623169,39.26539410740532]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54498830377932,39.26213550271424]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54851221692128,39.26332641077093]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5666.3,3469.8 6452.0,3485.8 6452.0,7652.0 -0.0,7652.0 -0.0,1309.0 719.8,1330.8 732.6,990.8 4615.6,1028.0 4768.7,662.2 5725.6,664.5 5666.3,3469.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.56420471951724,39.266973312511354]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.56198031607612,39.2645790654276]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5656221985891,39.26252214354106]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.56784660203022,39.26491639062482]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p20","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0020/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0020/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"689.5,6915.1 721.7,3658.7 -0.0,3641.4 0.0,-0.0 794.0,0.0 752.0,612.0 6187.6,681.5 6216.3,4718.6 6452.0,4735.3 6452.0,6992.3 689.5,6915.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6132.0,6988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5497491,39.271028]}},{"type":"Feature","properties":{"resourceCoords":[752.0,612.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5509963,39.2747915]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p21","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"14"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0021/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0021/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"644.0,4719.4 404.4,4703.3 360.0,600.0 6185.8,553.6 6169.4,7066.8 652.6,7013.4 644.0,4719.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4224.0,7048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5476851,39.2702302]}},{"type":"Feature","properties":{"resourceCoords":[360.0,600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5480694,39.2736619]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p22","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0022/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0022/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"705.9,7273.6 722.1,6658.5 -0.0,6660.4 -0.0,276.5 6054.1,294.0 6168.9,7329.0 705.9,7273.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2428.0,280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5482392,39.2773577]}},{"type":"Feature","properties":{"resourceCoords":[6104.0,5552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5476394,39.2744157]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p23","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"28"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0023/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0023/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6395.9,7298.7 337.1,7318.7 249.5,272.7 4919.1,308.8 6358.7,42.6 6395.9,7298.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4176.0,4896.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5453738,39.2739019]}},{"type":"Feature","properties":{"resourceCoords":[2228.0,288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5452288,39.2762141]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0024__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p24 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"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":"4091.6"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0024__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0024/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,187.1 1832.0,390.6 1818.0,1575.0 1168.8,1295.0 341.9,3169.7 -0.0,3007.5 -0.0,3468.2 779.5,3916.5 679.4,4090.5 6452.0,4091.6 6452.0,187.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0024__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[264.0,3343.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.556908,39.261874]}},{"type":"Feature","properties":{"resourceCoords":[1168.0,1295.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5558225,39.2624855]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0026__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p26 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3941.6"},{"label":"split_canvas_y","value":"5804.8"},{"label":"split_canvas_w","value":"2510.4"},{"label":"split_canvas_h","value":"1847.2"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0026__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0026/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 6433.5,5811.9 4772.8,5807.2 4758.4,5807.2 3968.4,5804.8 3941.6,7652.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0026__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[3941.6,5804.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54837257301979,39.284156145004715]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,5804.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54711319441206,39.28354290923057]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54769195687484,39.28282072483247]}},{"type":"Feature","properties":{"resourceCoords":[3941.6,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54895133548257,39.283433960606615]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0029__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p29 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"2792.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3660.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0029__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0029/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,2512.4 6452.0,2137.6 6452.0,0.0 2834.4,0.0 2813.2,3810.4 2796.3,6874.2 6452.0,7054.1 6452.0,2512.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0029__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3383.4,4788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5306348,39.2463216]}},{"type":"Feature","properties":{"resourceCoords":[3383.4,6992.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5300528,39.245407]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0029__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p29 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3775.2"},{"label":"split_canvas_w","value":"2813.2"},{"label":"split_canvas_h","value":"3876.8"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0029__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0029/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4267.1 -0.0,7652.0 764.0,7652.0 1752.0,7652.0 2792.0,7652.0 2813.2,3810.4 1783.6,3797.5 1823.7,4108.2 -0.0,4267.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0029__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,3775.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53060686953665,39.245789845889234]}},{"type":"Feature","properties":{"resourceCoords":[2813.2,3775.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52741882631197,39.24663444000524]}},{"type":"Feature","properties":{"resourceCoords":[2813.2,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.525914132026,39.24322756029863]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52910217525069,39.242382966182625]}},{"type":"Feature","properties":{"resourceCoords":[304.1,4314.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5300528,39.245407]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"816.4,1230.1 5868.5,1176.9 5848.4,3544.0 833.6,3611.3 816.4,1230.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.56240057586997,39.265207431795154]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.56024757153365,39.26271733026546]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.56403516216055,39.26072638128182]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.56618816649687,39.263216482811515]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0030__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p30 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"1844.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4608.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0030__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0030/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,5316.4 6452.0,0.0 3662.4,0.0 1857.6,2837.2 1844.0,3730.0 2463.2,3733.2 2461.4,3952.1 4842.2,5122.7 4954.0,7070.2 5328.9,7460.1 6452.0,5316.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0030__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5328.0,7460.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5589716,39.2693495]}},{"type":"Feature","properties":{"resourceCoords":[5024.0,8048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5593222,39.2691617]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0030__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p30 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3721.6"},{"label":"split_canvas_w","value":"2463.2"},{"label":"split_canvas_h","value":"3930.4"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0030__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0030/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2430.8,7652.0 2438.5,6719.0 1962.0,3730.6 1844.0,3730.0 0.0,3721.6 -0.0,7652.0 2430.8,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0030__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,3721.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55075505057668,39.28186214592137]}},{"type":"Feature","properties":{"resourceCoords":[2463.2,3721.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54833371899348,39.28055375623695]}},{"type":"Feature","properties":{"resourceCoords":[2463.2,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55102955660439,39.277561193515716]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5534508881876,39.27886958320014]}},{"type":"Feature","properties":{"resourceCoords":[1775.4,6932.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.551212,39.2784745]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p31","metadata":[{"label":"streets","value":"20"},{"label":"intersections","value":"32"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0031/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0031/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3267.9,6663.0 913.2,6650.8 526.6,3651.2 582.3,118.6 6281.1,98.8 6374.0,1883.2 5819.7,1910.0 5955.7,5187.7 6151.0,6881.8 5177.9,6968.6 5042.6,6887.5 3905.5,7652.0 3768.8,7652.0 3267.9,6663.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4020.0,3124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5482725,39.2673564]}},{"type":"Feature","properties":{"resourceCoords":[4020.0,5852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5497317,39.2651219]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0032__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p32 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3746.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3906.0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0032__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0032/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"661.9,6760.3 -0.0,6980.1 -0.0,7652.0 6452.0,7652.0 6452.0,5365.2 6452.0,3764.0 0.0,3746.0 -0.0,3913.0 181.8,4190.5 -0.0,4483.8 196.3,4587.5 661.9,6760.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0032__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5520.0,5137.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5333595,39.2606356]}},{"type":"Feature","properties":{"resourceCoords":[2664.0,6520.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5375298,39.2611042]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0032__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p32 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"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":"3764.0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0032__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0032/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1474.3,2671.3 1077.3,3749.0 4550.4,3758.7 4173.7,3512.0 4583.1,2886.9 5332.5,3085.4 6223.6,780.3 6101.3,559.1 6452.0,402.1 6452.0,0.0 2412.3,0.0 2375.9,84.0 2318.4,59.1 1677.5,1614.3 1209.3,1582.9 765.7,2612.1 1474.3,2671.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0032__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2236.0,2652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5436006,39.2624987]}},{"type":"Feature","properties":{"resourceCoords":[4744.0,1052.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5405764,39.2639405]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p33","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"61"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0033/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0033/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"529.4,6843.8 538.4,3621.5 683.0,3619.6 645.6,564.2 6079.3,601.2 6108.4,2033.2 5869.9,2029.5 5867.9,2643.9 6081.8,2654.5 6079.9,3593.0 5864.8,3597.7 5857.5,5891.1 6452.0,5896.4 6452.0,7652.0 5249.7,7652.0 5220.7,6640.5 5128.3,6643.2 5118.7,6913.6 529.4,6843.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2848.0,2404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5418352,39.2725891]}},{"type":"Feature","properties":{"resourceCoords":[6076.0,4732.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5395822,39.2693415]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p34","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0034/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0034/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,5349.9 216.8,5343.3 215.7,4401.3 -0.0,4392.4 -0.0,3775.8 240.5,3777.4 201.9,0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0034/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53640530320033,39.274803272888605]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.529550173359,39.2721612850356]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53356921375946,39.265822801960425]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54042434360079,39.26846478981343]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0035/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0035/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6235.5,7327.6 859.5,7331.3 859.0,7652.0 -0.0,7652.0 0.0,-0.0 6452.0,0.0 6452.0,485.2 6259.5,461.7 6088.3,902.3 6235.5,7327.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0035/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5466375951433,39.28432288506991]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53972600549207,39.28169627590492]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54372219037057,39.27530644987512]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5506337800218,39.27793305904011]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p36","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"41"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0036/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0036/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"927.3,6798.5 199.7,6934.0 58.9,420.3 220.4,0.0 6452.0,0.0 6421.5,7431.3 923.3,7374.7 927.3,6798.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1996.0,1368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5390101,39.2795406]}},{"type":"Feature","properties":{"resourceCoords":[2060.0,7388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5420371,39.2745511]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p37","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0037/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0037/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 6452.0,7652.0 -0.0,7652.0 -0.0,0.0 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0037/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54931835130053,39.29568621472401]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54240823472676,39.292953034452495]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.54656718650625,39.28656553359398]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55347730308002,39.28929871386549]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0038/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0038/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 -0.0,7652.0 0.0,-0.0 6452.0,0.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0038/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53570145885448,39.29067935248034]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.52876338165973,39.28815931942418]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53259777877214,39.28174560702545]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.53953585596689,39.28426564008161]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0039__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p39 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"1920.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4531.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0039__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0039/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 6452.0,757.5 6126.8,649.2 3493.5,0.0 2902.3,0.0 2511.6,205.7 2511.6,1866.4 1920.4,7652.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0039__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2684.3,4384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5538808,39.256528]}},{"type":"Feature","properties":{"resourceCoords":[2684.3,7076.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5540451,39.2538247]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"688.0,7296.0 683.2,250.3 3145.3,258.6 3149.1,78.4 5652.0,97.3 5598.1,6864.7 4655.2,6883.6 4514.8,7246.6 688.0,7296.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5636.0,2548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5604013,39.2657878]}},{"type":"Feature","properties":{"resourceCoords":[688.0,7296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5644237,39.2664351]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"782.1,7202.7 902.1,286.2 3326.1,341.2 3322.3,135.0 5813.0,229.6 5751.8,4708.1 5553.2,4930.3 5266.7,4956.7 5068.0,7241.1 782.1,7202.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3324.0,4912.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5607237,39.2642107]}},{"type":"Feature","properties":{"resourceCoords":[864.0,2544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5604013,39.2657878]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"370.6,5095.7 398.0,2645.8 573.1,2643.0 584.0,134.1 6018.1,91.1 5974.3,5139.7 4453.0,5121.5 4461.3,7588.6 512.5,7608.4 579.4,5090.9 370.6,5095.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.56035530655218,39.26728501947189]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.5571902941519,39.26897746494539]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55461584971276,39.2660508351929]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.55778086211305,39.264358389719405]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p7 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3886.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0007__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1387.0,904.2 -0.0,953.9 -0.0,7652.0 3541.9,7652.0 3483.9,331.9 1538.0,351.2 1384.6,485.8 1387.0,904.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3542.2,2592.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5619953,39.2677032]}},{"type":"Feature","properties":{"resourceCoords":[3542.2,7328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5644237,39.2664351]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p7 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"3851.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2600.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0007__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5190.0,0.0 3851.2,0.0 3874.8,5123.6 3886.0,7426.4 3886.0,7652.0 6452.0,7652.0 6452.0,0.0 5640.0,0.0 5190.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6064.5,5892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.566746,39.2652249]}},{"type":"Feature","properties":{"resourceCoords":[6064.5,888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5644237,39.2664351]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p8 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"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":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0008__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"340.5,4876.9 265.5,7239.3 444.4,7379.3 5923.2,7471.0 5984.0,4976.0 4406.0,4959.9 4606.5,4407.4 6452.0,3364.8 6452.0,1789.6 4804.8,1800.8 4809.2,0.0 -0.0,-0.0 -0.0,2667.4 437.5,2680.6 572.5,2846.1 519.8,4882.0 340.5,4876.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2688.0,7432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5589329,39.2679717]}},{"type":"Feature","properties":{"resourceCoords":[5984.0,4976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5582116,39.2697686]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Parkersburg, West-Virginia | 1916 | sanborn09438_006 p9 [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":"2026-09-22T12:21:45Z","modified":"2026-09-22T12:21:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0009__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7474.1 -0.0,7652.0 2364.0,7652.0 3224.0,7652.0 3764.8,7652.0 3763.2,5738.0 6452.0,5728.4 6452.0,-0.0 2291.4,-0.0 368.0,196.0 299.8,-0.0 475.1,2394.0 291.3,2639.5 -0.0,2692.1 -0.0,5051.5 750.3,4993.1 907.8,7400.4 -0.0,7474.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894pm:g3894pm_g094381916:09438_1916-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[368.0,2572.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5599053,39.2633361]}},{"type":"Feature","properties":{"resourceCoords":[368.0,196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5586967,39.2638751]}}]}}]}