{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08198_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Aberdeen, South-Dakota | 1908 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"34"},{"label":"placed","value":"18"},{"label":"unplaced","value":"16"},{"label":"fit sources","value":"georef-snap 9, georef 8, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 23 panels"},{"label":"unplaced pages","value":"p11__2 (tier 1, 45.45887,-98.48246 +/-100m); p11__3 (tier 1, 45.45643,-98.48150 +/-100m); p14__2 (tier 2, 45.45919,-98.49415 +/-100m); p14__3 (tier 1, 45.47404,-98.48536 +/-100m); p14__4 (tier 1, 45.46264,-98.49480 +/-127m); p14__5 (tier 2, 45.45919,-98.49415 +/-100m); p14__7 (tier 1, 45.46389,-98.47359 +/-100m); p15__4 (tier 1, 45.46505,-98.49339 +/-174m); p16__1 (tier 1, 45.45361,-98.48869 +/-147m); p16__2 (tier 1, 45.47106,-98.48541 +/-100m); p16__3 (tier 1, 45.45299,-98.48840 +/-100m); p16__4 (tier 1, 45.45291,-98.48823 +/-100m); p16__6 (tier 1, 45.45263,-98.48690 +/-100m); p16__7 (tier 1, 45.45299,-98.48626 +/-100m); p16__8 (tier 3, 45.45657,-98.48604 +/-1555m); p16__9 (tier 1, 45.45283,-98.49517 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p10","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.58"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0010","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"67.1,428.7 66.7,175.7 558.5,173.9 558.4,153.6 1104.4,85.0 1104.4,86.7 1597.9,174.3 1597.8,188.9 1595.5,1192.5 1597.7,1813.5 1553.1,1885.8 858.9,1898.4 71.3,1890.8 62.7,1878.4 63.2,1402.1 67.1,428.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[558.0,1176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4852035,45.4570501]}},{"type":"Feature","properties":{"resourceCoords":[64.0,1176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.486627,45.4570489]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p11 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0011","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.0,1833.7 52.4,1818.0 153.9,1816.9 321.2,1873.0 857.7,1881.4 1015.6,1741.9 1167.3,1696.7 1193.9,1479.0 1195.5,1475.6 1195.5,1472.7 1196.9,1472.7 1321.4,1216.6 1339.0,1193.9 1429.8,1193.6 1429.0,1121.1 1523.2,1120.0 1584.0,720.7 1518.9,90.8 1104.2,70.4 1104.3,73.2 21.0,69.5 32.1,1159.4 43.0,1833.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[566.0,617.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.480781,45.4580175]}},{"type":"Feature","properties":{"resourceCoords":[1120.0,1161.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4793274,45.4569934]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.50"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0012","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1627.0,1747.9 1585.3,1749.2 1627.0,627.0 1627.0,612.4 1586.3,52.0 286.1,26.1 67.5,85.9 37.1,1761.6 1.0,1775.3 1.0,1775.8 300.1,1822.1 300.5,1848.9 1627.0,1781.0 1627.0,1764.2 1627.0,1747.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48881793105048,45.46918732954195]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48453067631488,45.46916303534915]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48457139255503,45.4655790293859]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48885864729063,45.465603323578705]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.60"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0013","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.9,49.1 1275.7,28.1 1532.3,104.4 1539.2,69.0 1567.6,54.7 1532.9,210.4 1607.8,888.4 1599.2,1877.8 83.6,1900.5 26.2,1830.1 51.9,49.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48226146414775,45.47149503113107]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.4778612972489,45.471477612961706]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.47789049011743,45.46779929290465]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48229065701629,45.467816711074015]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0014__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p14 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.21"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4638.4"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0014__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0014","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"623.8,1187.8 690.6,1299.3 722.6,1926.0 842.1,1926.0 898.6,712.4 924.2,648.2 924.3,645.0 924.6,645.0 925.5,645.0 928.3,638.1 1047.1,638.1 1128.8,459.8 1076.8,80.9 519.9,73.5 126.2,170.1 44.5,549.0 148.5,623.2 454.1,624.5 454.1,624.5 454.2,624.5 454.2,624.6 460.4,630.7 527.3,1180.4 623.8,1187.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0014__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1111.6,376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4938026,45.4621101]}},{"type":"Feature","properties":{"resourceCoords":[1111.6,926.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4938026,45.4611114]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0014__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p14 [6]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.60"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3967.6"},{"label":"split_canvas_w","value":"2646.4"},{"label":"split_canvas_h","value":"3740.4"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0014__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0014","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"624.1,1892.5 621.2,1323.5 440.6,1261.9 397.7,1019.2 182.5,999.5 58.0,1076.5 37.0,1021.1 27.6,1888.7 624.1,1892.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0014__6/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,991.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48596634551524,45.475233088290686]}},{"type":"Feature","properties":{"resourceCoords":[661.6,991.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48413160919354,45.47522645211611]}},{"type":"Feature","properties":{"resourceCoords":[661.6,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.4841450003095,45.47340880149681]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.4859797366312,45.473415437671385]}},{"type":"Feature","properties":{"resourceCoords":[282.8,1214.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4851852,45.4747972]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0015__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p15 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.53"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2492.4"},{"label":"split_canvas_h","value":"3053.2"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0015__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0015","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"77.7,749.2 565.8,734.5 590.0,67.3 289.6,86.0 69.0,27.2 74.5,583.6 77.7,749.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0015__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":[-98.47951042508481,45.463280616556325]}},{"type":"Feature","properties":{"resourceCoords":[623.1,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.47779679346584,45.46326119288712]}},{"type":"Feature","properties":{"resourceCoords":[623.1,763.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.47783047220227,45.46177879108679]}},{"type":"Feature","properties":{"resourceCoords":[0.0,763.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.47954410382124,45.461798214756]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0015__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p15 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.67"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2468.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1949.6"},{"label":"split_canvas_h","value":"3572.0"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0015__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0015","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1039.9,875.7 1038.3,93.0 720.2,91.3 690.9,91.4 633.6,428.1 654.4,868.0 1039.8,883.9 1039.9,875.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0015__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[617.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48781393910102,45.46593834187428]}},{"type":"Feature","properties":{"resourceCoords":[1104.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48780654891854,45.46499262138624]}},{"type":"Feature","properties":{"resourceCoords":[1104.4,893.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.49028149877587,45.464983126351676]}},{"type":"Feature","properties":{"resourceCoords":[617.0,893.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.49028888895835,45.46592884683972]}},{"type":"Feature","properties":{"resourceCoords":[1038.3,93.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4880653,45.4651198]}},{"type":"Feature","properties":{"resourceCoords":[1038.3,93.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4880653,45.4651198]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0015__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p15 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.81"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3802.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2710.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0015__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0015","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1520.8,1755.0 1517.5,1466.3 1519.9,1283.3 1517.6,1010.8 1519.1,163.9 1248.0,103.6 1171.3,108.3 1115.2,212.1 1119.8,491.7 1151.5,492.1 1199.5,1753.3 1203.0,1753.3 1520.8,1755.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0015__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[950.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48320997408541,45.46624633219641]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48319968549463,45.46492970285167]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.48854036676572,45.46490921356656]}},{"type":"Feature","properties":{"resourceCoords":[950.5,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.4885506553565,45.4662258429113]}},{"type":"Feature","properties":{"resourceCoords":[1521.1,1755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4880653,45.4651198]}},{"type":"Feature","properties":{"resourceCoords":[1521.1,1755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4880653,45.4651198]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0016__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p16 [5]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2763.6"},{"label":"split_canvas_w","value":"3954.8"},{"label":"split_canvas_h","value":"2991.6"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0016__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0016","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"970.7,1262.1 964.0,724.2 326.5,760.5 118.3,726.8 42.2,726.0 29.8,1401.2 908.8,1411.5 970.7,1262.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0016__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[543.8,1258.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.48808849512804,45.452789180009226]}},{"type":"Feature","properties":{"resourceCoords":[543.8,736.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.48807076022881,45.453782526485654]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1585.8,1712.7 1563.5,1889.8 1315.3,1902.5 663.2,1898.8 500.6,1819.9 131.9,1817.8 40.6,1675.5 37.9,902.9 34.0,902.7 32.6,94.8 1086.7,100.5 1611.6,105.5 1602.5,1165.2 1601.4,1712.9 1585.8,1712.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1074.0,1166.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.49095563086716,45.46312659709397]}},{"type":"Feature","properties":{"resourceCoords":[1074.0,92.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.48804168321114,45.463138227740195]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1597.7,144.5 1609.0,709.6 1616.1,1776.4 1092.7,1779.0 41.6,1788.4 34.1,1494.4 33.9,1308.0 27.7,1030.4 16.9,154.0 546.6,117.2 547.3,153.6 1078.6,149.8 1078.4,133.7 1597.6,135.2 1597.7,144.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[558.0,710.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4851434283144,45.46411656235119]}},{"type":"Feature","properties":{"resourceCoords":[558.0,1799.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.48810636754934,45.46413463580322]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"27.0,1869.1 40.3,1348.5 24.1,1348.3 32.3,815.4 68.8,815.5 43.9,283.5 30.0,283.4 93.9,7.0 95.3,35.1 1563.0,55.4 1608.8,325.6 1588.2,1303.9 1613.6,1311.5 1602.3,1879.5 1067.0,1878.0 803.6,1875.0 544.4,1874.9 173.0,1871.4 27.0,1869.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[568.0,1868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.48213695209446,45.46213950363758]}},{"type":"Feature","properties":{"resourceCoords":[1569.0,282.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.47948144164121,45.46518281830975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p5","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.1,182.4 574.6,179.2 1587.5,179.4 1587.1,686.2 1588.6,1190.3 1586.7,1706.7 577.8,1707.4 72.7,1708.5 71.8,1616.3 42.1,1616.3 51.1,182.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[574.0,689.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4909507,45.4611058]}},{"type":"Feature","properties":{"resourceCoords":[72.0,689.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4923758,45.4611084]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"12.0,1714.4 15.9,1179.0 16.3,656.1 18.5,130.7 1078.8,133.9 1627.0,128.2 1627.0,322.3 1627.0,1622.3 1063.1,1693.3 1063.2,1714.7 545.6,1716.7 12.0,1714.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[561.0,651.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.48658337048451,45.46111703316503]}},{"type":"Feature","properties":{"resourceCoords":[1061.0,651.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.48521457587813,45.46111800514923]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"22.6,1703.4 33.4,1701.8 33.5,1703.6 559.4,1786.6 559.6,1802.2 1619.3,1798.6 1619.2,1795.9 1556.6,1793.2 1569.2,523.6 1595.2,324.6 1591.6,155.5 1056.7,171.1 793.2,176.3 534.2,184.6 162.8,192.8 7.6,195.3 1.0,195.6 1.0,569.8 22.6,1703.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[559.0,703.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.48215866147201,45.461138676582294]}},{"type":"Feature","properties":{"resourceCoords":[1065.0,703.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.48078633282174,45.461121357932804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p8","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1032.2,73.3 267.4,46.4 269.4,1.0 154.8,1.0 159.2,82.8 58.4,148.0 38.6,855.0 113.4,1886.4 1598.5,1853.7 1597.4,1178.8 1599.1,914.6 1599.3,379.6 1603.2,97.0 1065.2,98.1 1064.3,1.0 1032.7,1.0 1032.2,73.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[528.0,1182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4938212,45.4570543]}},{"type":"Feature","properties":{"resourceCoords":[1064.0,1182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4923923,45.4570517]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Aberdeen, South-Dakota | 1908 | sanborn08198_006 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:10:18Z","modified":"2026-10-19T12:10:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.7,1176.9 28.8,918.0 25.5,394.1 27.6,117.2 1079.8,109.7 1616.5,106.7 1619.7,374.5 1626.1,1405.0 1627.0,1893.0 1589.9,1852.1 742.3,1902.1 70.8,1887.0 34.0,1837.8 28.7,1176.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g081981908:08198_1908-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1084.0,1180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.48809829353367,45.45703088349187]}},{"type":"Feature","properties":{"resourceCoords":[55.0,1184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.4908989217137,45.45704093942374]}}]}}]}