{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08891_009.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Salt Lake City, Utah | 1949 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"153"},{"label":"placed","value":"85"},{"label":"unplaced","value":"68"},{"label":"fit sources","value":"georef-snap 48, georef 37"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"19 sheet(s) cut into 52 panels"},{"label":"unplaced pages","value":"p0 (tier 4, 40.74689,-111.89777 +/-5217m); p115 (tier 1, 40.76544,-111.92432 +/-263m); p119 (tier 2, 40.76557,-111.91358 +/-100m); p120 (tier 1, 40.76608,-111.90772 +/-263m); p121 (tier 1, 40.76552,-111.90671 +/-257m); p123 (tier 2, 40.76475,-111.90163 +/-100m); p125 (tier 1, 40.76608,-111.88096 +/-259m); p129 (tier 1, 40.76236,-111.91816 +/-261m); p131 (tier 1, 40.74054,-111.88600 +/-260m); p132 (tier 1, 40.74262,-111.89901 +/-249m); p133 (tier 1, 40.76188,-111.90759 +/-255m); p134 (tier 2, 40.76303,-111.90348 +/-100m); p137__2 (tier 1, 40.76455,-111.89531 +/-188m); p138 (tier 1, 40.76390,-111.89246 +/-255m); p139 (tier 1, 40.76394,-111.89252 +/-257m); p140__1 (tier 1, 40.76337,-111.89529 +/-186m); p140__2 (tier 1, 40.76452,-111.89527 +/-190m); p141 (tier 1, 40.75899,-111.92140 +/-256m); p143__1 (tier 1, 40.76006,-111.91739 +/-261m); p143__2 (tier 1, 40.75841,-111.91509 +/-100m); p143__3 (tier 2, 40.75748,-111.91542 +/-100m); p144 (tier 1, 40.76001,-111.90876 +/-274m); p146__1 (tier 1, 40.75885,-111.90671 +/-259m); p146__2 (tier 2, 40.75881,-111.90549 +/-100m); p147 (tier 1, 40.77216,-111.85640 +/-268m); p148 (tier 1, 40.76182,-111.89741 +/-256m); p149 (tier 1, 40.75960,-111.89736 +/-258m); p150 (tier 3, 40.75637,-111.92153 +/-565m); p155 (tier 1, 40.75799,-111.90382 +/-261m); p156 (tier 1, 40.75713,-111.90172 +/-132m); p157 (tier 1, 40.75078,-111.89461 +/-259m); p159 (tier 2, 40.75590,-111.89361 +/-100m); p160__1 (tier 1, 40.74711,-111.90116 +/-191m); p160__2 (tier 1, 40.74693,-111.89866 +/-205m); p161__1 (tier 1, 40.76121,-111.90332 +/-100m); p161__2 (tier 1, 40.75924,-111.90595 +/-260m); p165__1 (tier 1, 40.75245,-111.91528 +/-166m); p165__2 (tier 1, 40.75525,-111.90679 +/-212m); p166 (tier 1, 40.75040,-111.90761 +/-270m); p170 (tier 1, 40.75001,-111.89470 +/-126m); p171 (tier 4, 40.74689,-111.89777 +/-5217m); p173 (tier 2, 40.75240,-111.88679 +/-100m); p181__2 (tier 1, 40.74694,-111.89991 +/-100m); p181__3 (tier 2, 40.74724,-111.89817 +/-100m); p182__1 (tier 1, 40.74569,-111.88544 +/-100m); p182__3 (tier 1, 40.74420,-111.88998 +/-100m); p195__1 (tier 1, 40.73902,-111.89549 +/-100m); p195__3 (tier 1, 40.74104,-111.89171 +/-100m); p207 (tier 2, 40.72974,-111.88161 +/-192m); p210 (tier 2, 40.72774,-111.87897 +/-127m); p217__2 (tier 1, 40.73012,-111.88294 +/-100m); p217__3 (tier 2, 40.73945,-111.90099 +/-1712m); p217__4 (tier 2, 40.73945,-111.90099 +/-1712m); p217__5 (tier 1, 40.72898,-111.88070 +/-194m); p224__2 (tier 1, 40.75300,-111.93556 +/-100m); p225__1 (tier 1, 40.74113,-111.91698 +/-117m); p225__2 (tier 2, 40.75367,-111.92580 +/-100m); p228__1 (tier 1, 40.71026,-111.88376 +/-102m); p228__2 (tier 1, 40.71011,-111.88470 +/-131m); p228__3 (tier 3, 40.71047,-111.88492 +/-565m); p228__4 (tier 3, 40.71047,-111.88492 +/-565m); p228__5 (tier 3, 40.71047,-111.88492 +/-565m); p228__6 (tier 3, 40.71047,-111.88492 +/-565m); p229__1 (tier 1, 40.70046,-111.88695 +/-152m); p232 (tier 1, 40.75017,-111.93849 +/-262m); p233__2 (tier 1, 40.72023,-111.88311 +/-152m); p233__3 (tier 1, 40.72050,-111.88461 +/-100m); p234__2 (tier 2, 40.74683,-111.88625 +/-314m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0116/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p116","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0116/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0116/info.json","type":"ImageService2","height":7796,"width":6272},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"634.7,7203.1 640.4,6649.6 -0.0,6644.1 -0.0,-0.0 6272.0,0.0 6272.0,6654.9 5263.0,6650.1 5250.4,7236.2 634.7,7203.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0116/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92297180672308,40.76727069326994]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91912291054395,40.76730097710015]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91907355796636,40.763652020310246]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92292245414549,40.76362173648004]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0117/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p117","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0117/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0117/info.json","type":"ImageService2","height":7796,"width":6272},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6272.0,-0.0 6272.0,7796.0 -0.0,7796.0 -0.0,0.0 6272.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0117/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[732.0,300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8790622,40.7796438]}},{"type":"Feature","properties":{"resourceCoords":[5432.0,300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8790652,40.7785047]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0118/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p118","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0118/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0118/info.json","type":"ImageService2","height":7796,"width":6272},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6615.0 -0.0,-0.0 6272.0,0.0 6272.0,7796.0 748.1,7796.0 742.3,6608.8 -0.0,6615.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0118/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91728186426718,40.767293383441086]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91342870660259,40.76728539744673]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9134417210073,40.76363236917936]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9172948786719,40.76364035517372]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0122/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p122","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0122/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0122/info.json","type":"ImageService2","height":7796,"width":6272},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6272.0,0.0 6272.0,6756.9 5363.7,6739.6 5151.9,7796.0 -0.0,7796.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0122/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90581218795982,40.76727707300559]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90201013694879,40.7673159282914]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90194681593167,40.76371137271076]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9057488669427,40.76367251742494]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0124/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p124","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0124/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0124/info.json","type":"ImageService2","height":7796,"width":6272},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 6272.0,-0.0 6272.0,7796.0 -0.0,7796.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0124/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[604.0,260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8820601,40.7717041]}},{"type":"Feature","properties":{"resourceCoords":[5268.0,252.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.882052,40.7705617]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0126/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p126","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0126/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0126/info.json","type":"ImageService2","height":7796,"width":6272},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6272.0,7796.0 -0.0,7796.0 -0.0,-0.0 6272.0,0.0 6272.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0126/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.894221705905,40.767902674727246]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89042841287552,40.76784228210405]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89052683191836,40.76424600861624]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89432012494784,40.76430640123944]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0127/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p127","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0127/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0127/info.json","type":"ImageService2","height":7796,"width":6272},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6231.1,0.0 6272.0,7796.0 5179.4,7796.0 5181.2,7491.2 -0.0,7516.4 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0127/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92636627524472,40.76415633070588]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92251154059089,40.76416145914601]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92250314238083,40.76052461569785]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92635787703466,40.76051948725772]}},{"type":"Feature","properties":{"resourceCoords":[2624.0,5180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.924748,40.761742]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0128/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p128","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0128/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0128/info.json","type":"ImageService2","height":7796,"width":6272},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5135.0,591.6 5241.4,7526.7 4523.9,7527.0 4525.3,7796.0 558.6,7796.0 511.2,604.0 5135.0,591.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0128/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92284734520769,40.764184205180754]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91900823652364,40.764185579784844]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91900599649226,40.7605457129398]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92284510517631,40.76054433833571]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0130/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p130","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0130/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0130/info.json","type":"ImageService2","height":7796,"width":6272},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5307.0,0.0 5303.1,1183.0 6272.0,1191.0 6272.0,7796.0 6218.6,7428.5 723.3,7469.6 662.7,0.0 5307.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0130/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92010857106958,40.764181738389354]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9162420135554,40.764198226328425]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9162151452166,40.760532318055304]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92008170273077,40.76051583011623]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0135/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p135","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0135/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0135/info.json","type":"ImageService2","height":7796,"width":6292},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"566.6,1044.1 698.5,770.2 755.5,0.0 5482.3,0.0 5503.6,7721.5 -0.0,7796.0 -0.0,1054.8 566.6,1044.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0135/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90297107176542,40.76419616961308]}},{"type":"Feature","properties":{"resourceCoords":[6292.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89909770058439,40.76417961903911]}},{"type":"Feature","properties":{"resourceCoords":[6292.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89912458542038,40.760518945349034]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90299795660141,40.760535495923]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0136/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p136","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0136/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0136/info.json","type":"ImageService2","height":7796,"width":6272},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"684.3,7796.0 705.9,89.9 6272.0,0.0 6272.0,645.2 5191.9,644.4 5190.6,2850.6 4514.8,2852.3 4483.0,3104.4 5185.6,3105.8 5189.4,3928.3 6272.0,3926.4 6272.0,7796.0 684.3,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0136/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90003157625235,40.764224088661095]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89616272341651,40.76422388192598]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89616306030831,40.76055581224782]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90003191314415,40.76055601898294]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0137__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p137 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3843.2"},{"label":"split_canvas_w","value":"6292.0"},{"label":"split_canvas_h","value":"3952.8"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0137__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0137/info.json","type":"ImageService2","height":7796,"width":6292},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"675.2,7796.0 6292.0,7796.0 6292.0,3844.0 1768.8,3843.4 1767.6,4489.3 683.6,4486.6 678.3,6709.9 -0.0,6710.4 -0.0,6964.1 672.8,6967.1 675.2,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0137__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,3843.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89724979760297,40.76422055595337]}},{"type":"Feature","properties":{"resourceCoords":[6292.0,3843.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8933827707779,40.764225574580976]}},{"type":"Feature","properties":{"resourceCoords":[6292.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89337861369962,40.76238009564927]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89724564052469,40.762375077021666]}},{"type":"Feature","properties":{"resourceCoords":[5352.0,4498.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939598,40.7639188]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0142/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p142","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0142/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0142/info.json","type":"ImageService2","height":7796,"width":6272},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6633.1 -0.0,254.6 6272.0,217.8 6272.0,6638.9 5293.2,6638.0 5292.2,6695.5 -0.0,6633.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0142/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9200769867338,40.760789392013855]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91625011535602,40.76080635696891]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91622247140664,40.75717784924848]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92004934278442,40.75716088429343]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0145/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p145","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0145/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0145/info.json","type":"ImageService2","height":7796,"width":6332},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1713.6,6396.7 1704.4,7796.0 -0.0,7796.0 -0.0,-0.0 6332.0,0.0 6332.0,7796.0 6007.8,7796.0 6005.9,6319.0 1713.6,6396.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0145/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90925945198653,40.76067982155318]}},{"type":"Feature","properties":{"resourceCoords":[6332.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90532096839767,40.76071042262149]}},{"type":"Feature","properties":{"resourceCoords":[6332.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90527157664869,40.75701151851917]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90921006023754,40.75698091745086]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0151/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p151","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0151/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0151/info.json","type":"ImageService2","height":7796,"width":6320},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6230.9,7463.0 6212.0,7463.4 6214.9,7796.0 -0.0,7796.0 -0.0,-0.0 6196.0,0.0 6230.9,7463.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0151/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92072461254408,40.75770519145931]}},{"type":"Feature","properties":{"resourceCoords":[6320.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91674614003811,40.75768706911859]}},{"type":"Feature","properties":{"resourceCoords":[6320.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91677544471298,40.753943350067786]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92075391721895,40.753961472408506]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0152/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p152","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0152/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0152/info.json","type":"ImageService2","height":7796,"width":6272},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"686.4,7796.0 682.7,7633.7 3082.8,7674.9 3078.1,7484.2 5626.0,7375.4 5632.7,7771.6 6272.0,7763.8 6272.0,7796.0 686.4,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0152/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9171634501736,40.75762152642718]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91338085386758,40.757564815505326]}},{"type":"Feature","properties":{"resourceCoords":[6272.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91347325985178,40.75397817238418]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91725585615781,40.75403488330603]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0153/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p153","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0153/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0153/info.json","type":"ImageService2","height":7796,"width":6332},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.8,0.0 6332.0,0.0 6332.0,7796.0 4850.2,7796.0 4848.3,7412.6 2382.0,7487.7 2384.3,7672.3 81.9,7603.7 35.8,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0153/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9168460983983,40.75771993371925]}},{"type":"Feature","properties":{"resourceCoords":[6332.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91289851211765,40.7576975303848]}},{"type":"Feature","properties":{"resourceCoords":[6332.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9129346706931,40.75398991368495]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91688225697375,40.754012317019395]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0154/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p154","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0154/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0154/info.json","type":"ImageService2","height":7796,"width":6340},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6340.0,7796.0 -0.0,7796.0 -0.0,1372.9 1575.5,1401.4 1610.1,0.0 5910.8,0.0 5886.0,1479.4 6210.7,1485.2 6236.2,0.0 6340.0,0.0 6340.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0154/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90915238413723,40.757631573976745]}},{"type":"Feature","properties":{"resourceCoords":[6340.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90521738135058,40.75771645416048]}},{"type":"Feature","properties":{"resourceCoords":[6340.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90508055974001,40.75402530324483]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90901556252666,40.753940423061096]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0158/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p158","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0158/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0158/info.json","type":"ImageService2","height":7796,"width":6312},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6312.0,0.0 6312.0,7796.0 -0.0,7796.0 -0.0,-0.0 6312.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0158/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89726424937918,40.75771215137872]}},{"type":"Feature","properties":{"resourceCoords":[6312.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8933849314894,40.757706765197746]}},{"type":"Feature","properties":{"resourceCoords":[6312.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89339369587434,40.75406992224737]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89727301376412,40.75407530842834]}},{"type":"Feature","properties":{"resourceCoords":[5396.0,5960.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939546,40.7549272]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0162/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p162","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0162/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0162/info.json","type":"ImageService2","height":7796,"width":6332},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.8,519.8 6225.0,587.0 6228.0,0.0 6332.0,0.0 6332.0,4643.5 4656.3,4641.7 4656.0,4960.8 4764.4,4960.9 4778.0,7125.1 34.6,7110.8 0.8,519.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0162/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91684170288204,40.75427760676566]}},{"type":"Feature","properties":{"resourceCoords":[6332.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91286665526532,40.75427091922897]}},{"type":"Feature","properties":{"resourceCoords":[6332.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91287744813593,40.75053727105648]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91685249575265,40.75054395859317]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0163/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p163","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"1"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0163/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0163/info.json","type":"ImageService2","height":7796,"width":6352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6352.0,7796.0 -0.0,7796.0 -0.0,-0.0 6352.0,160.1 6352.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0163/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91786850300343,40.75092131036701]}},{"type":"Feature","properties":{"resourceCoords":[6352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91396463463447,40.7509346933938]}},{"type":"Feature","properties":{"resourceCoords":[6352.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91394299492875,40.747297881450876]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91784686329771,40.74728449842409]}},{"type":"Feature","properties":{"resourceCoords":[3820.0,7520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9154999,40.7474213]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0164/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p164","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0164/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0164/info.json","type":"ImageService2","height":7796,"width":6332},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6332.0,7796.0 -0.0,7796.0 -0.0,2503.1 125.2,2502.4 109.3,321.5 -0.0,321.5 -0.0,-0.0 6332.0,0.0 6332.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0164/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91392503048893,40.752049676778945]}},{"type":"Feature","properties":{"resourceCoords":[6332.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90998046047807,40.75203992107887]}},{"type":"Feature","properties":{"resourceCoords":[6332.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90999620454626,40.74833479496489]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91394077455712,40.74834455066497]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0167/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p167","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0167/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0167/info.json","type":"ImageService2","height":7796,"width":6304},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1232.7,0.0 5358.3,0.0 5542.6,7796.0 5288.2,7796.0 5261.2,6338.1 -0.0,6403.8 -0.0,553.5 1255.3,496.4 1232.7,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0167/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90587030728996,40.754275636700875]}},{"type":"Feature","properties":{"resourceCoords":[6304.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90187700232602,40.75422313783229]}},{"type":"Feature","properties":{"resourceCoords":[6304.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90196210599012,40.75045570589564]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90595541095406,40.75050820476422]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0168/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p168","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0168/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0168/info.json","type":"ImageService2","height":7796,"width":6276},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6276.0,0.0 6276.0,189.2 5404.4,206.6 5532.0,7796.0 945.7,7796.0 762.1,55.3 6276.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0168/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9029459734593,40.75426326405471]}},{"type":"Feature","properties":{"resourceCoords":[6276.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89907136201478,40.75421208364402]}},{"type":"Feature","properties":{"resourceCoords":[6276.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89915469932907,40.75054035807289]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90302931077359,40.750591538483576]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0169/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p169","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0169/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0169/info.json","type":"ImageService2","height":7796,"width":6292},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"745.3,165.6 1607.3,143.6 1606.5,0.0 6292.0,140.6 6292.0,7120.7 5225.6,7154.7 5239.2,7796.0 914.5,7796.0 745.3,165.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0169/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90007456649666,40.754208841396846]}},{"type":"Feature","properties":{"resourceCoords":[6292.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8961472103307,40.75414071343558]}},{"type":"Feature","properties":{"resourceCoords":[6292.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89625786009877,40.75042842761623]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90018521626473,40.75049655557749]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0172/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p172","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0172/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0172/info.json","type":"ImageService2","height":7796,"width":6260},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6260.0,0.0 6260.0,6543.9 5413.2,6576.7 5416.1,7796.0 621.0,7796.0 617.1,6573.3 -0.0,6569.1 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0172/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89146161344436,40.75423550384516]}},{"type":"Feature","properties":{"resourceCoords":[6260.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88761663432801,40.7542317788096]}},{"type":"Feature","properties":{"resourceCoords":[6260.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88762271524827,40.75057877525964]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89146769436462,40.7505825002952]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0174/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p174","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0174/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0174/info.json","type":"ImageService2","height":7796,"width":6280},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5252.3,6947.0 642.7,6906.8 640.1,6352.9 -0.0,6379.5 -0.0,-0.0 5224.3,0.0 5252.3,6947.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0174/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88576414961115,40.75425500596113]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88184534250613,40.75424257968813]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88186556305112,40.750531277702635]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88578437015614,40.75054370397563]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0175/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p175","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0175/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0175/info.json","type":"ImageService2","height":7796,"width":6288},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5281.3,307.4 5283.0,7796.0 693.5,7796.0 692.9,84.0 4646.5,44.7 4645.9,310.3 5281.3,307.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0175/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8829366462343,40.75428472360952]}},{"type":"Feature","properties":{"resourceCoords":[6288.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87901121906896,40.75428421255002]}},{"type":"Feature","properties":{"resourceCoords":[6288.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87901204962846,40.750571372531766]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8829374767938,40.75057188359127]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0176/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p176","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0176/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0176/info.json","type":"ImageService2","height":7796,"width":6280},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2949.8,6787.6 2644.3,7119.6 660.0,7132.9 641.4,263.7 -0.0,269.7 -0.0,-0.0 6280.0,0.0 6263.2,6476.9 5288.2,6480.0 5288.9,6769.0 2949.8,6787.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0176/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88003596170665,40.75426304357852]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87615244001587,40.75425586465976]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87616412179793,40.75057796355201]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88004764348871,40.75058514247077]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0177/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p177","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0177/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0177/info.json","type":"ImageService2","height":7796,"width":6280},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 5996.9,0.0 6006.0,1510.7 6268.3,1525.5 5974.8,3239.6 5771.0,7774.4 -0.0,7796.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0177/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90629236185498,40.75118228667761]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90243274850465,40.75116830019687]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9024556232517,40.74753149260867]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90631523660203,40.74754547908941]}},{"type":"Feature","properties":{"resourceCoords":[3736.0,5296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9040118,40.7487034]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0178/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p178","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0178/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0178/info.json","type":"ImageService2","height":7796,"width":6280},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"500.5,3260.6 785.7,1273.0 5172.5,1314.1 5189.0,2840.3 5390.5,2841.1 5353.5,7796.0 311.5,7796.0 500.5,3260.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0178/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90292134310553,40.75118060528027]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89906181005391,40.75115709495681]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89910026094891,40.74752036303187]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90295979400054,40.747543873355326]}},{"type":"Feature","properties":{"resourceCoords":[2992.0,6096.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9011126,40.7483257]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0179/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p179","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0179/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0179/info.json","type":"ImageService2","height":7796,"width":6280},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"459.5,381.4 681.9,387.3 680.0,515.9 5110.6,657.4 5117.7,0.0 5623.1,8.4 5583.6,7080.7 -0.0,7044.0 -0.0,6881.3 530.8,6890.5 653.9,1917.8 450.7,1913.6 459.5,381.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0179/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9000315035665,40.7507235017375]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89620643003325,40.75075028104619]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89616285608155,40.747127545973484]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8999879296148,40.74710076666479]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0180/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p180","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0180/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0180/info.json","type":"ImageService2","height":7796,"width":6280},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7621.7 -0.0,-0.0 6280.0,0.0 6280.0,5945.1 4426.1,5944.6 4366.7,7625.9 -0.0,7621.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0180/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89660648497092,40.75074357370553]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89280964052254,40.75075395211562]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89279275311698,40.74715799029222]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89658959756535,40.74714761188213]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0181__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p181 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6280.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0181__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0181/info.json","type":"ImageService2","height":7796,"width":6280},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5481.2,7796.0 5485.4,7101.6 5700.4,7098.8 5709.4,7796.0 5833.9,7796.0 5943.9,2214.8 5708.4,2087.6 5624.4,2018.0 4710.8,1191.6 4856.4,1253.2 4846.8,1060.4 4845.2,1028.4 5143.6,943.2 5972.9,747.9 5987.6,0.0 4803.6,0.0 3828.8,0.0 3614.4,0.0 3584.0,0.0 3176.0,0.0 -0.0,-0.0 -0.0,7796.0 5481.2,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0181__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":[-111.9002709645074,40.74744964234251]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89641132039489,40.74745731114387]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89639877814822,40.743820474569304]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90025842226073,40.743812805767945]}},{"type":"Feature","properties":{"resourceCoords":[3636.0,1308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8980342,40.7468439]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0182__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p182 [2]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"16"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6280.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0182__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0182/info.json","type":"ImageService2","height":7796,"width":6280},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3217.3,7423.0 4659.8,7411.3 4671.8,7796.0 4939.9,7796.0 4936.5,7406.7 5808.7,7397.2 5795.9,6278.7 4960.3,6285.0 4942.1,3867.6 6182.3,3852.2 6162.3,946.5 4573.4,944.1 4570.1,444.6 3874.6,444.0 3875.2,0.0 3155.2,0.0 3159.9,451.3 2237.3,460.6 2216.4,1303.5 -0.0,1324.4 -0.0,5124.3 2237.7,5110.6 2240.5,5613.2 3199.2,5605.7 3217.3,7423.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0182__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5464.0,5580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8900403,40.7432771]}},{"type":"Feature","properties":{"resourceCoords":[980.0,1316.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8954519,40.7472295]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0182__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p182 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"924.0"},{"label":"split_canvas_y","value":"5362.8"},{"label":"split_canvas_w","value":"1270.0"},{"label":"split_canvas_h","value":"2433.2"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0182__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0182/info.json","type":"ImageService2","height":7796,"width":6280},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2094.9,6285.0 2094.2,5622.5 1059.8,5622.5 1070.4,7341.1 2189.3,7337.9 2178.4,6285.0 2094.9,6285.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0182__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2094.2,5622.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8883214,40.7432784]}},{"type":"Feature","properties":{"resourceCoords":[1059.8,5622.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8896525,40.7432774]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0183/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p183","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0183/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0183/info.json","type":"ImageService2","height":7796,"width":6280},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"429.9,634.3 6006.8,707.3 6059.7,0.0 6280.0,0.0 6280.0,5679.2 6141.9,5677.2 6115.3,7796.0 -0.0,7796.0 -0.0,-0.0 438.2,0.0 429.9,634.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0183/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90052222713845,40.74409996180176]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89675612902279,40.74414502088589]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8966828159293,40.74057790828712]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90044891404496,40.74053284920299]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0184/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p184","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0184/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0184/info.json","type":"ImageService2","height":7796,"width":6280},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"130.0,4806.2 71.4,96.6 191.4,96.6 189.6,280.8 4456.1,297.7 4452.0,1256.0 6280.0,1259.9 6280.0,4724.9 4474.4,4737.0 4454.0,7796.0 -0.0,7796.0 -0.0,4806.0 130.0,4806.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0184/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4452.0,1256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939562,40.7432667]}},{"type":"Feature","properties":{"resourceCoords":[4452.0,2112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939545,40.7428535]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0185/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p185","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0185/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0185/info.json","type":"ImageService2","height":7796,"width":6280},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1384.0,6802.0 -0.0,6802.7 -0.0,-0.0 1321.3,0.0 1333.8,1238.7 5865.8,1207.0 5919.8,7796.0 1392.0,7796.0 1384.0,6802.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0185/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1384.0,6800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8910837,40.748009]}},{"type":"Feature","properties":{"resourceCoords":[5868.0,1528.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8883197,40.750431]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0186/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p186","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0186/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0186/info.json","type":"ImageService2","height":7796,"width":6280},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"416.0,7161.0 640.1,1220.0 931.4,1231.3 976.3,0.0 5490.3,0.0 5235.6,7342.1 416.0,7161.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0186/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3056.0,6708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8867154,40.7480786]}},{"type":"Feature","properties":{"resourceCoords":[576.0,6708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8882321,40.7480353]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0187/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p187","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0187/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0187/info.json","type":"ImageService2","height":7796,"width":6336},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"588.9,0.0 5175.5,0.0 5280.3,7713.9 709.7,7796.0 588.9,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0187/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88575034242258,40.75096935567257]}},{"type":"Feature","properties":{"resourceCoords":[6336.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88177682231643,40.75093031735748]}},{"type":"Feature","properties":{"resourceCoords":[6336.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88183978316474,40.747200313913574]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8858133032709,40.74723935222866]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0188/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p188","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0188/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0188/info.json","type":"ImageService2","height":7796,"width":6280},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"562.9,7606.5 578.1,1076.3 5164.6,1091.6 5139.5,7612.7 562.9,7606.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0188/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88286777410983,40.75108392450091]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.878944856642,40.75109334369101]}},{"type":"Feature","properties":{"resourceCoords":[6280.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87892953019345,40.74737794370661]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88285244766128,40.74736852451651]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0189/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p189","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"3"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0189/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0189/info.json","type":"ImageService2","height":7796,"width":6288},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"642.3,647.7 2640.9,640.5 2949.7,304.7 5305.7,293.1 5305.9,0.0 6288.0,0.0 6288.0,7796.0 5901.0,7796.0 5907.0,6674.5 5313.6,6674.3 5313.7,7543.8 631.7,7544.1 642.3,647.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0189/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1760.0,7544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8789494,40.7476896]}},{"type":"Feature","properties":{"resourceCoords":[3988.0,7544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8775815,40.7476903]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0190/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p190","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0190/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0190/info.json","type":"ImageService2","height":7796,"width":6296},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5371.1,7456.3 5375.3,7796.0 440.8,7796.0 437.6,7542.7 82.8,7549.2 -0.0,343.4 3712.2,282.8 3704.8,-0.0 6296.0,-0.0 6296.0,214.8 4561.8,228.7 4582.2,2738.7 4906.7,2734.1 4922.0,3608.2 5744.7,3601.6 5819.0,7452.2 5371.1,7456.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0190/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8849940183395,40.7253976558784]}},{"type":"Feature","properties":{"resourceCoords":[6296.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8851188494408,40.719674593039386]}},{"type":"Feature","properties":{"resourceCoords":[6296.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8944038727456,40.71979256601687]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8942790416443,40.72551562885589]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0191/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p191","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0191/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0191/info.json","type":"ImageService2","height":7796,"width":6296},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"442.4,7216.2 512.4,3082.1 -0.0,3073.5 -0.0,696.5 1303.5,699.6 1305.7,236.9 6030.5,251.1 5991.9,7574.7 1268.8,7549.2 1270.5,7222.5 442.4,7216.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0191/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88329191307503,40.74756618364551]}},{"type":"Feature","properties":{"resourceCoords":[6296.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87948236048746,40.7475800976352]}},{"type":"Feature","properties":{"resourceCoords":[6296.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87945977873977,40.74398109369676]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88326933132734,40.74396717970707]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0192/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p192","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0192/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0192/info.json","type":"ImageService2","height":7796,"width":6296},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"513.1,6956.2 518.1,876.9 5229.9,875.1 5229.5,0.0 5826.7,0.0 5821.0,1128.7 6210.5,1128.6 6210.1,0.0 6296.0,0.0 6212.9,6569.1 5226.4,6570.1 5226.4,6947.4 513.1,6956.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0192/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2780.0,6952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8782609,40.7448817]}},{"type":"Feature","properties":{"resourceCoords":[2780.0,876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8782622,40.74769]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0193/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p193","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"1"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0193/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0193/info.json","type":"ImageService2","height":7796,"width":6296},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5935.9,313.0 5916.1,7358.1 1284.1,7379.5 1286.9,6496.3 49.5,6498.9 -0.0,3597.0 436.5,3595.6 469.8,0.0 1285.0,0.0 1285.8,323.3 5935.9,313.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0193/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88329200764673,40.744236431736134]}},{"type":"Feature","properties":{"resourceCoords":[6296.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87942253218387,40.7442281466554]}},{"type":"Feature","properties":{"resourceCoords":[6296.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8794360479142,40.74059131209013]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88330552337706,40.74059959717086]}},{"type":"Feature","properties":{"resourceCoords":[3636.0,320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8810579,40.7440833]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0194/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p194","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0194/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0194/info.json","type":"ImageService2","height":7796,"width":6296},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6296.0,7796.0 6122.2,7796.0 6123.6,7288.8 615.2,7318.7 637.7,377.9 5316.4,373.9 5316.8,0.0 6296.0,0.0 6296.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0194/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88003616022526,40.745055290624336]}},{"type":"Feature","properties":{"resourceCoords":[6296.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87616667287459,40.74505924511796]}},{"type":"Feature","properties":{"resourceCoords":[6296.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8761602217764,40.74142239937961]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88002970912707,40.74141844488599]}},{"type":"Feature","properties":{"resourceCoords":[2888.0,376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8782609,40.7448817]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0195__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p195 [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":"6296.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0195__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0195/info.json","type":"ImageService2","height":7796,"width":6296},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"142.4,6724.1 1678.9,6776.6 1659.7,7421.1 6052.0,7524.0 6045.0,7796.0 6296.0,7796.0 6296.0,2479.6 3620.0,2521.2 3590.3,892.0 1838.0,857.1 1753.7,3849.7 -0.0,3812.0 -0.0,7796.0 105.9,7796.0 142.4,6724.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0195__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1744.0,4212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939425,40.739931]}},{"type":"Feature","properties":{"resourceCoords":[6052.0,7524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8910859,40.7383501]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0196/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p196","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0196/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0196/info.json","type":"ImageService2","height":7796,"width":6288},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"217.2,7496.7 211.6,7796.0 -0.0,7796.0 -0.0,606.3 4055.6,598.2 4056.2,0.0 6288.0,0.0 6288.0,7476.6 217.2,7496.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0196/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89069683456962,40.741884972601916]}},{"type":"Feature","properties":{"resourceCoords":[6288.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88681238776864,40.741890737548495]}},{"type":"Feature","properties":{"resourceCoords":[6288.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88680302043934,40.73821599199739]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89068746724033,40.738210227050814]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0197/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p197","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0197/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0197/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1584.4,0.0 1587.2,659.8 6114.5,611.6 6116.8,890.0 6224.0,886.4 6169.6,7259.7 -0.0,7318.8 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0197/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89494463322517,40.738672875425635]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89101307727496,40.738644386986664]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89105984116941,40.73488664519678]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89499139711961,40.73491513363575]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0198/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p198","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0198/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0198/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3686.0,7269.0 1495.8,7318.6 1439.6,6402.7 -0.0,6430.4 -0.0,628.1 6086.0,494.1 6030.5,0.0 6224.0,0.0 6224.0,7796.0 3693.4,7749.7 3686.0,7269.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0198/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89054704425335,40.73865077413351]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88666044810165,40.73860092790094]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88674227096182,40.73488616078666]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89062886711352,40.73493600701923]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0199/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p199","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0199/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0199/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"157.1,3724.9 204.0,4232.0 120.0,4231.9 121.2,0.0 5877.7,0.0 5870.3,2536.2 6224.0,2535.7 6224.0,7619.9 4744.6,7617.4 4744.4,7196.3 291.6,7207.8 353.9,3728.7 157.1,3724.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0199/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[204.0,4232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8867518,40.7383666]}},{"type":"Feature","properties":{"resourceCoords":[4752.0,2536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8839614,40.7391604]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0200/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p200","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0200/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0200/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7397.5 -0.0,-0.0 4448.9,0.0 4448.0,420.0 5926.1,426.3 5927.2,0.0 6224.0,0.0 6224.0,7436.3 -0.0,7397.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0200/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88669392845622,40.73698215292742]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88286873265203,40.73699611161639]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88284569795316,40.73335930460985]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88667089375735,40.733345345920874]}},{"type":"Feature","properties":{"resourceCoords":[4448.0,420.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.883959,40.7367962]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0201/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p201","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0201/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0201/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5961.8,881.4 5988.4,6976.4 1250.6,6994.6 1250.2,7796.0 369.1,7796.0 359.2,4427.5 -0.0,4429.0 -0.0,-0.0 1257.8,0.0 1253.1,893.2 5961.8,881.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0201/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88327282851776,40.741204626217815]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87950991426186,40.74120263165897]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87951318847003,40.737606220136946]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88327610272593,40.73760821469579]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0202/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p202","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"2"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0202/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0202/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"725.1,7376.1 720.0,464.1 6224.0,419.6 6224.0,7470.6 725.1,7376.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0202/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3048.0,7408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8782257,40.7384041]}},{"type":"Feature","properties":{"resourceCoords":[3048.0,4056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.878223,40.7399662]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0203/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p203","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0203/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0203/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1350.9,6996.3 809.7,6993.8 782.0,2639.7 484.4,2641.6 479.5,1331.6 1348.7,1330.9 1348.3,540.4 6021.9,518.6 6037.7,7389.7 1351.1,7405.0 1350.9,6996.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0203/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88334557948133,40.73823119996875]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87953096257185,40.738226786954904]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8795382064443,40.73458075963582]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88335282335377,40.734585172649666]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0204/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p204","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"1"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0204/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0204/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5140.6,7345.3 5139.9,7035.9 488.5,7024.1 479.4,338.2 5982.4,437.1 5982.8,0.0 6224.0,0.0 6166.0,7344.8 5140.6,7345.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0204/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87994890855971,40.738578301957695]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87612366904195,40.73857682972288]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87612609853126,40.73493998115564]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87995133804903,40.734941453390455]}},{"type":"Feature","properties":{"resourceCoords":[2804.0,372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8782257,40.7384041]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0205/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p205","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0205/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0205/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1449.0,7471.4 -0.0,7452.6 -0.0,3085.8 893.2,3081.5 859.3,0.0 1403.8,0.0 1405.9,411.1 6120.6,373.9 6151.2,7481.9 5644.5,7489.1 5646.9,7796.0 1449.7,7796.0 1449.0,7471.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0205/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88337934195059,40.7349622472294]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87958761216153,40.73494443293221]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87961685290976,40.7313201500721]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88340858269882,40.73133796436929]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0206/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p206","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0206/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0206/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6219.6,6788.5 5203.0,6793.2 5203.5,7447.2 474.0,7451.8 465.3,0.0 5182.6,0.0 5184.1,312.1 6224.0,309.0 6219.6,6788.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0206/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87993279950699,40.73530209021068]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87616101387383,40.735293380784995]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87617530973318,40.731688169300256]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87994709536635,40.73169687872594]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0208/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p208","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0208/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0208/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,1472.5 506.5,1469.2 509.1,633.0 5210.9,650.2 5213.4,0.0 6224.0,0.0 6224.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0208/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87997016242315,40.73214948636547]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87617613482982,40.73215409455437]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87616857114585,40.72852747601832]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87996259873918,40.728522867829426]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0209/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p209","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0209/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0209/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,2401.4 1335.2,2385.8 1318.0,1577.4 -0.0,1595.2 -0.0,188.8 1305.0,172.9 1304.0,0.0 6224.0,0.0 6224.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0209/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88334080620831,40.728197194053756]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87955064360074,40.72816126540276]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87960961173043,40.72453811891493]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.883399774338,40.72457404756592]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0211/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p211","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0211/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0211/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6224.0,1194.5 6224.0,7796.0 4095.3,7796.0 4096.0,7480.0 67.3,7479.8 78.3,1213.0 4112.7,1204.5 4173.8,0.0 4792.1,0.0 4785.3,384.0 6053.0,382.3 6053.8,1096.8 6224.0,1194.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0211/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2008.0,7480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8925792,40.7317715]}},{"type":"Feature","properties":{"resourceCoords":[4096.0,7480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8910981,40.7317727]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0212/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p212","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0212/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0212/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1893.9,393.3 1884.8,865.6 4368.3,997.3 4428.8,3792.3 6224.0,3826.6 6224.0,7796.0 -0.0,7796.0 -0.0,370.5 1893.9,393.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0212/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88952961488185,40.735331928797855]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88557428158212,40.73538587883532]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88548572650903,40.73160523397502]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88944105980876,40.731551283937556]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0213/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p213","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"19"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0213/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0213/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1369.3,7796.0 -0.0,7796.0 -0.0,-0.0 1362.6,75.2 1364.0,620.0 3698.5,608.6 3699.0,791.7 4932.6,785.7 4928.7,0.0 5034.9,0.0 5053.1,842.1 5964.5,822.2 5981.5,7398.2 6224.0,7399.5 6224.0,7454.8 1365.0,7448.3 1369.3,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0213/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1364.0,4780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939754,40.7279117]}},{"type":"Feature","properties":{"resourceCoords":[1364.0,620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939558,40.7317705]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0214/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p214","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"15"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0214/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0214/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1213.5,2760.1 1211.5,2652.4 3369.9,2571.1 3292.9,511.9 5028.4,480.2 5057.8,2653.2 5685.8,2640.3 5773.9,2652.9 5776.4,2814.4 6224.0,2808.4 6224.0,6176.8 5181.7,6278.2 5186.9,6977.8 3509.8,7012.5 3501.2,6603.5 1141.6,6673.1 1069.7,2760.3 1213.5,2760.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0214/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4396.0,4784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8842746,40.7295176]}},{"type":"Feature","properties":{"resourceCoords":[2300.0,4056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8868404,40.7302379]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0215/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p215","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0215/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0215/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,-0.0 1057.2,0.0 1055.8,468.8 6008.5,428.2 6014.4,3638.7 6156.2,3639.3 6224.0,4091.1 6224.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0215/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89518404703742,40.720632134564575]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88810134255898,40.720608811742956]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88813961586621,40.71383725201437]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89522232034464,40.71386057483599]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0217__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p217 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2370.4"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0217__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0217/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2206.5,320.0 522.5,340.0 518.6,0.0 0.0,0.0 -0.0,6366.1 2329.4,6455.0 2206.5,320.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0217__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":[-111.8953054600963,40.73530908900928]}},{"type":"Feature","properties":{"resourceCoords":[2370.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89384795339004,40.735286163506494]}},{"type":"Feature","properties":{"resourceCoords":[2370.4,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89394722193973,40.73165009509838]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89540472864599,40.731673020601164]}},{"type":"Feature","properties":{"resourceCoords":[2206.5,320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939528,40.7351385]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0218/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p218","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0218/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0218/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6224.0,7796.0 -0.0,7796.0 -0.0,620.2 4348.3,608.9 4351.6,1638.3 6224.0,1644.7 6224.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0218/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92598043036276,40.76269511050209]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92598364902487,40.75976733174241]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.93079139254796,40.75977040696705]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.93078817388584,40.76269818572673]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0219/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p219","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0219/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0219/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,326.7 6224.0,257.2 6224.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0219/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92699213644684,40.7608016574769]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92317316346917,40.76078926051644]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.923193519945,40.757140345905306]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92701249292267,40.75715274286576]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0220__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p220 [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":"2558.8"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0220__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0220/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,7502.3 2446.9,7520.0 2386.8,360.1 2548.9,363.2 2548.4,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0220__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2446.9,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9235363,40.7550283]}},{"type":"Feature","properties":{"resourceCoords":[2446.9,7520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.927017,40.7550056]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0220__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p220 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"2548.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3675.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0220__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0220/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5872.0,288.0 3504.4,287.2 3502.4,-0.0 2548.8,0.0 2548.4,0.0 2558.8,7796.0 5874.3,7796.0 5872.0,288.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0220__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5872.0,4208.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9294867,40.7550024]}},{"type":"Feature","properties":{"resourceCoords":[5872.0,288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.927017,40.7550056]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0221/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p221","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0221/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0221/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6224.0,240.6 6224.0,7796.0 -0.0,7796.0 -0.0,2861.1 521.4,2863.5 532.9,225.1 6224.0,240.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0221/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92995248130043,40.75525664942788]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92992774676641,40.7522773183619]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.93481958438417,40.75225368339716]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9348443189182,40.75523301446314]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0222/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p222","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0222/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0222/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,0.0 167.9,-0.0 167.9,207.3 1943.7,208.3 1943.9,-0.0 6224.0,-0.0 6224.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0222/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92995177778857,40.75217111062223]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92993588883938,40.74927129435037]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.934696950485,40.749256111044296]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9347128394342,40.75215592731615]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0223/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p223","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0223/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0223/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5354.5,-0.0 6124.7,-0.0 6182.6,7796.0 5955.4,7796.0 5952.2,7335.8 83.1,7361.2 24.0,463.7 5349.7,484.1 5354.5,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0223/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92561257772044,40.755037031333416]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92561526963699,40.75214800895643]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.93035881481138,40.75215058121102]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.93035612289484,40.755039603588]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0224__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p224 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6224.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0224__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0224/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6177.2,7090.6 6187.8,5492.0 4844.8,5491.2 4842.8,4494.0 6194.5,4474.0 6224.0,-0.0 3999.3,-0.0 3999.4,681.3 1815.4,677.5 1815.9,386.2 -0.0,384.1 -0.0,7301.3 1811.4,7302.0 1811.5,7091.1 6177.2,7090.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0224__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1812.0,2928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.927437,40.7512729]}},{"type":"Feature","properties":{"resourceCoords":[1812.0,6336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9294916,40.7512666]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0225__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p225 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1771.2"},{"label":"split_canvas_w","value":"6224.0"},{"label":"split_canvas_h","value":"6024.8"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0225__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0225/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.9,7796.0 6224.0,7757.3 6224.0,1771.2 5121.6,1811.2 5142.4,2170.4 3522.4,2180.0 3538.8,2958.0 2968.0,2956.0 1514.4,2951.2 4.7,2084.7 89.9,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0225__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[100.0,5633.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9247316,40.7550381]}},{"type":"Feature","properties":{"resourceCoords":[100.0,3410.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9235363,40.7550283]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0226/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p226","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0226/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0226/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4024.2,7550.2 1922.2,7518.0 1926.6,7235.7 870.7,7220.1 101.0,7208.8 170.9,7796.0 7.4,7796.0 -0.0,0.0 6224.0,-0.0 6174.3,6919.0 4033.1,6889.9 4024.2,7550.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0226/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9214256366935,40.752250502709096]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9213573254484,40.74929737947207]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92620590892885,40.749232101990984]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92627422017395,40.75218522522801]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0227__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p227 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6224.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0227__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0227/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3313.2,7796.0 6224.0,7796.0 6224.0,1238.4 4748.0,1194.0 4742.4,0.0 1604.9,0.0 1608.7,601.5 -0.0,616.6 -0.0,2141.2 1620.0,2112.0 1655.0,7796.0 1985.4,7796.0 1989.4,7416.3 3311.6,7410.6 3313.2,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0227__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1620.0,3728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8883577,40.7194449]}},{"type":"Feature","properties":{"resourceCoords":[1620.0,2112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8883487,40.7202377]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0227__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p227 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4742.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1481.6"},{"label":"split_canvas_h","value":"1238.4"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0227__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0227/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6224.0,0.0 4833.7,-0.0 4747.9,1164.3 4748.0,1194.0 6224.0,1238.4 6224.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0227__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[4742.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88819532069644,40.71763405088955]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88728326988026,40.717631090735615]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,1238.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88728652853045,40.71705263363236]}},{"type":"Feature","properties":{"resourceCoords":[4742.4,1238.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88819857934664,40.7170555937863]}},{"type":"Feature","properties":{"resourceCoords":[4814.3,1162.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8881529,40.7170909]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0229__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p229 [2]","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":"6224.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0229__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0229/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6224.0,-0.0 2312.8,0.0 -0.0,0.0 0.0,1970.4 0.0,3401.2 2771.6,3416.8 2734.0,7796.0 2734.4,7796.0 3548.0,7796.0 6224.0,7796.0 6224.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0229__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2424.0,2640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8883729,40.7008539]}},{"type":"Feature","properties":{"resourceCoords":[5968.0,2640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8881896,40.6992095]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0230/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p230","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"21"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0230/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0230/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6224.0,7796.0 3820.9,7796.0 3819.1,6403.5 1644.0,6404.0 1658.6,7796.0 -0.0,7796.0 -0.0,2997.3 4108.2,2956.4 4110.4,426.6 6224.0,420.6 6224.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0230/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1644.0,6404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8896525,40.7432774]}},{"type":"Feature","properties":{"resourceCoords":[2212.0,6404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8893049,40.7432776]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0231/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p231","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0231/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0231/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,271.7 2279.3,235.8 2276.6,0.0 6224.0,0.0 6224.0,7743.5 -0.0,7796.0 -0.0,271.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0231/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88675072575757,40.74617939898049]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88297296563574,40.746144454324075]}},{"type":"Feature","properties":{"resourceCoords":[6224.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88303033544928,40.742534213214846]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8868080955711,40.74256915787126]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0233__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p233 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6224.0"},{"label":"split_canvas_h","value":"6218.0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0233__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0233/info.json","type":"ImageService2","height":7796,"width":6224},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3064.8,6218.0 6224.0,6218.0 6224.0,3541.8 4718.3,3508.1 4777.7,824.8 5437.6,831.8 5438.1,429.5 3108.6,409.1 3112.0,0.0 750.4,0.0 722.5,2513.4 963.3,2518.1 962.5,2572.9 3101.9,2559.4 3064.8,6218.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0233__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4164.0,851.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8841149,40.7270504]}},{"type":"Feature","properties":{"resourceCoords":[764.0,5366.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8882498,40.722802]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0234__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Salt Lake City, Utah | 1949 | sanborn08891_009 p234 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6272.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T05:43:17Z","modified":"2026-09-21T05:43:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0234__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0234/info.json","type":"ImageService2","height":7796,"width":6272},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6451.0 1663.4,6420.6 1664.0,3864.0 3799.8,3856.5 3799.9,4016.3 3962.6,4014.9 3964.5,3856.0 6249.4,3847.9 6251.8,0.0 2212.8,0.0 1912.0,0.0 1377.6,0.0 1377.3,633.5 -0.0,622.0 -0.0,6451.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0234__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1664.0,3864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8881459,40.7460498]}},{"type":"Feature","properties":{"resourceCoords":[1664.0,2092.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.888146,40.7468628]}}]}}]}