{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/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://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0116/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0116","type":"ImageService3","width":1568,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"158.7,1800.8 160.1,1662.4 -0.0,1661.0 -0.0,-0.0 1568.0,0.0 1568.0,1663.7 1315.8,1662.5 1312.6,1809.0 158.7,1800.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1568.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91912291054395,40.76730097710015]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91907355796636,40.763652020310246]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92292245414549,40.76362173648004]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0117/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0117","type":"ImageService3","width":1568,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1568.0,-0.0 1568.0,1949.0 -0.0,1949.0 -0.0,0.0 1568.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0117/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[183.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8790622,40.7796438]}},{"type":"Feature","properties":{"resourceCoords":[1358.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8790652,40.7785047]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0118/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0118","type":"ImageService3","width":1568,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1653.8 -0.0,-0.0 1568.0,0.0 1568.0,1949.0 187.0,1949.0 185.6,1652.2 -0.0,1653.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1568.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91342870660259,40.76728539744673]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9134417210073,40.76363236917936]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9172948786719,40.76364035517372]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0122/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0122","type":"ImageService3","width":1568,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1568.0,0.0 1568.0,1689.2 1340.9,1684.9 1288.0,1949.0 -0.0,1949.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1568.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90201013694879,40.7673159282914]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90194681593167,40.76371137271076]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9057488669427,40.76367251742494]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0124/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0124","type":"ImageService3","width":1568,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 1568.0,-0.0 1568.0,1949.0 -0.0,1949.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0124/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[151.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8820601,40.7717041]}},{"type":"Feature","properties":{"resourceCoords":[1317.0,63.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.882052,40.7705617]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0126/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0126","type":"ImageService3","width":1568,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1568.0,1949.0 -0.0,1949.0 -0.0,-0.0 1568.0,0.0 1568.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1568.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89042841287552,40.76784228210405]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89052683191836,40.76424600861624]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89432012494784,40.76430640123944]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0127/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0127","type":"ImageService3","width":1568,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1557.8,0.0 1568.0,1949.0 1294.8,1949.0 1295.3,1872.8 -0.0,1879.1 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1568.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92251154059089,40.76416145914601]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92250314238083,40.76052461569785]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92635787703466,40.76051948725772]}},{"type":"Feature","properties":{"resourceCoords":[656.0,1295.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.924748,40.761742]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0128/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0128","type":"ImageService3","width":1568,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1283.8,147.9 1310.3,1881.7 1131.0,1881.8 1131.3,1949.0 139.7,1949.0 127.8,151.0 1283.8,147.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1568.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91900823652364,40.764185579784844]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91900599649226,40.7605457129398]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92284510517631,40.76054433833571]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0130/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0130","type":"ImageService3","width":1568,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1326.8,0.0 1325.8,295.8 1568.0,297.8 1568.0,1949.0 1554.7,1857.1 180.8,1867.4 165.7,0.0 1326.8,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1568.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9162420135554,40.764198226328425]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9162151452166,40.760532318055304]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92008170273077,40.76051583011623]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0135/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0135","type":"ImageService3","width":1573,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"141.7,261.0 174.6,192.6 188.9,0.0 1370.6,0.0 1375.9,1930.4 -0.0,1949.0 -0.0,263.7 141.7,261.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1573.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89909770058439,40.76417961903911]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89912458542038,40.760518945349034]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90299795660141,40.760535495923]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0136/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0136","type":"ImageService3","width":1568,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"171.1,1949.0 176.5,22.5 1568.0,0.0 1568.0,161.3 1298.0,161.1 1297.7,712.6 1128.7,713.1 1120.8,776.1 1296.4,776.5 1297.3,982.1 1568.0,981.6 1568.0,1949.0 171.1,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1568.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89616272341651,40.76422388192598]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89616306030831,40.76055581224782]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90003191314415,40.76055601898294]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0137__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0137","type":"ImageService3","width":1573,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"168.8,1949.0 1573.0,1949.0 1573.0,961.0 442.2,960.9 441.9,1122.3 170.9,1121.7 169.6,1677.5 -0.0,1677.6 -0.0,1741.0 168.2,1741.8 168.8,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[0.0,960.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89724979760297,40.76422055595337]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,960.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8933827707779,40.764225574580976]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89337861369962,40.76238009564927]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89724564052469,40.762375077021666]}},{"type":"Feature","properties":{"resourceCoords":[1338.0,1124.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939598,40.7639188]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0142/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0142","type":"ImageService3","width":1568,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1658.3 -0.0,63.6 1568.0,54.5 1568.0,1659.7 1323.3,1659.5 1323.0,1673.9 -0.0,1658.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1568.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91625011535602,40.76080635696891]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91622247140664,40.75717784924848]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92004934278442,40.75716088429343]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0145/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0145","type":"ImageService3","width":1583,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"428.4,1599.2 426.1,1949.0 -0.0,1949.0 -0.0,-0.0 1583.0,0.0 1583.0,1949.0 1502.0,1949.0 1501.5,1579.8 428.4,1599.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1583.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90532096839767,40.76071042262149]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90527157664869,40.75701151851917]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90921006023754,40.75698091745086]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0151/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0151","type":"ImageService3","width":1580,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1557.7,1865.8 1553.0,1865.8 1553.7,1949.0 -0.0,1949.0 -0.0,-0.0 1549.0,0.0 1557.7,1865.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1580.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91674614003811,40.75768706911859]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91677544471298,40.753943350067786]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92075391721895,40.753961472408506]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0152/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0152","type":"ImageService3","width":1568,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"171.6,1949.0 170.7,1908.4 770.7,1918.7 769.5,1871.0 1406.5,1843.8 1408.2,1942.9 1568.0,1941.0 1568.0,1949.0 171.6,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1568.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91338085386758,40.757564815505326]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91347325985178,40.75397817238418]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91725585615781,40.75403488330603]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0153/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0153","type":"ImageService3","width":1583,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"8.9,0.0 1583.0,0.0 1583.0,1949.0 1212.5,1949.0 1212.1,1853.2 595.5,1871.9 596.1,1918.1 20.5,1900.9 8.9,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1583.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91289851211765,40.7576975303848]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9129346706931,40.75398991368495]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91688225697375,40.754012317019395]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0154/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0154","type":"ImageService3","width":1585,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1585.0,1949.0 -0.0,1949.0 -0.0,343.2 393.9,350.4 402.5,0.0 1477.7,0.0 1471.5,369.9 1552.7,371.3 1559.0,0.0 1585.0,0.0 1585.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1585.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90521738135058,40.75771645416048]}},{"type":"Feature","properties":{"resourceCoords":[1585.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90508055974001,40.75402530324483]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90901556252666,40.753940423061096]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0158/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0158","type":"ImageService3","width":1578,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1578.0,0.0 1578.0,1949.0 -0.0,1949.0 -0.0,-0.0 1578.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1578.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8933849314894,40.757706765197746]}},{"type":"Feature","properties":{"resourceCoords":[1578.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89339369587434,40.75406992224737]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89727301376412,40.75407530842834]}},{"type":"Feature","properties":{"resourceCoords":[1349.0,1490.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939546,40.7549272]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0162/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0162","type":"ImageService3","width":1583,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.2,129.9 1556.2,146.8 1557.0,0.0 1583.0,0.0 1583.0,1160.9 1164.1,1160.4 1164.0,1240.2 1191.1,1240.2 1194.5,1781.3 8.7,1777.7 0.2,129.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1583.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91286665526532,40.75427091922897]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91287744813593,40.75053727105648]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91685249575265,40.75054395859317]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0163/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0163","type":"ImageService3","width":1588,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1588.0,1949.0 -0.0,1949.0 -0.0,-0.0 1588.0,40.0 1588.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91396463463447,40.7509346933938]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91394299492875,40.747297881450876]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91784686329771,40.74728449842409]}},{"type":"Feature","properties":{"resourceCoords":[955.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9154999,40.7474213]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0164/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0164","type":"ImageService3","width":1583,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1583.0,1949.0 -0.0,1949.0 -0.0,625.8 31.3,625.6 27.3,80.4 -0.0,80.4 -0.0,-0.0 1583.0,0.0 1583.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1583.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90998046047807,40.75203992107887]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90999620454626,40.74833479496489]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91394077455712,40.74834455066497]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0167/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0167","type":"ImageService3","width":1576,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"308.2,0.0 1339.6,0.0 1385.7,1949.0 1322.0,1949.0 1315.3,1584.5 -0.0,1601.0 -0.0,138.4 313.8,124.1 308.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1576.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90187700232602,40.75422313783229]}},{"type":"Feature","properties":{"resourceCoords":[1576.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90196210599012,40.75045570589564]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90595541095406,40.75050820476422]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0168/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0168","type":"ImageService3","width":1569,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1569.0,0.0 1569.0,47.3 1351.1,51.6 1383.0,1949.0 236.4,1949.0 190.5,13.8 1569.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1569.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89907136201478,40.75421208364402]}},{"type":"Feature","properties":{"resourceCoords":[1569.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89915469932907,40.75054035807289]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90302931077359,40.750591538483576]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0169/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0169","type":"ImageService3","width":1573,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"186.3,41.4 401.8,35.9 401.6,0.0 1573.0,35.1 1573.0,1780.2 1306.4,1788.7 1309.8,1949.0 228.6,1949.0 186.3,41.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1573.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8961472103307,40.75414071343558]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89625786009877,40.75042842761623]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90018521626473,40.75049655557749]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0172/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0172","type":"ImageService3","width":1565,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1565.0,0.0 1565.0,1636.0 1353.3,1644.2 1354.0,1949.0 155.2,1949.0 154.3,1643.3 -0.0,1642.3 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1565.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88761663432801,40.7542317788096]}},{"type":"Feature","properties":{"resourceCoords":[1565.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88762271524827,40.75057877525964]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89146769436462,40.7505825002952]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0174/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0174","type":"ImageService3","width":1570,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1313.1,1736.8 160.7,1726.7 160.0,1588.2 -0.0,1594.9 -0.0,-0.0 1306.1,0.0 1313.1,1736.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1570.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88184534250613,40.75424257968813]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88186556305112,40.750531277702635]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88578437015614,40.75054370397563]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0175/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0175","type":"ImageService3","width":1572,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1320.3,76.8 1320.8,1949.0 173.4,1949.0 173.2,21.0 1161.6,11.2 1161.5,77.6 1320.3,76.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1572.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87901121906896,40.75428421255002]}},{"type":"Feature","properties":{"resourceCoords":[1572.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87901204962846,40.750571372531766]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8829374767938,40.75057188359127]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0176/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0176","type":"ImageService3","width":1570,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"737.5,1696.9 661.1,1779.9 165.0,1783.2 160.3,65.9 -0.0,67.4 -0.0,-0.0 1570.0,0.0 1565.8,1619.2 1322.0,1620.0 1322.2,1692.2 737.5,1696.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1570.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87615244001587,40.75425586465976]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87616412179793,40.75057796355201]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88004764348871,40.75058514247077]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0177/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0177","type":"ImageService3","width":1570,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1499.2,0.0 1501.5,377.7 1567.1,381.4 1493.7,809.9 1442.8,1943.6 -0.0,1949.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1570.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90243274850465,40.75116830019687]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9024556232517,40.74753149260867]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90631523660203,40.74754547908941]}},{"type":"Feature","properties":{"resourceCoords":[934.0,1324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9040118,40.7487034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0178/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0178","type":"ImageService3","width":1570,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"125.1,815.1 196.4,318.2 1293.1,328.5 1297.2,710.1 1347.6,710.3 1338.4,1949.0 77.9,1949.0 125.1,815.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1570.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89906181005391,40.75115709495681]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89910026094891,40.74752036303187]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90295979400054,40.747543873355326]}},{"type":"Feature","properties":{"resourceCoords":[748.0,1524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9011126,40.7483257]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0179/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0179","type":"ImageService3","width":1570,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.9,95.3 170.5,96.8 170.0,129.0 1277.7,164.3 1279.4,0.0 1405.8,2.1 1395.9,1770.2 -0.0,1761.0 -0.0,1720.3 132.7,1722.6 163.5,479.4 112.7,478.4 114.9,95.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1570.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89620643003325,40.75075028104619]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89616285608155,40.747127545973484]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8999879296148,40.74710076666479]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0180/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0180","type":"ImageService3","width":1570,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1905.4 -0.0,-0.0 1570.0,0.0 1570.0,1486.3 1106.5,1486.2 1091.7,1906.5 -0.0,1905.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1570.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89280964052254,40.75075395211562]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89279275311698,40.74715799029222]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89658959756535,40.74714761188213]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0181__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0181","type":"ImageService3","width":1570,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1370.3,1949.0 1371.3,1775.4 1425.1,1774.7 1427.3,1949.0 1458.5,1949.0 1486.0,553.7 1427.1,521.9 1406.1,504.5 1177.7,297.9 1214.1,313.3 1211.7,265.1 1211.3,257.1 1285.9,235.8 1493.2,187.0 1496.9,0.0 1200.9,0.0 957.2,0.0 903.6,0.0 896.0,0.0 794.0,0.0 -0.0,-0.0 -0.0,1949.0 1370.3,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1570.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89641132039489,40.74745731114387]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89639877814822,40.743820474569304]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90025842226073,40.743812805767945]}},{"type":"Feature","properties":{"resourceCoords":[909.0,327.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8980342,40.7468439]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0182__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0182","type":"ImageService3","width":1570,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"804.3,1855.8 1165.0,1852.8 1168.0,1949.0 1235.0,1949.0 1234.1,1851.7 1452.2,1849.3 1449.0,1569.7 1240.1,1571.2 1235.5,966.9 1545.6,963.0 1540.6,236.6 1143.3,236.0 1142.5,111.2 968.6,111.0 968.8,0.0 788.8,0.0 790.0,112.8 559.3,115.2 554.1,325.9 -0.0,331.1 -0.0,1281.1 559.4,1277.7 560.1,1403.3 799.8,1401.4 804.3,1855.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0182__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1366.0,1395.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8900403,40.7432771]}},{"type":"Feature","properties":{"resourceCoords":[245.0,329.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8954519,40.7472295]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0182__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0182","type":"ImageService3","width":1570,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"523.7,1571.2 523.5,1405.6 264.9,1405.6 267.6,1835.3 547.3,1834.5 544.6,1571.2 523.7,1571.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0182__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[523.5,1405.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8883214,40.7432784]}},{"type":"Feature","properties":{"resourceCoords":[264.9,1405.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8896525,40.7432774]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0183/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0183","type":"ImageService3","width":1570,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"107.5,158.6 1501.7,176.8 1514.9,0.0 1570.0,0.0 1570.0,1419.8 1535.5,1419.3 1528.8,1949.0 -0.0,1949.0 -0.0,-0.0 109.5,0.0 107.5,158.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1570.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89675612902279,40.74414502088589]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8966828159293,40.74057790828712]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90044891404496,40.74053284920299]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0184/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0184","type":"ImageService3","width":1570,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.5,1201.5 17.9,24.1 47.9,24.1 47.4,70.2 1114.0,74.4 1113.0,314.0 1570.0,315.0 1570.0,1181.2 1118.6,1184.2 1113.5,1949.0 -0.0,1949.0 -0.0,1201.5 32.5,1201.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0184/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1113.0,314.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939562,40.7432667]}},{"type":"Feature","properties":{"resourceCoords":[1113.0,528.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939545,40.7428535]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0185/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0185","type":"ImageService3","width":1570,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"346.0,1700.5 -0.0,1700.7 -0.0,-0.0 330.3,0.0 333.4,309.7 1466.5,301.8 1480.0,1949.0 348.0,1949.0 346.0,1700.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0185/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[346.0,1700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8910837,40.748009]}},{"type":"Feature","properties":{"resourceCoords":[1467.0,382.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8883197,40.750431]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0186/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0186","type":"ImageService3","width":1570,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"104.0,1790.2 160.0,305.0 232.8,307.8 244.1,0.0 1372.6,0.0 1308.9,1835.5 104.0,1790.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0186/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[764.0,1677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8867154,40.7480786]}},{"type":"Feature","properties":{"resourceCoords":[144.0,1677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8882321,40.7480353]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0187/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0187","type":"ImageService3","width":1584,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"147.2,0.0 1293.9,0.0 1320.1,1928.5 177.4,1949.0 147.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1584.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88177682231643,40.75093031735748]}},{"type":"Feature","properties":{"resourceCoords":[1584.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88183978316474,40.747200313913574]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8858133032709,40.74723935222866]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0188/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0188","type":"ImageService3","width":1570,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"140.7,1901.6 144.5,269.1 1291.2,272.9 1284.9,1903.2 140.7,1901.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1570.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.878944856642,40.75109334369101]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87892953019345,40.74737794370661]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88285244766128,40.74736852451651]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0189/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0189","type":"ImageService3","width":1572,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"160.6,161.9 660.2,160.1 737.4,76.2 1326.4,73.3 1326.5,0.0 1572.0,0.0 1572.0,1949.0 1475.2,1949.0 1476.8,1668.6 1328.4,1668.6 1328.4,1886.0 157.9,1886.0 160.6,161.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0189/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[440.0,1886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8789494,40.7476896]}},{"type":"Feature","properties":{"resourceCoords":[997.0,1886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8775815,40.7476903]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0190/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0190","type":"ImageService3","width":1574,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1342.8,1864.1 1343.8,1949.0 110.2,1949.0 109.4,1885.7 20.7,1887.3 -0.0,85.8 928.0,70.7 926.2,-0.0 1574.0,-0.0 1574.0,53.7 1140.5,57.2 1145.5,684.7 1226.7,683.5 1230.5,902.0 1436.2,900.4 1454.8,1863.0 1342.8,1864.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1574.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8851188494408,40.719674593039386]}},{"type":"Feature","properties":{"resourceCoords":[1574.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8944038727456,40.71979256601687]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8942790416443,40.72551562885589]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0191/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0191","type":"ImageService3","width":1574,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"110.6,1804.0 128.1,770.5 -0.0,768.4 -0.0,174.1 325.9,174.9 326.4,59.2 1507.6,62.8 1498.0,1893.7 317.2,1887.3 317.6,1805.6 110.6,1804.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1574.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87948236048746,40.7475800976352]}},{"type":"Feature","properties":{"resourceCoords":[1574.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87945977873977,40.74398109369676]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88326933132734,40.74396717970707]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0192/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0192","type":"ImageService3","width":1574,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"128.3,1739.0 129.5,219.2 1307.5,218.8 1307.4,0.0 1456.7,0.0 1455.2,282.2 1552.6,282.1 1552.5,0.0 1574.0,0.0 1553.2,1642.3 1306.6,1642.5 1306.6,1736.8 128.3,1739.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0192/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[695.0,1738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8782609,40.7448817]}},{"type":"Feature","properties":{"resourceCoords":[695.0,219.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8782622,40.74769]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0193/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0193","type":"ImageService3","width":1574,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1484.0,78.2 1479.0,1839.5 321.0,1844.9 321.7,1624.1 12.4,1624.7 -0.0,899.2 109.1,898.9 117.5,0.0 321.2,0.0 321.4,80.8 1484.0,78.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1574.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87942253218387,40.7442281466554]}},{"type":"Feature","properties":{"resourceCoords":[1574.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8794360479142,40.74059131209013]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88330552337706,40.74059959717086]}},{"type":"Feature","properties":{"resourceCoords":[909.0,80.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8810579,40.7440833]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0194/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0194","type":"ImageService3","width":1574,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1574.0,1949.0 1530.5,1949.0 1530.9,1822.2 153.8,1829.7 159.4,94.5 1329.1,93.5 1329.2,0.0 1574.0,0.0 1574.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1574.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87616667287459,40.74505924511796]}},{"type":"Feature","properties":{"resourceCoords":[1574.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8761602217764,40.74142239937961]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88002970912707,40.74141844488599]}},{"type":"Feature","properties":{"resourceCoords":[722.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8782609,40.7448817]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0195__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0195","type":"ImageService3","width":1574,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.6,1681.0 419.7,1694.2 414.9,1855.3 1513.0,1881.0 1511.2,1949.0 1574.0,1949.0 1574.0,619.9 905.0,630.3 897.6,223.0 459.5,214.3 438.4,962.4 -0.0,953.0 -0.0,1949.0 26.5,1949.0 35.6,1681.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0195__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[436.0,1053.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939425,40.739931]}},{"type":"Feature","properties":{"resourceCoords":[1513.0,1881.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8910859,40.7383501]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0196/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0196","type":"ImageService3","width":1572,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.3,1874.2 52.9,1949.0 -0.0,1949.0 -0.0,151.6 1013.9,149.6 1014.0,0.0 1572.0,0.0 1572.0,1869.2 54.3,1874.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1572.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88681238776864,40.741890737548495]}},{"type":"Feature","properties":{"resourceCoords":[1572.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88680302043934,40.73821599199739]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89068746724033,40.738210227050814]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0197/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0197","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 396.1,0.0 396.8,164.9 1528.6,152.9 1529.2,222.5 1556.0,221.6 1542.4,1814.9 -0.0,1829.7 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89101307727496,40.738644386986664]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89105984116941,40.73488664519678]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89499139711961,40.73491513363575]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0198/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0198","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"921.5,1817.2 373.9,1829.7 359.9,1600.7 -0.0,1607.6 -0.0,157.0 1521.5,123.5 1507.6,0.0 1556.0,0.0 1556.0,1949.0 923.4,1937.4 921.5,1817.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88666044810165,40.73860092790094]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88674227096182,40.73488616078666]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89062886711352,40.73493600701923]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0199/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0199","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"39.3,931.2 51.0,1058.0 30.0,1058.0 30.3,0.0 1469.4,0.0 1467.6,634.0 1556.0,633.9 1556.0,1905.0 1186.2,1904.3 1186.1,1799.1 72.9,1802.0 88.5,932.2 39.3,931.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0199/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[51.0,1058.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8867518,40.7383666]}},{"type":"Feature","properties":{"resourceCoords":[1188.0,634.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8839614,40.7391604]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0200/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0200","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1849.4 -0.0,-0.0 1112.2,0.0 1112.0,105.0 1481.5,106.6 1481.8,0.0 1556.0,0.0 1556.0,1859.1 -0.0,1849.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88286873265203,40.73699611161639]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88284569795316,40.73335930460985]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88667089375735,40.733345345920874]}},{"type":"Feature","properties":{"resourceCoords":[1112.0,105.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.883959,40.7367962]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0201/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0201","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1490.5,220.3 1497.1,1744.1 312.6,1748.7 312.6,1949.0 92.3,1949.0 89.8,1106.9 -0.0,1107.2 -0.0,-0.0 314.4,0.0 313.3,223.3 1490.5,220.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87950991426186,40.74120263165897]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87951318847003,40.737606220136946]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88327610272593,40.73760821469579]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0202/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0202","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.3,1844.0 180.0,116.0 1556.0,104.9 1556.0,1867.7 181.3,1844.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0202/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[762.0,1852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8782257,40.7384041]}},{"type":"Feature","properties":{"resourceCoords":[762.0,1014.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.878223,40.7399662]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0203/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0203","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"337.7,1749.1 202.4,1748.5 195.5,659.9 121.1,660.4 119.9,332.9 337.2,332.7 337.1,135.1 1505.5,129.7 1509.4,1847.4 337.8,1851.2 337.7,1749.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87953096257185,40.738226786954904]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8795382064443,40.73458075963582]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88335282335377,40.734585172649666]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0204/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0204","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1285.2,1836.3 1285.0,1759.0 122.1,1756.0 119.8,84.5 1495.6,109.3 1495.7,0.0 1556.0,0.0 1541.5,1836.2 1285.2,1836.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87612366904195,40.73857682972288]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87612609853126,40.73493998115564]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87995133804903,40.734941453390455]}},{"type":"Feature","properties":{"resourceCoords":[701.0,93.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8782257,40.7384041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0205/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0205","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"362.2,1867.8 -0.0,1863.2 -0.0,771.5 223.3,770.4 214.8,0.0 350.9,0.0 351.5,102.8 1530.2,93.5 1537.8,1870.5 1411.1,1872.3 1411.7,1949.0 362.4,1949.0 362.2,1867.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87958761216153,40.73494443293221]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87961685290976,40.7313201500721]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88340858269882,40.73133796436929]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0206/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0206","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1554.9,1697.1 1300.8,1698.3 1300.9,1861.8 118.5,1863.0 116.3,0.0 1295.7,0.0 1296.0,78.0 1556.0,77.2 1554.9,1697.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87616101387383,40.735293380784995]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87617530973318,40.731688169300256]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87994709536635,40.73169687872594]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0208/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0208","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,368.1 126.6,367.3 127.3,158.2 1302.7,162.6 1303.3,0.0 1556.0,0.0 1556.0,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87617613482982,40.73215409455437]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87616857114585,40.72852747601832]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87996259873918,40.728522867829426]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0209/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0209","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,600.4 333.8,596.5 329.5,394.4 -0.0,398.8 -0.0,47.2 326.2,43.2 326.0,0.0 1556.0,0.0 1556.0,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87955064360074,40.72816126540276]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.87960961173043,40.72453811891493]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.883399774338,40.72457404756592]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0211/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0211","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1556.0,298.6 1556.0,1949.0 1023.8,1949.0 1024.0,1870.0 16.8,1870.0 19.6,303.2 1028.2,301.1 1043.5,0.0 1198.0,0.0 1196.3,96.0 1513.2,95.6 1513.5,274.2 1556.0,298.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0211/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[502.0,1870.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8925792,40.7317715]}},{"type":"Feature","properties":{"resourceCoords":[1024.0,1870.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8910981,40.7317727]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0212/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0212","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"473.5,98.3 471.2,216.4 1092.1,249.3 1107.2,948.1 1556.0,956.6 1556.0,1949.0 -0.0,1949.0 -0.0,92.6 473.5,98.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88557428158212,40.73538587883532]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88548572650903,40.73160523397502]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88944105980876,40.731551283937556]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0213/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0213","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"342.3,1949.0 -0.0,1949.0 -0.0,-0.0 340.6,18.8 341.0,155.0 924.6,152.2 924.8,197.9 1233.2,196.4 1232.2,0.0 1258.7,0.0 1263.3,210.5 1491.1,205.6 1495.4,1849.5 1556.0,1849.9 1556.0,1863.7 341.2,1862.1 342.3,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0213/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[341.0,1195.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939754,40.7279117]}},{"type":"Feature","properties":{"resourceCoords":[341.0,155.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939558,40.7317705]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0214/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0214","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"303.4,690.0 302.9,663.1 842.5,642.8 823.2,128.0 1257.1,120.0 1264.5,663.3 1421.5,660.1 1443.5,663.2 1444.1,703.6 1556.0,702.1 1556.0,1544.2 1295.4,1569.5 1296.7,1744.5 877.5,1753.1 875.3,1650.9 285.4,1668.3 267.4,690.1 303.4,690.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0214/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1099.0,1196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8842746,40.7295176]}},{"type":"Feature","properties":{"resourceCoords":[575.0,1014.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8868404,40.7302379]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0215/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0215","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,-0.0 264.3,0.0 263.9,117.2 1502.1,107.0 1503.6,909.7 1539.0,909.8 1556.0,1022.8 1556.0,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88810134255898,40.720608811742956]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88813961586621,40.71383725201437]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89522232034464,40.71386057483599]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0217__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0217","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"551.6,80.0 130.6,85.0 129.7,0.0 0.0,0.0 -0.0,1591.5 582.4,1613.8 551.6,80.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[592.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89384795339004,40.735286163506494]}},{"type":"Feature","properties":{"resourceCoords":[592.6,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89394722193973,40.73165009509838]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89540472864599,40.731673020601164]}},{"type":"Feature","properties":{"resourceCoords":[551.6,80.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8939528,40.7351385]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0218/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0218","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1556.0,1949.0 -0.0,1949.0 -0.0,155.1 1087.1,152.2 1087.9,409.6 1556.0,411.2 1556.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92598364902487,40.75976733174241]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.93079139254796,40.75977040696705]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.93078817388584,40.76269818572673]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0219/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0219","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,81.7 1556.0,64.3 1556.0,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92317316346917,40.76078926051644]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.923193519945,40.757140345905306]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92701249292267,40.75715274286576]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0220__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0220","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,1875.6 611.7,1880.0 596.7,90.0 637.2,90.8 637.1,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0220__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[611.7,452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9235363,40.7550283]}},{"type":"Feature","properties":{"resourceCoords":[611.7,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.927017,40.7550056]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0220__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0220","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1468.0,72.0 876.1,71.8 875.6,-0.0 637.2,0.0 637.1,0.0 639.7,1949.0 1468.6,1949.0 1468.0,72.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0220__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1468.0,1052.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9294867,40.7550024]}},{"type":"Feature","properties":{"resourceCoords":[1468.0,72.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.927017,40.7550056]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0221/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0221","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1556.0,60.1 1556.0,1949.0 -0.0,1949.0 -0.0,715.3 130.3,715.9 133.2,56.3 1556.0,60.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92992774676641,40.7522773183619]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.93481958438417,40.75225368339716]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9348443189182,40.75523301446314]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0222/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0222","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,0.0 42.0,-0.0 42.0,51.8 485.9,52.1 486.0,-0.0 1556.0,-0.0 1556.0,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92993588883938,40.74927129435037]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.934696950485,40.749256111044296]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9347128394342,40.75215592731615]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0223/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0223","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1338.6,-0.0 1531.2,-0.0 1545.7,1949.0 1488.8,1949.0 1488.0,1834.0 20.8,1840.3 6.0,115.9 1337.4,121.0 1338.6,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92561526963699,40.75214800895643]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.93035881481138,40.75215058121102]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.93035612289484,40.755039603588]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0224__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0224","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1544.3,1772.7 1547.0,1373.0 1211.2,1372.8 1210.7,1123.5 1548.6,1118.5 1556.0,-0.0 999.8,-0.0 999.9,170.3 453.9,169.4 454.0,96.5 -0.0,96.0 -0.0,1825.3 452.9,1825.5 452.9,1772.8 1544.3,1772.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0224__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[453.0,732.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.927437,40.7512729]}},{"type":"Feature","properties":{"resourceCoords":[453.0,1584.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9294916,40.7512666]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0225__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0225","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"22.5,1949.0 1556.0,1939.3 1556.0,442.8 1280.4,452.8 1285.6,542.6 880.6,545.0 884.7,739.5 742.0,739.0 378.6,737.8 1.2,521.2 22.5,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0225__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[25.0,1408.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9247316,40.7550381]}},{"type":"Feature","properties":{"resourceCoords":[25.0,852.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.9235363,40.7550283]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0226/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0226","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1006.0,1887.5 480.6,1879.5 481.6,1808.9 217.7,1805.0 25.2,1802.2 42.7,1949.0 1.9,1949.0 -0.0,0.0 1556.0,-0.0 1543.6,1729.8 1008.3,1722.5 1006.0,1887.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9213573254484,40.74929737947207]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92620590892885,40.749232101990984]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92627422017395,40.75218522522801]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0227__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0227","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"828.3,1949.0 1556.0,1949.0 1556.0,309.6 1187.0,298.5 1185.6,0.0 401.2,0.0 402.2,150.4 -0.0,154.2 -0.0,535.3 405.0,528.0 413.8,1949.0 496.4,1949.0 497.4,1854.1 827.9,1852.7 828.3,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0227__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[405.0,932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8883577,40.7194449]}},{"type":"Feature","properties":{"resourceCoords":[405.0,528.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8883487,40.7202377]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0227__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0227","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1556.0,0.0 1208.4,-0.0 1187.0,291.1 1187.0,298.5 1556.0,309.6 1556.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1185.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88819532069644,40.71763405088955]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88728326988026,40.717631090735615]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,309.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88728652853045,40.71705263363236]}},{"type":"Feature","properties":{"resourceCoords":[1185.6,309.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88819857934664,40.7170555937863]}},{"type":"Feature","properties":{"resourceCoords":[1203.6,290.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8881529,40.7170909]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0229__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0229","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1556.0,-0.0 578.2,0.0 -0.0,0.0 0.0,492.6 0.0,850.3 692.9,854.2 683.5,1949.0 683.6,1949.0 887.0,1949.0 1556.0,1949.0 1556.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0229__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[606.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8883729,40.7008539]}},{"type":"Feature","properties":{"resourceCoords":[1492.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8881896,40.6992095]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0230/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0230","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1556.0,1949.0 955.2,1949.0 954.8,1600.9 411.0,1601.0 414.6,1949.0 -0.0,1949.0 -0.0,749.3 1027.0,739.1 1027.6,106.7 1556.0,105.2 1556.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0230/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[411.0,1601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8896525,40.7432774]}},{"type":"Feature","properties":{"resourceCoords":[553.0,1601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8893049,40.7432776]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0231/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0231","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,67.9 569.8,59.0 569.1,0.0 1556.0,0.0 1556.0,1935.9 -0.0,1949.0 -0.0,67.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/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":[1556.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88297296563574,40.746144454324075]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88303033544928,40.742534213214846]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8868080955711,40.74256915787126]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0233__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0233","type":"ImageService3","width":1556,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"766.2,1554.5 1556.0,1554.5 1556.0,885.5 1179.6,877.0 1194.4,206.2 1359.4,207.9 1359.5,107.4 777.1,102.3 778.0,0.0 187.6,0.0 180.6,628.4 240.8,629.5 240.6,643.2 775.5,639.9 766.2,1554.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0233__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1041.0,212.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8841149,40.7270504]}},{"type":"Feature","properties":{"resourceCoords":[191.0,1341.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8882498,40.722802]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/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://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0234__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0234","type":"ImageService3","width":1568,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1612.8 415.9,1605.2 416.0,966.0 950.0,964.1 950.0,1004.1 990.6,1003.7 991.1,964.0 1562.3,962.0 1563.0,0.0 553.2,0.0 478.0,0.0 344.4,0.0 344.3,158.4 -0.0,155.5 -0.0,1612.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891194902:08891_02_1949-0234__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[416.0,966.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8881459,40.7460498]}},{"type":"Feature","properties":{"resourceCoords":[416.0,523.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.888146,40.7468628]}}]}}]}