{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08891_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Salt Lake City, Utah | 1898 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"114"},{"label":"placed","value":"44"},{"label":"unplaced","value":"70"},{"label":"fit sources","value":"georef-snap 38, georef 3, snap:0 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"11 sheet(s) cut into 34 panels"},{"label":"unplaced pages","value":"p11 (tier 1, 40.75952,-111.89536 +/-257m); p16 (tier 1, 40.75796,-111.89251 +/-261m); p17 (tier 1, 40.77048,-111.89897 +/-256m); p21 (tier 1, 40.75950,-111.89747 +/-255m); p25 (tier 1, 40.76334,-111.90113 +/-252m); p28 (tier 1, 40.75359,-111.90109 +/-256m); p29 (tier 1, 40.77061,-111.90330 +/-128m); p3 (tier 1, 40.77041,-111.89256 +/-250m); p30 (tier 1, 40.76665,-111.90392 +/-251m); p31 (tier 4, 40.76805,-111.89955 +/-2862m); p32 (tier 1, 40.75790,-111.90397 +/-255m); p33 (tier 1, 40.75680,-111.90401 +/-253m); p34 (tier 1, 40.75358,-111.90159 +/-259m); p36 (tier 1, 40.74824,-111.90138 +/-260m); p37__2 (tier 1, 40.74357,-111.90094 +/-119m); p40 (tier 1, 40.76174,-111.90759 +/-252m); p41 (tier 1, 40.77198,-111.90687 +/-261m); p42 (tier 1, 40.76609,-111.90615 +/-259m); p43 (tier 1, 40.77046,-111.90885 +/-236m); p44 (tier 1, 40.76611,-111.90903 +/-261m); p48 (tier 1, 40.76140,-111.90739 +/-257m); p5 (tier 1, 40.76444,-111.89610 +/-126m); p50 (tier 1, 40.76048,-111.91769 +/-272m); p51 (tier 1, 40.76564,-111.91913 +/-274m); p53 (tier 1, 40.77267,-111.91643 +/-266m); p54 (tier 1, 40.76826,-111.91641 +/-265m); p55 (tier 1, 40.77306,-111.91757 +/-258m); p56 (tier 1, 40.77267,-111.91464 +/-258m); p57 (tier 1, 40.77313,-111.90696 +/-264m); p58 (tier 1, 40.77482,-111.90470 +/-260m); p59 (tier 1, 40.77046,-111.90030 +/-257m); p60 (tier 1, 40.77046,-111.89617 +/-260m); p68 (tier 1, 40.77533,-111.89823 +/-252m); p69 (tier 1, 40.77486,-111.90467 +/-262m); p70 (tier 1, 40.77477,-111.90753 +/-256m); p71 (tier 1, 40.77475,-111.91327 +/-251m); p72 (tier 1, 40.78169,-111.91449 +/-269m); p74 (tier 1, 40.77700,-111.91337 +/-264m); p75 (tier 1, 40.77751,-111.90692 +/-259m); p76 (tier 1, 40.77691,-111.90032 +/-263m); p8 (tier 1, 40.76392,-111.89246 +/-253m); p82__2 (tier 2, 40.78579,-111.89977 +/-100m); p83__1 (tier 1, 40.75244,-111.90832 +/-100m); p83__2 (tier 1, 40.75176,-111.90976 +/-100m); p83__3 (tier 1, 40.75184,-111.90895 +/-100m); p84__1 (tier 3, 40.79713,-111.91511 +/-1585m); p84__2 (tier 1, 40.79244,-111.91467 +/-100m); p84__3 (tier 3, 40.79713,-111.91511 +/-1585m); p84__4 (tier 3, 40.79713,-111.91511 +/-1585m); p85__1 (tier 4, 40.76805,-111.89955 +/-2862m); p85__2 (tier 4, 40.76805,-111.89955 +/-2862m); p85__3 (tier 4, 40.76805,-111.89955 +/-2862m); p85__4 (tier 4, 40.76805,-111.89955 +/-2862m); p86__1 (tier 1, 40.74864,-111.89878 +/-226m); p86__2 (tier 1, 40.73945,-111.89935 +/-100m); p86__3 (tier 1, 40.74386,-111.89797 +/-106m); p86__4 (tier 1, 40.74742,-111.89444 +/-100m); p87__1 (tier 1, 40.76991,-111.88548 +/-118m); p87__2 (tier 1, 40.77384,-111.88796 +/-210m); p87__3 (tier 1, 40.76419,-111.88647 +/-100m); p87__4 (tier 1, 40.77193,-111.88746 +/-100m); p87__6 (tier 1, 40.77384,-111.88498 +/-100m); p88__1 (tier 4, 40.76805,-111.89955 +/-2862m); p89__1 (tier 4, 40.76805,-111.89955 +/-2862m); p89__2 (tier 4, 40.76805,-111.89955 +/-2862m); p9 (tier 1, 40.76176,-111.89260 +/-255m); p90__2 (tier 4, 40.76805,-111.89955 +/-2862m); p91__1 (tier 4, 40.76805,-111.89955 +/-2862m); p91__2 (tier 4, 40.76805,-111.89955 +/-2862m); p91__3 (tier 4, 40.76805,-111.89955 +/-2862m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0001/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 | 1898 | sanborn08891_003 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0001","type":"ImageService3","width":1588,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1428.4,180.2 1433.2,277.4 1440.2,1534.5 1447.7,1933.0 1446.0,1933.0 1446.6,1898.7 1251.3,1774.9 1080.1,1777.3 1026.1,1644.2 825.2,1647.0 811.0,1699.3 269.3,1811.2 268.4,1926.9 259.0,1926.9 254.4,1551.0 221.5,1554.5 116.9,1475.6 157.1,726.0 73.2,585.8 62.0,318.0 148.6,130.7 267.4,106.7 320.5,180.3 536.4,184.7 850.8,306.8 1340.4,188.2 1345.9,14.4 1374.8,14.3 1387.0,14.3 1388.5,75.9 1428.4,180.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1411.0,355.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.89400576369489,40.77156049203066]}},{"type":"Feature","properties":{"resourceCoords":[1411.0,1575.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.89404728645168,40.769349539485205]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0010/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 | 1898 | sanborn08891_003 p10","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.20"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0010","type":"ImageService3","width":1605,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1450.8,1425.5 1462.4,1542.4 1377.8,1543.2 1385.0,1692.6 1385.3,1826.7 830.6,1728.0 429.6,1803.0 157.4,1674.5 166.0,731.0 90.8,323.4 174.2,127.2 907.8,241.2 1150.0,128.2 1429.9,90.8 1535.6,340.0 1452.1,581.4 1428.6,1351.2 1450.6,1353.2 1450.8,1425.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89443704923609,40.76348517792222]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8906578309593,40.763488223218054]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89065295901851,40.7600048254671]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8944321772953,40.760001780171265]}},{"type":"Feature","properties":{"resourceCoords":[1378.0,975.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8911899,40.7617452]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0012/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 | 1898 | sanborn08891_003 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.24"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0012","type":"ImageService3","width":1605,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"248.2,1923.6 248.2,1538.3 169.8,1538.9 167.8,1497.9 179.2,1494.8 248.7,712.4 210.8,594.6 168.8,587.5 167.5,456.4 159.4,310.4 242.5,309.0 230.3,194.9 229.6,124.2 460.7,143.1 550.4,231.0 825.4,229.3 884.3,147.8 1463.6,100.0 1481.7,1855.8 1147.2,1843.1 864.1,1719.4 270.1,1782.0 268.9,1923.7 248.2,1923.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89156652298394,40.76129902267287]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88771918788272,40.76128119031237]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88774757616511,40.75771747224844]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89159491126632,40.75773530460894]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0013/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 | 1898 | sanborn08891_003 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.41"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0013","type":"ImageService3","width":1588,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"799.5,46.2 1128.2,86.7 1364.6,22.3 1366.7,62.5 1443.7,61.7 1444.8,440.1 1465.2,440.1 1457.8,1829.8 1460.3,1844.8 1379.2,1850.9 247.4,1871.6 247.4,1854.8 244.2,1155.9 233.4,74.7 799.5,46.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89451636010953,40.7586226670284]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89064044993911,40.7585959565022]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89068342481862,40.7549671470736]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89455933498904,40.7549938575998]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0014/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 | 1898 | sanborn08891_003 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.38"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0014","type":"ImageService3","width":1605,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"204.8,162.7 204.4,139.0 204.0,120.8 1343.8,83.6 1425.5,76.3 1507.1,526.5 1445.0,1017.1 1531.5,1256.0 1481.5,1636.8 1516.3,1869.6 170.1,1849.9 140.6,1529.4 210.0,1352.5 127.3,646.3 136.3,164.2 204.8,162.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89444101080365,40.7553657135075]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8905535447308,40.75529654548175]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89066364629542,40.751695305145724]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89455111236826,40.75176447317148]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0015/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 | 1898 | sanborn08891_003 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.32"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0015","type":"ImageService3","width":1588,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1440.6,1881.1 1440.7,1904.7 1372.5,1905.2 1373.9,1861.6 297.7,1856.5 150.4,1756.1 149.8,854.9 81.2,550.2 129.0,150.1 267.2,54.4 941.0,84.8 1426.8,60.4 1437.4,1145.0 1440.4,1846.1 1440.6,1881.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89741866856151,40.75861498539327]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8935548879058,40.758589096056994]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89359654171287,40.75497165585003]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89746032236859,40.754997545186306]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0018/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 | 1898 | sanborn08891_003 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.45"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0018","type":"ImageService3","width":1605,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"732.0,126.5 1330.3,509.3 1334.3,634.6 1433.8,634.2 1437.7,708.4 1550.5,707.4 1583.5,707.2 1583.6,722.1 1503.5,720.0 1447.5,954.7 1516.1,1305.3 1490.8,1715.4 1508.1,1716.5 1430.5,1819.0 1433.8,1851.3 1066.8,1854.0 1066.8,1863.2 191.3,1851.8 143.2,1361.8 192.7,1215.0 126.1,864.4 218.4,765.1 217.2,643.1 252.4,642.8 732.0,126.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90135203142201,40.76679272248019]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90131613571634,40.76977213852951]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89657256394263,40.7697388923476]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89660845964829,40.766759476298276]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0019/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 | 1898 | sanborn08891_003 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.18"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0019","type":"ImageService3","width":1588,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1378.5,1864.3 263.1,1854.8 263.4,1925.3 242.1,1925.4 188.9,1925.7 188.3,1805.9 209.0,1760.5 208.7,1471.6 141.4,1405.0 140.8,894.0 81.1,864.5 162.3,116.3 161.9,100.2 515.2,51.2 820.3,49.2 835.4,76.4 931.1,76.6 949.2,49.4 1304.3,51.4 1545.6,49.5 1512.3,92.5 1446.3,981.3 1521.6,1558.9 1477.8,1796.7 1452.6,1796.6 1453.9,1871.8 1378.5,1864.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90307029396608,40.765089152869415]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89927827065449,40.765085652093795]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89928390364497,40.76153572903811]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90307592695656,40.76153922981373]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0002/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 | 1898 | sanborn08891_003 p2","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.51"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0002","type":"ImageService3","width":1605,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"203.7,597.0 200.3,500.6 162.3,396.5 160.2,168.1 128.8,168.8 130.2,139.3 233.2,137.8 233.4,104.0 1338.6,80.7 1316.2,109.4 1449.0,146.4 1521.8,1644.7 1550.1,1701.3 1404.9,1848.5 1293.8,1845.9 836.8,1847.0 192.0,1843.5 203.7,597.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[192.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.893976,40.76935]}},{"type":"Feature","properties":{"resourceCoords":[1385.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8910968,40.7693515]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0020/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 | 1898 | sanborn08891_003 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.33"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0020","type":"ImageService3","width":1605,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"233.2,1767.4 242.2,1053.8 243.5,782.4 203.8,669.8 205.2,284.2 250.5,206.9 251.6,83.2 1366.7,106.7 1442.0,115.1 1441.6,40.0 1448.6,40.0 1466.8,40.3 1458.2,83.9 1514.9,343.8 1463.7,906.0 1524.9,1425.1 1490.3,1846.8 274.5,1847.8 272.2,1858.3 233.3,1857.7 233.2,1767.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0020/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90305050333058,40.76185638831247]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89921776495922,40.761889723367496]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89916469716123,40.75833952280481]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90299743553258,40.75830618774978]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0022/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 | 1898 | sanborn08891_003 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.65"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0022","type":"ImageService3","width":1605,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"209.2,1401.3 176.8,656.5 68.3,363.8 113.1,126.9 184.2,119.8 186.9,22.4 253.5,22.6 253.9,65.5 1481.7,123.9 1508.5,1810.6 1228.5,1903.8 535.2,1878.4 550.8,1842.4 485.2,1827.1 172.4,1824.3 152.7,1771.8 209.2,1401.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0022/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90304965830042,40.755376966379536]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89916243716286,40.75539450345662]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89913452174127,40.75179348064641]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90302174287883,40.75177594356933]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0023/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 | 1898 | sanborn08891_003 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.71"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0023","type":"ImageService3","width":1588,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1432.1,1100.2 1431.5,1214.9 1356.0,1217.8 1354.9,1319.0 1227.4,1321.2 829.2,1924.0 804.8,1900.7 240.5,1886.5 240.5,1872.2 160.6,1859.5 154.5,1926.5 87.8,1925.8 116.0,1776.7 28.2,1487.9 29.8,1199.7 127.3,1067.2 132.4,121.2 304.0,48.2 1359.1,82.3 1411.1,101.8 1478.5,313.3 1448.5,1045.0 1432.4,1066.6 1432.1,1100.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90303724760341,40.77165289947291]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89923690623417,40.771668607620995]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8992116282278,40.76811125055328]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90301196959705,40.7680955424052]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0024/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 | 1898 | sanborn08891_003 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.44"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0024","type":"ImageService3","width":1605,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"161.5,156.4 167.5,89.9 246.9,102.5 246.9,116.8 807.5,130.7 1346.4,646.0 1346.2,681.5 1469.5,682.1 1568.4,776.8 1516.5,785.9 1470.8,1035.3 1548.0,1821.2 1506.8,1873.9 1267.6,1874.3 915.6,1869.9 897.6,1896.8 802.7,1896.0 787.9,1869.0 485.5,1869.0 135.0,1915.3 129.7,1571.5 70.8,1541.8 56.8,1380.2 183.4,1204.7 184.7,962.4 98.0,594.8 128.0,514.2 113.4,462.8 121.1,404.1 99.2,352.6 121.8,279.3 95.3,155.8 161.5,156.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90303356012114,40.768424100043056]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89916705877228,40.76843971902192]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89914219163398,40.76485860129595]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90300869298285,40.764842982317084]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0026/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 | 1898 | sanborn08891_003 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.27"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0026","type":"ImageService3","width":1605,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"196.6,124.9 931.5,260.8 1096.0,263.9 1337.6,149.7 1389.1,42.6 1393.7,42.6 1392.0,153.0 1466.7,154.1 1466.3,177.8 1465.8,207.6 1419.8,284.8 1415.4,671.5 1454.4,784.6 1451.0,1056.9 1436.7,1772.6 1436.1,1863.1 1308.9,1860.4 1040.2,1866.2 242.3,1852.4 183.1,1850.7 206.6,664.4 180.1,663.9 182.7,573.4 196.6,124.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90594546202666,40.761811176600865]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90212461091762,40.761866406203396]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90203668733182,40.75832724580943]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90585753844086,40.7582720162069]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0027/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 | 1898 | sanborn08891_003 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.23"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0027","type":"ImageService3","width":1588,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1326.8,1890.1 433.2,1902.9 207.2,1854.0 145.9,1772.8 126.8,960.3 81.7,960.9 124.0,766.4 112.5,757.5 162.2,462.2 157.5,79.0 241.2,78.7 1042.3,65.9 1311.7,51.1 1439.4,49.6 1478.5,49.2 1424.7,330.2 1466.7,1761.5 1467.4,1784.7 1399.4,1785.8 1398.7,1885.3 1326.2,1894.0 1326.8,1890.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0027/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90585448441212,40.75860444389111]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90208859838866,40.75856322709583]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90215491295402,40.7550374476027]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90592079897748,40.755078664397985]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0035/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 | 1898 | sanborn08891_003 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.68"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0035","type":"ImageService3","width":1588,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1207.4,52.6 1521.1,53.7 1587.0,68.7 1571.6,105.0 1551.6,104.3 1484.7,895.3 1550.6,1657.0 1425.0,1854.7 89.6,1897.8 38.1,1641.4 46.5,96.0 1182.7,30.9 1184.3,20.3 1194.9,20.1 1207.4,52.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0035/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90552081007426,40.75210359888979]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90168698845646,40.75210550598515]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90168392042304,40.74851573364969]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90551774204084,40.74851382655433]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0037__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 | 1898 | sanborn08891_003 p37 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.28"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6396.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0037__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0037","type":"ImageService3","width":1599,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"527.1,1414.6 1581.5,1391.6 1550.4,284.4 1488.0,58.9 486.4,28.7 152.9,68.9 69.7,107.2 100.6,182.3 35.0,536.9 123.4,1199.1 71.7,1387.8 120.9,1884.7 447.1,1874.7 521.9,1444.5 521.5,1415.5 527.0,1415.4 527.1,1414.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0037__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":[-111.90065837766925,40.74410108395176]}},{"type":"Feature","properties":{"resourceCoords":[1599.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89690576886072,40.744079672024405]}},{"type":"Feature","properties":{"resourceCoords":[1599.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89693997462736,40.74058974394453]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90069258343588,40.74061115587189]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0038/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 | 1898 | sanborn08891_003 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.25"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0038","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1457.5,1935.0 1392.8,1886.8 944.0,1851.7 524.7,1907.7 91.5,1835.0 28.7,1305.3 40.3,217.1 110.7,44.0 106.4,26.7 385.1,22.1 385.1,9.7 761.4,17.1 1380.4,29.4 1472.6,39.2 1531.2,45.4 1558.1,45.7 1544.2,1252.9 1519.6,1252.4 1514.7,1640.7 1457.5,1935.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0038/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90907045022472,40.76066363112732]}},{"type":"Feature","properties":{"resourceCoords":[1615.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90529175823161,40.76069441946016]}},{"type":"Feature","properties":{"resourceCoords":[1615.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90524305060104,40.75721578105298]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90902174259415,40.75718499272014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0039/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 | 1898 | sanborn08891_003 p39","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.44"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0039","type":"ImageService3","width":1588,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"60.1,1680.4 68.2,68.5 1455.4,75.5 1531.1,181.8 1532.7,1385.1 1558.8,1389.6 1551.0,1846.7 1549.8,1927.9 1495.3,1933.5 1491.0,1933.1 1398.7,1923.8 402.0,1909.7 402.0,1922.1 175.2,1927.2 122.8,1927.5 60.1,1680.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0039/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9091309983863,40.7640541583213]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90542006283121,40.76406845558519]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90539705856037,40.76059428966755]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90910799411546,40.76057999240366]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0004/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 | 1898 | sanborn08891_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.17"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0004","type":"ImageService3","width":1605,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"137.8,689.0 141.1,672.0 158.6,244.9 859.9,280.2 1357.2,301.3 1477.9,309.6 1498.1,310.8 1467.0,933.5 1440.4,1537.2 1430.5,1667.9 1349.2,1663.8 1349.8,1603.3 1206.3,1600.2 998.2,1582.7 613.2,1565.5 335.8,1561.8 108.6,1552.2 113.2,1478.6 91.2,1420.0 101.2,1234.2 98.3,1192.1 137.8,689.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89435174937846,40.76982350263928]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8907987186909,40.769947024796835]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89060205207726,40.76665633615437]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89415508276481,40.76653281399681]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0045/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 | 1898 | sanborn08891_003 p45","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.18"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0045","type":"ImageService3","width":1588,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1377.2,1896.3 264.5,1890.2 243.3,1923.1 136.2,1923.5 124.9,1317.6 231.6,798.8 230.4,630.9 134.8,609.7 175.2,84.0 505.6,38.0 1497.8,82.2 1550.5,257.0 1471.1,469.2 1495.0,1819.0 1392.6,1878.0 1397.6,1918.4 1377.2,1896.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0045/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91739583059989,40.77178404861542]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91354668831453,40.7717639320171]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91357906051812,40.768160893303474]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91742820280348,40.768181009901795]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0046/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 | 1898 | sanborn08891_003 p46","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.62"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0046","type":"ImageService3","width":1615,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"251.3,96.5 251.3,107.1 140.2,121.2 73.0,231.1 116.4,422.5 37.9,1275.0 79.3,1841.5 1.0,1846.5 1.0,1855.8 349.4,1855.6 865.4,1858.0 987.9,1871.5 989.9,1868.3 1448.8,1914.8 1545.3,1856.5 1574.3,569.9 1522.3,103.0 1502.0,80.5 380.9,60.7 359.2,93.6 251.3,96.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0046/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91770304428734,40.76839408056783]}},{"type":"Feature","properties":{"resourceCoords":[1615.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91381838107158,40.768409675482616]}},{"type":"Feature","properties":{"resourceCoords":[1615.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91379370601548,40.76483401021927]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91767836923124,40.76481841530448]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0047/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 | 1898 | sanborn08891_003 p47","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.12"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0047/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0047","type":"ImageService3","width":1588,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"837.2,1850.0 34.6,1540.5 35.5,1481.5 54.3,1481.9 32.6,1046.4 41.6,1046.5 46.5,706.2 56.4,203.6 71.2,84.5 124.7,119.7 461.3,126.5 778.3,39.0 834.7,83.5 1436.4,88.4 1514.0,147.7 1561.7,624.8 1559.1,1822.4 1486.3,1878.7 856.0,1913.2 835.0,1914.3 837.2,1850.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0047/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91509808741108,40.765107483663016]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91501915362223,40.76211736234223]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91983049299348,40.762043468465784]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91990942678234,40.76503358978657]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0049/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 | 1898 | sanborn08891_003 p49","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.63"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0049","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"134.8,1908.2 85.4,1850.7 117.3,1609.5 35.8,1288.5 32.9,442.8 115.3,166.8 73.5,88.0 568.2,23.6 1569.7,65.6 1594.9,1906.6 134.8,1908.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0049/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92084506549871,40.75982627442257]}},{"type":"Feature","properties":{"resourceCoords":[1634.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91677903074887,40.75986817635485]}},{"type":"Feature","properties":{"resourceCoords":[1634.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91671351091435,40.756168600651705]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.92077954566419,40.75612669871943]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0052/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 | 1898 | sanborn08891_003 p52","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.07"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0052","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1508.5,1152.9 1225.4,1929.8 1163.5,1928.9 1161.8,1906.9 364.4,1912.5 59.5,1836.3 34.5,66.7 97.0,25.4 1497.6,62.1 1539.2,89.7 1483.5,234.2 1538.8,330.7 1490.1,440.8 1566.1,606.2 1565.2,1152.7 1508.5,1152.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0052/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9227787759453,40.7672379173808]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91864583817032,40.767242929607455]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91863787812521,40.763424492603306]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9227708159002,40.76341948037665]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0006/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 | 1898 | sanborn08891_003 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.28"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0006","type":"ImageService3","width":1605,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"185.3,41.2 182.8,215.7 205.6,269.8 204.0,338.9 417.3,339.6 677.5,332.9 1039.0,334.8 1234.8,343.5 1369.4,341.2 1371.0,397.9 1447.4,398.8 1442.4,579.0 1423.8,586.5 1374.3,1252.6 1492.7,1627.7 1446.2,1814.6 919.8,1594.2 202.9,1679.5 207.8,893.4 97.6,428.4 174.7,166.8 180.3,23.9 183.5,23.9 185.3,41.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89444165742884,40.76781958045937]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89065045363283,40.767837726065295]}},{"type":"Feature","properties":{"resourceCoords":[1605.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89062156404016,40.764326322128014]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89441276783617,40.764308176522086]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0061/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 | 1898 | sanborn08891_003 p61","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0061","type":"ImageService3","width":1614,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1222.4,1634.4 959.1,1746.1 984.2,1903.4 984.9,1922.2 108.7,1935.1 108.5,1740.9 42.1,1637.2 77.5,198.3 651.9,42.0 1513.7,33.7 1586.8,82.7 1586.0,605.1 1589.5,602.9 1594.7,825.5 1609.2,1442.6 1588.5,1470.7 1222.4,1634.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0061/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89216079939698,40.784200942737456]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89216472697136,40.78124515717263]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89684555891681,40.78124877369296]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89684163134243,40.78420455925779]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0062/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 | 1898 | sanborn08891_003 p62","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0062","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1560.1,1855.3 1568.7,1340.7 1560.4,1301.5 1550.6,701.2 1582.9,692.4 1589.2,266.5 1592.4,233.4 1593.5,219.8 928.7,41.1 155.5,38.2 57.8,124.4 24.6,609.6 9.6,599.0 1.0,944.0 1.0,1912.0 122.8,1914.3 267.1,1852.8 496.0,1753.3 629.8,1751.3 627.6,1832.1 1522.9,1853.0 1560.1,1855.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0062/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[426.0,853.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.89295463706732,40.78052177570302]}},{"type":"Feature","properties":{"resourceCoords":[426.0,306.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.89163141211063,40.780544533821804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0063/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 | 1898 | sanborn08891_003 p63","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0063","type":"ImageService3","width":1614,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1480.3,578.8 1469.5,671.2 1471.4,1214.8 1473.8,1351.7 1473.9,1505.5 1487.7,1644.4 1530.0,1808.5 323.9,1811.3 123.1,1809.4 117.9,1283.5 108.3,1243.8 82.0,631.1 114.8,621.1 109.7,186.1 112.0,152.2 136.6,144.0 1159.5,140.0 1480.5,72.7 1480.3,578.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0063/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[738.0,1802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.89530521204279,40.777299723886244]}},{"type":"Feature","properties":{"resourceCoords":[738.0,1345.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.89422278994769,40.77729652241649]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0064/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 | 1898 | sanborn08891_003 p64","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0064","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"136.4,1289.5 284.4,1293.5 336.4,1305.0 305.1,1234.5 301.3,1198.6 312.5,720.0 281.6,678.5 224.7,676.7 239.6,49.5 286.1,50.6 420.4,51.7 953.7,63.4 1044.1,76.1 1540.5,88.8 1581.6,311.8 1576.7,1227.8 1533.8,1850.0 1503.7,1886.8 398.4,1886.9 397.6,1920.5 294.6,1919.9 302.1,1808.9 125.8,1768.5 118.0,1445.8 49.5,1367.6 136.4,1289.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0064/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89493838871827,40.77605866384383]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89105546771663,40.77612219356526]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89095456095707,40.77253523106676]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89483748195872,40.77247170134533]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0065/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 | 1898 | sanborn08891_003 p65","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0065/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0065","type":"ImageService3","width":1614,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1137.0,82.0 1174.3,83.1 1371.0,83.9 1376.6,675.7 1375.3,744.8 1384.8,1858.8 1385.3,1921.5 1134.0,1918.0 251.0,1923.0 201.1,1922.3 200.7,1875.8 190.8,688.5 248.0,687.9 241.0,90.0 1137.0,82.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0065/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89509031280961,40.780551393960124]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89512774645746,40.777596155653434]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89980745125438,40.777630626568914]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89977001760653,40.780585864875604]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0066/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 | 1898 | sanborn08891_003 p66","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.39"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0066/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0066","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"183.7,1920.4 183.9,1861.0 188.2,752.5 190.4,683.8 192.1,95.0 1367.4,99.9 1371.7,240.3 1370.4,687.9 1371.1,1306.0 1501.1,1381.6 1513.7,1871.2 238.2,1897.3 242.2,1920.8 183.7,1920.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0066/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89509558804657,40.778396482711756]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89508509284765,40.775435231640614]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89978874017217,40.77542553675378]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89979923537109,40.77838678782492]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0067/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 | 1898 | sanborn08891_003 p67","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.56"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0067","type":"ImageService3","width":1614,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"216.2,1856.0 212.0,1224.4 210.8,767.2 205.7,623.8 163.8,459.3 150.2,319.9 150.3,213.2 791.4,212.9 791.8,154.8 833.5,122.2 1322.6,121.8 1359.2,117.0 1430.5,83.3 1420.0,136.7 1419.5,288.0 1501.5,374.8 1497.5,378.5 1454.0,891.4 1530.9,1637.7 1486.7,1894.2 737.8,1843.5 348.5,1904.8 349.1,1921.5 330.4,1921.6 216.2,1856.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0067/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89385298391356,40.77624673066909]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89386347262649,40.77333917369107]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89846737002007,40.77334883289677]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89845688130714,40.77625638987479]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0007/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 | 1898 | sanborn08891_003 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.03"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0007","type":"ImageService3","width":1588,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"208.9,1639.5 212.5,1514.3 210.9,937.0 212.7,341.3 193.3,341.1 344.1,188.7 368.4,236.9 622.0,335.8 1274.5,243.4 1405.0,166.9 1474.4,365.1 1437.1,1234.5 1506.7,1577.5 1430.2,1836.9 1253.5,1738.0 831.2,1799.5 316.7,1777.3 205.1,1823.2 208.9,1639.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89149624668013,40.77001841053502]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88781274255382,40.7700147049522]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8878187058305,40.766566799034386]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89150220995681,40.766570504617206]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0073/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 | 1898 | sanborn08891_003 p73","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.20"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0073/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0073","type":"ImageService3","width":1614,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"808.0,111.5 1413.4,47.5 1567.5,91.5 1562.9,1900.2 99.8,1894.0 51.9,1794.0 98.3,1383.5 47.3,1057.7 98.2,267.8 61.7,101.7 472.3,53.9 808.0,111.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0073/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9121810108211,40.77878747713482]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91236053086347,40.77578081784503]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91712154908704,40.77594613348131]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.91694202904468,40.7789527927711]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0077/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 | 1898 | sanborn08891_003 p77","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.13"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0077/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0077","type":"ImageService3","width":1614,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"432.0,85.5 431.9,47.8 1594.0,127.8 1594.0,131.6 1538.2,143.1 1593.4,951.0 1569.7,1875.7 87.5,1891.4 36.1,1760.6 34.8,239.0 1.4,234.3 432.0,85.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0077/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90364765517542,40.78100566051289]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90366991461757,40.777994546212284]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9084381354641,40.77801504375372]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90841587602195,40.781026158054324]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0078/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 | 1898 | sanborn08891_003 p78","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.06"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0078/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0078","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1520.8,365.9 1459.6,987.5 1539.3,1279.7 1532.3,1865.4 1363.0,1892.9 1363.2,1888.9 154.2,1752.9 155.4,1723.7 168.0,1224.5 188.8,566.0 208.8,52.1 208.9,47.9 210.0,20.6 261.1,23.7 1165.5,61.4 1422.6,77.2 1422.7,74.2 1482.9,76.7 1520.8,365.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0078/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89968100198936,40.78059339791276]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89953905819984,40.77772136647062]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90410114856424,40.77759025119497]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90424309235377,40.78046228263711]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0079/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 | 1898 | sanborn08891_003 p79","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.20"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0079/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0079","type":"ImageService3","width":1614,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1578.2,1740.2 1142.8,1888.0 921.1,1856.1 512.5,1922.2 67.4,1797.2 67.5,439.4 117.0,439.3 352.4,63.0 392.1,62.4 392.7,24.5 548.0,24.0 1298.8,20.2 1569.4,21.2 1569.3,58.1 1568.7,555.0 1572.6,1191.5 1578.5,1673.9 1578.2,1740.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0079/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8996439548289,40.78311862261381]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89964361586266,40.78013474478122]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90436886619689,40.7801344326557]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90436920516314,40.78311831048829]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0080/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 | 1898 | sanborn08891_003 p80","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.71"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0080/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0080","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1362.5,1909.4 1092.1,1906.4 187.0,1903.9 187.9,1868.0 193.4,1321.8 196.2,802.2 192.9,741.6 191.1,680.6 167.6,524.6 429.1,416.4 792.8,257.5 1076.6,129.8 1301.7,27.2 1395.7,24.4 1434.2,23.2 1433.2,103.8 1429.9,695.4 1373.2,695.0 1362.8,1869.8 1362.5,1909.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0080/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8950865355532,40.782765283529116]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8950569186186,40.779787811679526]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89978662647712,40.77976045489534]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89981624341173,40.78273792674493]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0081/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 | 1898 | sanborn08891_003 p81","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0081/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0081","type":"ImageService3","width":1614,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"17.4,1575.5 18.1,1624.9 395.9,1855.5 396.9,1895.0 470.5,1895.5 1015.6,1891.0 1534.2,1884.2 1594.7,1879.8 1610.6,1879.0 1602.1,1012.5 1595.2,1012.6 1512.0,103.9 1430.8,46.5 805.1,39.5 806.0,82.5 525.6,86.3 448.0,87.3 448.2,99.2 374.1,109.8 374.2,129.2 1.0,133.9 1.0,149.4 69.2,148.7 21.1,440.2 55.4,1575.1 17.4,1575.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0081/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90071000118124,40.785914691704285]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.8967861980388,40.785882208800146]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89683763985731,40.7822692553524]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.90076144299975,40.78230173825654]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0082__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 | 1898 | sanborn08891_003 p82 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.44"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6436.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0082__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0082","type":"ImageService3","width":1609,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1608.0,1808.4 1574.3,1807.2 1554.5,375.3 1462.3,119.9 1396.9,82.8 884.5,105.9 924.9,404.3 803.5,652.1 803.5,658.8 800.2,658.8 797.5,664.5 131.7,664.0 49.2,830.1 73.4,1891.5 801.7,1900.0 802.1,1884.5 1175.8,1888.2 1176.1,1868.8 1250.3,1859.9 1250.4,1848.1 1327.9,1848.8 1608.0,1851.4 1608.0,1822.7 1608.0,1808.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0082__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":[-111.90271974472162,40.78914713761421]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89880272997063,40.789181993685666]}},{"type":"Feature","properties":{"resourceCoords":[1609.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.89874735623191,40.78556422006877]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.9026643709829,40.785529363997306]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0087__5/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 | 1898 | sanborn08891_003 p87 [5]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.33"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4486.8"},{"label":"split_canvas_y","value":"5118.0"},{"label":"split_canvas_w","value":"1969.2"},{"label":"split_canvas_h","value":"2678.0"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0087__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0087","type":"ImageService3","width":1614,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1147.1,1314.0 1168.7,1563.7 1364.2,1568.7 1364.3,1568.9 1364.5,1568.9 1364.5,1569.2 1373.5,1582.5 1406.8,1907.7 1542.7,1907.6 1568.8,1297.8 1147.1,1314.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0087__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1121.7,1279.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88487626452414,40.767994566754126]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,1279.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88494121236461,40.76711443520965]}},{"type":"Feature","properties":{"resourceCoords":[1614.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88650952763308,40.76718175375115]}},{"type":"Feature","properties":{"resourceCoords":[1121.7,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-111.88644457979261,40.76806188529563]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0088__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 | 1898 | sanborn08891_003 p88 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.25"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6500.0"},{"label":"split_canvas_h","value":"4138.4"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0088__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0088","type":"ImageService3","width":1625,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.5,253.2 28.2,447.6 131.9,973.1 172.0,1030.2 777.9,1017.8 892.1,971.9 1183.8,1011.5 1452.3,953.9 1555.3,999.5 1589.3,845.1 1571.3,290.9 1479.6,108.2 1142.2,34.5 702.1,40.9 622.1,98.1 204.8,47.3 56.5,253.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0088__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[683.0,307.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.88818914009714,40.77162981665076]}},{"type":"Feature","properties":{"resourceCoords":[236.0,307.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.88819128789261,40.77057495905439]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0090__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 | 1898 | sanborn08891_003 p90 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.07"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6500.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T08:34:11Z","modified":"2026-10-18T08:34:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0090__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0090","type":"ImageService3","width":1625,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1560.7,1894.7 1547.0,75.4 469.3,60.8 419.1,889.5 387.2,972.2 294.2,970.7 40.2,1136.2 73.2,1891.7 1560.7,1894.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd434m:g4344m:g4344sm:g08891189801:08891_01_1898-0090__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[401.0,854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8775641,40.7705645]}},{"type":"Feature","properties":{"resourceCoords":[1572.0,462.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-111.8775737,40.7717083]}}]}}]}