{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02371_023.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Indianapolis, Indiana | 1956 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"97"},{"label":"placed","value":"68"},{"label":"unplaced","value":"29"},{"label":"fit sources","value":"georef 34, georef-snap 31, georef:misscale 1, snap:0 1, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 19 panels"},{"label":"unplaced pages","value":"p12a (tier 1, 39.77314,-86.17829 +/-263m); p18a__2 (tier 1, 39.77791,-86.16818 +/-100m); p19a (tier 1, 39.76854,-86.18700 +/-267m); p1a (tier 1, 39.77544,-86.16320 +/-260m); p23a (tier 1, 39.77964,-86.17049 +/-258m); p24a (tier 2, 39.77534,-86.18207 +/-100m); p25a (tier 1, 39.77344,-86.18023 +/-271m); p26a__1 (tier 1, 39.77181,-86.18642 +/-197m); p26a__2 (tier 1, 39.77297,-86.18461 +/-187m); p27a (tier 2, 39.77856,-86.17588 +/-100m); p2a (tier 1, 39.76215,-86.16896 +/-264m); p36a__1 (tier 1, 39.76890,-86.18669 +/-266m); p3a (tier 1, 39.77315,-86.19579 +/-139m); p48a (tier 1, 39.76378,-86.19507 +/-292m); p4a (tier 2, 39.76868,-86.18893 +/-100m); p50a (tier 2, 39.76305,-86.18510 +/-126m); p54a (tier 1, 39.76486,-86.18220 +/-135m); p55a__1 (tier 3, 39.77192,-86.17859 +/-444m); p55a__2 (tier 1, 39.77466,-86.17853 +/-265m); p56a (tier 1, 39.76179,-86.17858 +/-246m); p57a (tier 3, 39.75868,-86.18746 +/-1002m); p59a__2 (tier 1, 39.76306,-86.18775 +/-100m); p5a__1 (tier 1, 39.75771,-86.17714 +/-203m); p5a__2 (tier 1, 39.75726,-86.17579 +/-132m); p67a (tier 2, 39.75630,-86.18863 +/-170m); p6a (tier 1, 39.77168,-86.17920 +/-131m); p7a (tier 1, 39.75327,-86.19884 +/-316m); p8a (tier 4, 39.76807,-86.18917 +/-2404m); p9a__1 (tier 1, 39.77057,-86.17119 +/-203m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0010a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p10a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0010a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0010a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1443.5,282.4 1664.0,293.2 1664.0,306.1 1664.0,337.1 1628.7,335.8 1532.3,331.9 1532.0,377.3 1558.2,1409.8 1574.1,1845.5 1568.2,1842.6 874.2,1919.0 743.4,1845.8 168.7,1882.1 104.5,1507.6 132.1,1300.3 200.2,1219.5 212.2,792.3 141.2,240.2 380.2,167.1 1442.3,214.6 1443.5,282.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0010a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1554.0,1842.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.18266844014768,39.77184347269427]}},{"type":"Feature","properties":{"resourceCoords":[1141.0,260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.18353776891641,39.77487408563878]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0011a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p11a","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0011a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0011a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"136.1,1309.6 137.4,273.5 139.0,228.0 235.6,234.5 380.9,243.8 591.7,256.2 593.4,211.8 644.8,213.0 1564.0,215.8 1612.8,1356.1 1552.9,1720.4 1140.2,1789.3 242.0,1799.7 140.3,1747.0 136.1,1309.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0011a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[934.0,896.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.180641,39.773428]}},{"type":"Feature","properties":{"resourceCoords":[139.0,228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.182579,39.7747092]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0013a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p13a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.42"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0013a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0013a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1637.0,1710.6 421.5,1769.8 213.1,1685.8 170.6,1412.5 190.9,332.0 236.1,187.2 648.3,180.8 646.9,226.4 1164.2,217.9 1557.8,210.8 1564.5,904.1 1558.2,910.5 1571.3,1635.3 1572.2,1688.7 1573.0,1689.1 1652.3,1688.8 1637.0,1710.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0013a/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.17708673970625,39.77497227146983]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.17308170018401,39.77482125420589]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.17331723918376,39.77107899197481]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.177322278706,39.77123000923875]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0014a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p14a","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0014a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0014a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"107.4,1696.4 186.4,1697.8 598.5,1703.1 685.9,1723.5 1159.8,1726.7 1213.5,1705.1 1507.0,1708.0 1507.2,221.8 1507.3,173.1 1440.9,174.8 1085.8,171.4 129.7,166.3 1.0,165.7 1.0,209.9 122.1,210.2 114.8,907.2 108.3,913.5 106.8,1642.3 107.4,1696.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0014a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1507.0,949.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.170075,39.7729969]}},{"type":"Feature","properties":{"resourceCoords":[1507.0,1708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1701266,39.7715902]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0015a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p15a","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0015a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0015a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"134.8,2009.0 133.8,1750.6 136.0,234.2 209.7,237.2 582.5,224.9 1146.2,226.2 1271.8,220.1 1406.0,221.6 1442.5,215.6 1439.4,218.3 1525.7,943.7 1443.2,1740.5 986.3,1871.6 806.5,1809.6 220.7,1840.2 183.2,2009.0 134.8,2009.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0015a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[765.0,980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1685859,39.7729591]}},{"type":"Feature","properties":{"resourceCoords":[765.0,225.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1685379,39.7743306]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0016a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p16a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.45"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0016a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0016a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1391.7,1872.6 608.8,1856.5 198.2,1848.4 204.1,1831.4 175.2,1301.9 100.6,1150.5 83.4,410.3 155.5,373.0 167.7,198.7 318.7,95.0 483.9,57.6 806.4,102.8 805.8,297.4 830.8,338.0 843.2,316.1 854.0,278.1 857.4,72.1 1545.2,140.1 1553.2,1162.1 1533.8,1161.7 1521.1,1875.2 1391.7,1872.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0016a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1533.0,1851.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.17331338678194,39.774563998590686]}},{"type":"Feature","properties":{"resourceCoords":[1533.0,393.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1732659651303,39.77727352791279]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0017a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p17a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.54"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0017a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0017a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1539.7,1839.7 1530.0,1364.6 1518.8,385.9 1513.7,123.2 1441.7,70.7 948.9,178.9 924.3,160.3 135.9,150.9 132.4,1.0 105.0,1.0 146.1,1122.6 126.2,1122.8 134.2,1852.6 1109.7,1844.1 1472.0,1842.4 1539.7,1839.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0017a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1526.0,177.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.16988802015354,39.777454815997594]}},{"type":"Feature","properties":{"resourceCoords":[1526.0,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.17005492765726,39.774417380074155]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0018a__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p18a [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"24"},{"label":"confidence","value":"0.84"},{"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":"6660.0"},{"label":"split_canvas_h","value":"8040.0"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0018a__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0018a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"131.0,1867.2 201.9,1869.7 560.4,1855.8 1102.7,1854.1 1223.4,1847.6 1352.6,1848.3 1387.7,1842.3 1482.0,1763.2 1551.2,1475.1 1551.7,1267.9 1473.8,1070.4 1413.7,979.5 1206.8,986.2 1210.2,871.8 1151.2,816.5 873.6,847.0 713.5,316.3 531.0,193.6 146.2,137.0 145.5,186.1 122.0,168.0 124.5,420.7 126.1,1362.2 130.9,1819.3 131.0,1867.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0018a__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[736.0,1855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1685379,39.7743306]}},{"type":"Feature","properties":{"resourceCoords":[122.0,168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1699118,39.7775534]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0020a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p20a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0020a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0020a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"117.8,95.5 1071.3,177.7 1501.7,318.0 1492.3,356.5 1584.7,376.5 1562.4,1886.0 1550.2,1873.0 514.0,1626.7 363.6,1651.8 85.8,1556.3 91.5,1481.1 104.7,1484.6 100.7,783.0 104.0,90.4 117.8,95.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0020a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[557.0,907.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.16922248263222,39.77955740481654]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,1865.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.16636273353019,39.77828401405251]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0021a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p21a","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0021a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0021a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,251.2 1.0,311.9 93.9,307.3 460.8,1762.2 535.5,1809.1 1302.0,1868.2 1454.8,1812.3 1449.2,1356.5 1584.4,1198.2 1502.8,656.2 1521.3,273.3 1401.8,210.5 953.9,230.6 523.9,110.5 415.2,165.1 10.2,147.2 1.0,251.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0021a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[100.0,307.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1671263,39.7809323]}},{"type":"Feature","properties":{"resourceCoords":[309.0,1085.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1666804,39.7794944]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0022a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p22a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.05"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0022a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0022a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1241.3,2009.0 1006.7,2009.0 1016.5,1839.9 154.7,1812.9 454.1,1017.9 283.8,136.6 1339.1,35.6 1338.5,137.3 1491.8,140.9 1459.2,868.7 1440.3,1248.4 1288.2,1246.5 1241.3,2009.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0022a/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.1813373871275,39.77546177058424]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.18136797074949,39.774548898690654]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.1828018578414,39.774577274446386]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.1827712742194,39.775490146339976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0028a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p28a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.33"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0028a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0028a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"511.3,1774.8 188.7,1735.5 261.8,1717.6 247.6,580.1 147.8,177.4 304.8,99.9 810.6,54.9 999.4,63.5 1110.5,139.7 1161.0,132.6 1218.5,134.3 1411.0,968.5 1295.8,884.7 1274.2,912.1 1272.9,1644.3 1273.9,1722.7 1247.2,1722.4 1249.2,1798.5 561.6,1743.2 562.0,1948.8 551.9,1987.0 539.9,2009.0 523.4,2009.0 514.2,1969.0 511.3,1774.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0028a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[320.0,182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.17535476114885,39.78080671674059]}},{"type":"Feature","properties":{"resourceCoords":[1289.0,1309.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.17309436177932,39.778652069678124]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0029a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p29a","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0029a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0029a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1569.2,1815.4 1077.9,1914.7 1053.8,1895.8 270.8,1873.4 269.3,1643.7 275.1,898.2 297.4,870.5 414.1,956.5 223.3,106.0 657.3,37.9 1256.5,94.6 1430.0,763.0 1612.9,1438.2 1599.3,1438.2 1613.0,1512.2 1602.2,1511.5 1560.0,1593.7 1610.2,1828.5 1664.0,1836.8 1664.0,1887.6 1639.8,1868.8 1569.2,1815.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0029a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[958.0,763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.171467,39.779607]}},{"type":"Feature","properties":{"resourceCoords":[1430.0,763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.170344,39.779585]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0030a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p30a","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0030a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0030a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1396.0,1834.0 291.2,1835.0 292.4,1033.4 243.5,1008.9 237.5,272.9 1396.0,275.0 1396.0,314.2 1395.7,1465.7 1395.7,1555.2 1396.0,1834.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0030a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1396.0,273.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.196912,39.771906]}},{"type":"Feature","properties":{"resourceCoords":[1396.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.196899,39.769028]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0031a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p31a","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0031a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0031a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"178.3,1470.4 177.6,1414.1 164.6,432.6 162.6,284.6 161.2,176.1 160.7,141.8 418.9,134.9 607.4,118.8 1028.5,112.2 1465.8,105.7 1499.4,105.1 1508.5,621.0 1521.3,620.8 1490.1,1102.2 1465.4,1102.5 1474.0,1848.0 1031.0,1854.2 1028.0,1646.0 180.8,1658.2 178.3,1470.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0031a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1474.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1938161,39.7715358]}},{"type":"Feature","properties":{"resourceCoords":[1028.0,1646.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.194881,39.771915]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0032a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p32a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0032a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0032a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"450.7,128.2 1173.0,126.2 1387.2,126.2 1568.7,125.9 1584.0,125.9 1588.2,1108.8 1578.0,1132.2 1583.4,1843.7 1326.2,1844.5 136.8,1848.6 136.0,1113.2 160.4,1113.1 196.2,638.6 183.6,638.7 179.9,129.7 450.7,128.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0032a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[576.0,1843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19274895365118,39.77154787487795]}},{"type":"Feature","properties":{"resourceCoords":[134.0,1105.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19382638000681,39.77292465160966]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0033a__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p33a [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.96"},{"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":"6660.0"},{"label":"split_canvas_h","value":"8040.0"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0033a__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0033a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1509.2,1788.2 1515.2,1318.2 1420.7,1318.4 1413.2,1245.8 1049.8,1246.4 1047.8,1245.0 1047.3,1245.0 1046.9,1244.4 846.1,1108.7 669.9,135.0 410.6,116.9 351.1,131.7 240.7,119.2 137.4,119.6 145.2,1108.7 135.1,1132.3 143.2,1848.2 765.6,1843.8 1334.2,1842.0 1371.8,1817.7 1442.6,1792.1 1509.2,1788.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0033a__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1020.0,1842.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1881838,39.7715589]}},{"type":"Feature","properties":{"resourceCoords":[580.0,1104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.189243,39.77293]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0033a__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p33a [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.54"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3271.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3388.8"},{"label":"split_canvas_h","value":"4980.0"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0033a__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0033a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1616.9,1131.8 1559.2,828.2 1618.8,732.3 1569.6,184.6 1015.5,130.2 1008.6,1.0 992.5,1.0 975.2,1135.4 1184.5,1136.0 1370.2,1136.3 1490.9,1136.5 1603.1,1150.0 1663.8,1135.4 1616.9,1131.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0033a__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[974.6,1150.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19128374591924,39.77472987972363]}},{"type":"Feature","properties":{"resourceCoords":[1548.1,1150.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.18992204402011,39.77473479913801]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0034a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p34a","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"23"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0034a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0034a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"260.6,1858.0 223.3,1858.0 224.0,1620.0 225.5,1343.2 226.0,1254.4 233.8,111.2 234.1,70.3 1074.6,73.8 1073.8,280.4 1513.3,282.4 1513.0,1023.5 1529.3,1023.5 1467.5,1629.2 1382.4,1629.9 1063.1,1630.9 1067.2,1861.6 493.9,1858.4 260.6,1858.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0034a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1072.0,503.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.194877,39.771118]}},{"type":"Feature","properties":{"resourceCoords":[224.0,1620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.196899,39.769028]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0035a__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p35a [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"8040.0"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0035a__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0035a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"623.5,1460.3 627.0,1178.3 627.4,903.2 620.7,855.6 972.6,854.2 1344.0,855.0 1350.0,116.0 149.8,111.4 150.0,855.0 166.3,855.0 104.8,1462.8 279.8,1461.2 623.5,1460.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0035a__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1344.0,855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.190924,39.77018]}},{"type":"Feature","properties":{"resourceCoords":[150.0,855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.193799,39.7701596]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0035a__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p35a [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2844.0"},{"label":"split_canvas_y","value":"3753.6"},{"label":"split_canvas_w","value":"3816.0"},{"label":"split_canvas_h","value":"4286.4"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0035a__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0035a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"745.0,1798.1 1389.2,1794.8 1466.1,1794.2 1626.0,1793.5 1626.6,1058.9 1004.5,1060.9 745.7,1061.7 745.0,1798.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0035a__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1168.0,1060.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1899059,39.7715519]}},{"type":"Feature","properties":{"resourceCoords":[745.0,1798.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.190924,39.77018]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0036a__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p36a [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1608.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5051.6"},{"label":"split_canvas_h","value":"3298.0"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0036a__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0036a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"540.5,47.1 497.9,784.5 805.9,801.8 1664.0,766.0 1664.0,714.6 1664.0,683.9 1620.5,634.4 1625.9,571.5 1616.5,570.5 1547.1,134.9 1287.2,75.7 1290.0,36.7 1222.9,36.5 1150.3,57.9 1111.0,80.0 540.5,47.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0036a__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1426.0,435.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.18661945818582,39.770936034248344]}},{"type":"Feature","properties":{"resourceCoords":[1142.0,64.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.18735314064804,39.771590812561335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0037a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p37a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0037a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0037a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1602.6,231.9 1608.0,1481.7 1610.2,1536.3 1101.7,1601.5 308.7,1701.1 92.5,1730.4 91.2,1670.0 99.4,1669.9 64.3,989.2 129.5,238.2 1602.6,231.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0037a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1100.0,1592.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.20412861149902,39.765540088291885]}},{"type":"Feature","properties":{"resourceCoords":[1601.0,250.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.20294868448458,39.76798968780343]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0038a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p38a","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0038a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0038a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"131.9,1475.7 147.8,243.2 1560.7,261.4 1558.4,480.4 1540.5,1375.7 1487.2,1381.7 1270.2,1406.1 1115.2,1423.5 636.0,1473.0 133.1,1529.6 131.9,1475.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0038a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[636.0,1473.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2017119,39.7657672]}},{"type":"Feature","properties":{"resourceCoords":[1146.0,256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2005436,39.7680357]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0039a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p39a","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0039a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0039a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1188.1,1664.3 1082.2,1677.2 1031.9,1683.5 988.7,1688.7 786.2,1713.7 686.4,1726.0 638.0,1732.0 481.2,1752.5 140.4,1797.1 143.8,908.0 142.6,690.5 143.4,165.3 1237.2,164.7 1238.0,402.0 1275.3,401.8 1502.5,400.8 1567.1,1616.7 1531.7,1621.1 1227.9,1659.4 1188.1,1664.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0039a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1238.0,402.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.196895,39.768586]}},{"type":"Feature","properties":{"resourceCoords":[638.0,1732.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1983363,39.7661051]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0040a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p40a","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0040a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0040a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1579.7,1391.9 1580.4,1433.8 1312.0,1467.0 971.8,1510.7 462.2,1572.4 196.8,1607.3 143.5,1614.0 80.2,387.9 85.6,387.9 662.1,388.4 657.0,156.5 978.0,154.0 1239.0,150.5 1583.5,148.2 1581.4,1112.2 1580.1,1286.2 1591.8,1390.6 1579.7,1391.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0040a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1312.0,1467.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1932808,39.7666093]}},{"type":"Feature","properties":{"resourceCoords":[978.0,154.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1941,39.769031]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0041a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p41a","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0041a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0041a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"129.0,649.5 20.5,1598.3 1.0,1761.1 1.0,1873.6 1020.7,1879.5 1020.7,1898.9 1409.1,1893.3 1618.6,1890.7 1615.6,878.9 1601.5,546.7 1598.4,546.8 1592.5,204.7 1542.7,199.3 904.9,128.9 538.4,88.5 190.8,52.3 192.4,100.0 162.6,371.4 129.0,649.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0041a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1011.0,1222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1903588,39.7681795]}},{"type":"Feature","properties":{"resourceCoords":[1011.0,560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1905463,39.7694051]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0042a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p42a","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"26"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0042a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0042a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"577.4,1903.3 85.8,1901.4 64.8,1901.3 77.0,891.1 67.9,559.2 64.8,559.2 64.0,217.6 90.2,220.8 247.9,240.7 550.5,280.0 1399.7,306.7 1405.6,225.7 1366.2,173.6 1376.1,112.0 1523.6,138.4 1566.1,202.4 1614.1,609.7 1592.1,1379.5 1491.5,1920.1 1460.2,1916.0 1448.8,1950.0 1290.9,1900.6 1163.6,1884.4 897.1,1881.2 704.4,1884.4 642.9,1903.8 577.4,1903.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0042a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[852.0,1882.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.186817,39.767303]}},{"type":"Feature","properties":{"resourceCoords":[247.0,889.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.188591,39.768992]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0043a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p43a","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0043a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0043a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1526.9,1505.2 1124.8,1528.0 1124.7,1508.0 621.7,1552.5 621.9,1575.8 182.9,1575.2 183.7,1556.8 97.5,1251.2 86.1,349.4 203.0,175.3 616.7,169.6 618.0,229.0 830.5,200.3 1610.0,103.0 1616.4,159.8 1624.4,1045.2 1596.6,1046.5 1596.8,1430.0 1527.1,1432.7 1526.9,1505.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0043a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[618.0,229.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2065177,39.7652827]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,103.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2041246,39.7655228]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0044a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p44a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0044a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0044a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.5,1037.2 140.5,168.6 579.8,173.9 579.8,150.6 1083.5,111.6 1083.3,131.6 1486.0,113.0 1485.8,125.2 1602.0,120.6 1579.8,1618.3 567.4,1683.1 567.5,1667.3 179.8,1689.3 176.2,1564.8 154.4,1565.2 92.5,1037.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0044a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[160.0,1152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.20747572631542,39.76095975333575]}},{"type":"Feature","properties":{"resourceCoords":[160.0,629.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.20749371981445,39.76192941913761]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0045a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p45a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0045a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0045a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"83.9,1397.0 111.8,1395.6 101.5,507.9 95.0,451.0 596.0,385.9 1097.3,319.8 1575.1,261.3 1566.8,281.6 1576.7,1719.7 85.0,1781.5 83.9,1397.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0045a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1105.0,323.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.20169343925808,39.765761330308976]}},{"type":"Feature","properties":{"resourceCoords":[107.0,454.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.20409555512353,39.76551726833997]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0046a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p46a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0046a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0046a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"515.1,210.8 1016.0,147.7 1369.0,105.9 1609.8,77.6 1612.5,538.1 1611.4,1669.4 81.2,1721.0 82.4,283.6 90.9,263.4 515.1,210.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0046a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[520.0,209.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19952960727638,39.76598374572872]}},{"type":"Feature","properties":{"resourceCoords":[1612.0,1246.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19687838186785,39.76408159579876]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0047a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p47a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.47"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0047a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0047a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.9,1667.2 297.2,1686.8 297.2,1675.3 542.9,1748.3 543.3,1826.0 1552.6,1846.8 1552.3,1821.4 1550.8,1738.5 1650.7,1598.5 1664.0,1598.6 1664.0,162.3 1538.6,41.5 1539.5,129.6 1.0,192.2 1.0,234.4 57.9,231.4 55.0,1551.8 49.3,1552.0 49.6,1603.9 49.9,1667.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0047a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[538.0,1502.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.20170216492997,39.75819069893696]}},{"type":"Feature","properties":{"resourceCoords":[1551.0,1502.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19680444410272,39.758196821255844]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0049a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p49a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0049a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0049a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.3,1782.3 71.3,1536.5 68.0,810.6 63.0,341.8 374.1,302.5 464.4,291.1 734.0,255.2 1251.4,191.6 1596.9,146.7 1595.0,661.6 1572.7,662.0 1503.9,663.5 1664.0,1501.5 1664.0,2009.0 305.6,2009.0 71.3,1782.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0049a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1076.0,674.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19450857932026,39.76564698151974]}},{"type":"Feature","properties":{"resourceCoords":[1076.0,224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1945124182139,39.766465264817626]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0051a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p51a","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0051a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0051a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"129.8,894.9 165.3,894.3 187.0,894.0 191.9,393.6 457.1,362.0 456.5,320.6 1480.3,216.3 1482.4,235.4 1460.7,238.1 1277.2,2009.0 293.8,2009.0 249.7,1780.2 250.1,1715.9 98.5,895.3 129.8,894.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0051a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[187.0,894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.193281,39.765673]}},{"type":"Feature","properties":{"resourceCoords":[697.0,332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.192053,39.7667336]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0052a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p52a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0052a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0052a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1022.0,1855.5 449.8,1953.9 449.9,2009.0 160.5,2009.0 349.9,205.8 354.1,205.2 371.8,203.1 759.7,156.2 989.9,128.8 1481.7,70.9 1527.2,65.8 1547.3,63.5 1548.1,378.2 1538.8,811.5 1538.8,1572.7 1540.9,1759.6 1540.2,1855.4 1022.0,1855.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0052a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[361.0,204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19016967949455,39.76692655239508]}},{"type":"Feature","properties":{"resourceCoords":[1546.0,79.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.18731610389267,39.767182522790414]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0053a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p53a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0053a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0053a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"173.2,118.2 369.8,86.3 642.7,50.0 775.3,47.6 944.1,74.3 950.7,38.0 983.3,37.6 983.0,45.0 1581.0,89.1 1589.3,1868.5 177.6,1835.1 150.2,1974.3 148.6,1874.3 141.8,1684.0 123.0,908.9 121.8,467.4 113.2,147.0 173.2,118.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0053a/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.18757499665547,39.76748138704659]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.18366183712638,39.76744174781486]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.18372365493401,39.763784934224674]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.1876368144631,39.763824573456404]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0058a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p58a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0058a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0058a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.6,137.3 74.2,1374.6 188.6,1732.0 391.8,1841.5 744.6,1881.7 1013.0,1786.7 1425.8,1791.9 1424.9,1827.2 1496.9,1713.8 1505.7,1346.0 1508.2,1240.8 1519.8,1240.5 1555.9,77.3 529.1,126.3 529.5,110.3 136.5,126.2 134.9,1.0 112.9,1.0 126.6,137.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0058a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1490.0,1246.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.20410722250804,39.75799113955968]}},{"type":"Feature","properties":{"resourceCoords":[1511.0,102.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2041402916123,39.760085018561384]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0059a__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p59a [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.91"},{"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":"6660.0"},{"label":"split_canvas_h","value":"8040.0"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0059a__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0059a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,97.8 1.0,2009.0 5.0,2009.0 6.0,1985.0 22.0,1985.0 32.0,1990.0 35.0,1997.0 51.0,2000.0 52.0,2009.0 79.8,2009.0 80.0,1910.0 80.1,1869.7 1079.8,1740.0 1079.0,1867.0 1339.3,1864.5 1592.6,1862.2 1602.2,562.4 1385.8,560.0 1423.0,487.8 1165.2,482.8 1164.0,482.8 1164.0,482.7 1079.5,40.6 1087.8,2.5 1087.8,1.0 565.0,1.0 1.0,97.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0059a__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":[-86.18991148996263,39.76386758969801]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.18588791589097,39.76390254658868]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.18583298740408,39.76017081154853]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.18985656147574,39.760135854657854]}},{"type":"Feature","properties":{"resourceCoords":[1079.0,1867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.187253,39.760424]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0005a__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p5a [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.66"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3457.6"},{"label":"split_canvas_y","value":"4217.6"},{"label":"split_canvas_w","value":"3202.4"},{"label":"split_canvas_h","value":"3822.4"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0005a__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0005a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1042.4,1905.2 1551.8,1900.6 1492.7,1944.5 1603.0,1967.0 1626.3,1702.4 1605.3,1729.5 1570.0,1714.5 1567.5,1687.4 1636.2,1180.3 1570.3,1128.5 1592.5,1091.9 977.4,1074.2 977.3,1131.4 977.4,1919.0 1009.0,1879.0 1042.4,1905.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0005a__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[977.4,1919.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1764048,39.7535371]}},{"type":"Feature","properties":{"resourceCoords":[977.4,1131.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.176414,39.754982]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0060a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p60a","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0060a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0060a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1529.3,724.5 1498.9,724.3 1521.8,1797.3 1316.5,1798.3 1247.2,1800.0 957.4,1810.5 848.8,1817.1 90.4,1824.5 90.4,1813.0 94.7,1812.9 54.5,1232.7 96.2,194.1 673.9,146.3 673.9,158.7 1243.5,161.9 1243.4,170.5 1529.0,156.5 1529.3,724.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0060a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[674.0,732.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2038157,39.7766513]}},{"type":"Feature","properties":{"resourceCoords":[674.0,1818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2038003,39.7746305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0061a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p61a","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0061a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0061a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"157.1,184.6 176.6,1285.1 170.8,1285.2 167.7,1285.3 171.4,1852.5 458.5,1830.2 458.5,1833.2 1028.2,1758.6 1028.2,1730.6 1601.8,1718.8 1600.9,1499.3 1594.7,172.2 1577.0,172.3 1573.6,184.0 1119.3,88.8 555.2,88.9 130.2,147.6 1.0,137.0 1.0,185.9 157.1,184.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0061a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1026.0,1272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1997058,39.7787014]}},{"type":"Feature","properties":{"resourceCoords":[106.0,185.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.201909,39.7807027]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0062a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p62a","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.56"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0062a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0062a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"102.3,512.8 148.3,513.7 232.7,374.6 229.0,196.7 710.2,221.5 789.6,326.9 1220.9,254.3 1464.6,296.4 1540.2,223.9 1629.0,588.9 1631.5,1839.1 1621.0,1838.0 1357.1,1838.0 852.2,1838.0 80.0,1838.0 102.3,512.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0062a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1102.0,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.183592,39.7604824]}},{"type":"Feature","properties":{"resourceCoords":[1621.0,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.182363,39.760502]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0063a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p63a","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0063a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0063a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"143.9,2009.0 748.6,2009.0 748.0,1970.2 993.2,1851.3 993.2,1837.9 1587.8,1700.2 1556.5,1420.4 1509.4,1420.8 1515.3,405.4 1260.1,408.3 999.6,411.2 1000.1,310.9 1000.2,284.3 1.0,415.7 1.0,1842.0 143.9,2009.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0063a/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.1896763,39.7611699]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.1856557,39.7611991]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.1856099,39.7574679]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.1896305,39.7574387]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0064a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p64a","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0064a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0064a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"869.5,371.7 1632.9,362.2 1627.0,1392.3 1641.2,1392.7 1641.0,1635.1 1403.5,1578.2 1404.3,1669.2 894.1,1709.2 893.8,1691.1 408.8,1679.4 408.1,1639.2 179.3,1692.4 147.2,1409.1 99.6,1409.5 104.3,381.3 869.5,371.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0064a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[610.0,375.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1848021,39.7604631]}},{"type":"Feature","properties":{"resourceCoords":[1402.0,1394.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1828934,39.758607]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0065a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p65a","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0065a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0065a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1399.1,1536.8 1335.0,1605.6 920.7,1622.2 921.0,1660.2 380.1,1592.1 380.1,1605.7 90.9,1534.7 92.4,1294.2 78.4,1293.8 90.0,272.0 101.4,270.0 137.9,283.1 1430.0,301.0 1547.3,258.8 1591.3,770.5 1664.0,768.3 1664.0,825.8 1664.0,902.0 1650.0,1336.9 1641.9,1336.8 1636.2,1544.0 1399.1,1536.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0065a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[918.0,1317.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1803377,39.7585922]}},{"type":"Feature","properties":{"resourceCoords":[90.0,272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.182363,39.760502]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0066a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p66a","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.27"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0066a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0066a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"893.7,1744.3 842.1,1804.8 1526.5,1679.4 1481.3,1602.8 1586.8,459.4 1462.8,232.7 13.8,313.6 12.0,313.6 18.7,558.2 14.8,1360.3 1.0,1360.4 1.0,1742.0 893.7,1744.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0066a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1655.0,1360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1764353,39.7585524]}},{"type":"Feature","properties":{"resourceCoords":[133.0,1360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1784232,39.758573]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0068a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p68a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0068a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0068a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,347.6 1.0,1552.7 22.6,1572.4 37.0,1643.0 55.2,1740.2 83.9,1893.5 160.2,1879.5 129.2,1721.8 540.8,1887.1 541.9,1849.1 1550.2,1833.2 1550.2,1610.7 1540.2,1607.5 1538.0,403.6 1537.5,101.9 1062.2,83.6 1062.1,44.5 245.1,220.9 244.9,234.1 1.0,347.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0068a/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.18784423125446,39.75818102183855]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.18379503735524,39.758252018704006]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.1836843311777,39.754467596934006]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2010.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-86.18773352507692,39.75439660006855]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0069a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p69a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0069a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0069a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"509.4,1869.0 533.0,1824.0 618.2,1848.2 1098.2,1846.0 1639.7,1840.5 1632.2,575.3 1630.0,187.6 1087.4,117.7 1087.5,131.3 563.0,1.0 561.6,1.0 561.5,91.2 53.5,126.7 55.6,417.0 64.7,1647.8 74.9,1651.0 76.1,1878.4 509.4,1869.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0069a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1096.0,1832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1815318952346,39.75491279279165]}},{"type":"Feature","properties":{"resourceCoords":[1611.0,1832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1802980769222,39.75492877887107]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0070a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p70a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0070a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0070a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"47.8,182.2 455.9,169.3 519.6,102.1 1230.9,129.6 1202.2,160.9 1570.5,107.0 1603.1,167.1 1634.8,678.2 1610.0,1784.9 1612.5,1785.0 1611.5,1840.9 408.1,1844.2 347.8,1843.4 48.3,1842.1 47.9,600.1 47.8,182.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0070a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[85.0,557.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.18020964221694,39.75732662697374]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.17641785355246,39.754991062285725]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0071a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p71a","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.25"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0071a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0071a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"252.4,1960.6 1537.0,1916.3 1589.4,1832.5 1532.3,1777.0 1489.4,1782.0 1565.8,185.4 1179.5,21.2 1206.0,171.8 1133.7,183.8 1109.2,37.5 1103.1,1.0 356.3,1.0 160.0,215.8 177.4,333.1 158.2,915.2 122.1,1888.2 254.8,1892.6 252.4,1960.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0071a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[676.0,905.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.188637,39.753158]}},{"type":"Feature","properties":{"resourceCoords":[676.0,1907.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1885326,39.7511782]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0072a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p72a","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.59"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0072a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0072a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"180.8,1833.0 133.6,1838.8 209.4,38.9 1664.0,33.2 1664.0,102.8 1664.0,106.8 1597.8,225.3 1563.2,318.9 1546.7,423.7 1544.0,587.0 1546.0,1518.4 1544.0,1882.2 701.5,1899.0 425.0,1844.2 250.6,1883.3 244.1,1893.7 180.8,1833.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0072a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1544.0,587.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.183267,39.753823]}},{"type":"Feature","properties":{"resourceCoords":[1544.0,1886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1831615,39.7514936]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0073a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p73a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0073a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0073a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.0,1509.6 48.6,606.3 48.2,447.9 62.2,345.9 94.0,254.4 156.0,138.3 154.6,66.9 194.7,66.0 218.1,21.1 303.0,45.2 781.1,42.3 1320.3,36.0 1624.2,35.3 1664.0,35.5 1664.0,50.0 1664.0,59.1 1623.5,103.7 1488.3,252.4 1453.2,1891.9 1394.0,1876.6 677.8,1953.0 321.9,1852.7 72.9,1862.5 68.0,1509.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0073a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1202.0,597.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.18049275270576,39.75387314708787]}},{"type":"Feature","properties":{"resourceCoords":[83.0,597.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.18318466058781,39.75384115869911]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0074a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p74a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0074a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0074a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"167.5,256.1 301.7,109.0 363.2,41.5 1573.5,31.9 1564.0,806.2 1595.6,767.2 1628.2,793.3 1608.3,793.3 1583.5,1819.5 1560.7,1884.2 1415.4,1917.9 308.8,1927.8 130.0,1881.2 167.5,256.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0074a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1564.0,1886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.17635983678596,39.75152241875624]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,-1260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.17649092504469,39.75739203182994]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0075a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p75a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0075a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0075a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1586.7,1894.3 1091.7,1868.4 1091.6,1876.7 594.3,1855.8 118.4,1881.3 48.4,1062.4 73.8,139.8 103.8,67.5 681.0,52.6 680.9,64.0 1441.2,61.1 1550.0,55.2 1580.2,54.3 1558.2,1571.9 1589.0,1587.8 1587.9,1617.0 1586.7,1894.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0075a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1098.0,1345.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.20416937714641,39.77224336393462]}},{"type":"Feature","properties":{"resourceCoords":[1274.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.20378001722499,39.77458061164292]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0076a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p76a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0076a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0076a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"553.6,85.4 1055.2,105.2 1055.2,96.9 1554.5,121.8 1553.6,582.6 1550.2,1866.4 91.1,1863.0 94.8,1823.1 44.5,928.6 73.8,112.4 553.6,85.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0076a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1054.0,602.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.20416147721103,39.77034180193182]}},{"type":"Feature","properties":{"resourceCoords":[1054.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.20413365589943,39.76803704425418]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0077a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p77a","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0077a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0077a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.1,1598.8 164.5,1570.2 134.6,1554.2 175.5,65.2 431.1,60.8 499.2,60.4 715.6,63.5 1151.9,67.2 1488.5,71.7 1519.9,71.9 1496.5,1837.8 745.9,1878.7 538.4,1768.1 405.7,1765.0 404.5,1837.4 159.0,1831.8 163.1,1598.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0077a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1538.0,72.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1996885,39.7747009]}},{"type":"Feature","properties":{"resourceCoords":[1538.0,2295.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.199553,39.770497]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0078a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p78a","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0078a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0078a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"150.1,1843.0 1556.9,1836.0 1556.8,1309.3 1556.7,513.5 1508.2,489.2 1503.9,48.9 740.3,107.8 528.4,1.0 391.3,1.0 391.8,73.7 141.6,73.7 144.2,570.3 150.1,1843.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0078a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1144.0,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2005436,39.7680357]}},{"type":"Feature","properties":{"resourceCoords":[1144.0,308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2005511,39.770877]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0079a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p79a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0079a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0079a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"678.4,193.6 823.9,193.1 1030.5,192.1 1347.1,190.3 1389.5,206.0 1389.3,239.9 1385.9,1172.1 1383.9,1706.0 238.8,1698.3 234.0,196.2 678.4,193.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0079a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1392.0,1165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19690334419468,39.772911406620615]}},{"type":"Feature","properties":{"resourceCoords":[813.0,203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19832786660486,39.77469656999714]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0080a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p80a","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0080a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0080a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.5,1843.4 101.1,757.5 131.8,757.7 130.4,236.2 417.9,215.1 417.9,218.1 988.7,145.6 988.7,117.5 1563.2,108.1 1563.2,707.4 1568.1,1432.8 1567.2,1828.7 987.4,1834.3 936.5,1835.1 590.2,1837.7 141.3,1843.3 126.5,1843.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0080a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[419.0,759.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.201058,39.776674]}},{"type":"Feature","properties":{"resourceCoords":[419.0,1841.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2010483,39.7746847]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0081a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p81a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0081a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0081a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1555.1,1932.5 681.0,1711.6 681.0,1714.3 394.6,1719.8 394.6,1713.5 108.5,1711.1 108.8,1510.2 109.5,186.0 91.7,186.1 103.2,146.6 373.6,169.9 724.9,83.9 1484.7,182.8 1487.8,181.3 1558.2,181.1 1553.8,217.9 1555.0,1618.4 1555.1,1932.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0081a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[210.0,189.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19810164807119,39.780721214311264]}},{"type":"Feature","properties":{"resourceCoords":[1126.0,189.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19590250849157,39.78072970301614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0082a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p82a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0082a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0082a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"107.4,1430.6 105.2,702.6 107.5,83.0 395.6,86.2 395.6,92.5 684.1,87.7 684.1,85.0 1563.8,309.6 1562.9,763.9 1560.8,1781.6 1553.7,1824.8 1130.2,1824.6 940.5,1837.8 680.7,1840.4 637.6,1824.5 105.0,1827.8 107.4,1430.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0082a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[110.0,740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19830930414001,39.776708316170954]}},{"type":"Feature","properties":{"resourceCoords":[681.0,1824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19692861964855,39.77473011378378]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0083a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p83a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0083a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0083a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"143.6,133.3 144.1,81.7 239.5,126.8 977.4,59.8 1588.2,183.3 1631.2,316.4 1591.5,1451.7 1606.6,1758.6 1492.8,1825.5 1489.6,1813.7 863.8,1854.3 864.0,1819.3 544.5,1805.1 544.5,1836.0 111.8,1809.8 112.5,1624.9 117.0,212.4 121.5,175.3 50.5,175.2 143.6,133.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0083a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[327.0,176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19437588108153,39.780750406760866]}},{"type":"Feature","properties":{"resourceCoords":[105.0,176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19490433039088,39.78074672799756]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0084a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p84a","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0084a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0084a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.8,162.3 507.5,186.9 507.4,156.2 824.0,169.2 824.0,203.8 1443.9,161.5 1447.1,173.1 1559.6,106.5 1589.2,667.1 1574.6,624.8 1555.8,1796.0 1546.0,1796.0 815.4,1795.4 508.0,1796.0 71.7,1796.4 78.6,1753.5 78.7,743.8 78.8,162.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0084a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[508.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.1937999,39.7747459]}},{"type":"Feature","properties":{"resourceCoords":[1546.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.191306,39.7747565]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0085a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p85a","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0085a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0085a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"108.4,166.5 109.1,47.9 357.9,70.4 358.0,58.9 604.5,135.1 604.0,213.4 1619.9,245.7 1620.1,355.1 1620.1,371.0 1589.0,368.6 1603.0,889.9 1616.3,889.4 1613.5,1316.5 1612.6,1598.5 1609.6,1825.5 1611.6,1874.2 1594.7,1873.5 1565.2,1895.0 1225.4,1883.3 771.8,1917.7 494.2,1899.5 443.2,1884.2 436.4,1847.5 129.2,1858.2 150.6,1617.3 104.0,1550.9 65.5,1133.9 73.7,223.3 108.4,166.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0085a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1044.0,911.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.199518,39.754432]}},{"type":"Feature","properties":{"resourceCoords":[1329.0,1402.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.198119,39.752633]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0086a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p86a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0086a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0086a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"167.4,358.8 167.7,374.7 136.6,372.7 157.4,892.9 170.8,892.2 173.6,1318.6 176.4,1600.0 176.4,1826.6 179.1,1875.2 888.2,1896.4 1658.5,1838.2 1658.4,1801.8 1587.4,1802.4 1585.4,1281.8 1582.9,970.4 1571.1,908.1 1664.0,797.6 1664.0,34.1 1654.0,22.7 1653.8,1.0 263.2,1.0 163.8,140.9 165.4,224.2 167.4,358.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0086a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1159.0,1286.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19201785243008,39.75308127661845]}},{"type":"Feature","properties":{"resourceCoords":[1314.0,1818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.19127312360699,39.75111352378552]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0087a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p87a","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0087a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0087a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1406.9,184.8 1564.0,183.3 1584.5,1283.5 1578.8,1283.6 1575.7,1283.7 1579.7,1797.3 1291.2,1813.5 1291.2,1804.7 715.6,1805.6 715.5,1793.1 132.2,1845.6 132.8,1825.8 58.3,836.9 116.1,199.5 1002.2,103.1 1406.8,135.8 1406.9,184.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0087a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[684.0,198.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.20389500103848,39.78067844803289]}},{"type":"Feature","properties":{"resourceCoords":[133.0,198.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.2052152454432,39.78067974325243]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0009a__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Indianapolis, Indiana | 1956 | sanborn02371_023 p9a [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"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":"6660.0"},{"label":"split_canvas_h","value":"2982.0"}],"created":"2026-10-17T04:08:29Z","modified":"2026-10-17T04:08:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0009a__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0009a","type":"ImageService3","width":1665,"height":2010},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.7,340.1 122.5,558.7 130.2,696.8 520.8,724.2 1443.2,641.0 1500.0,363.8 1452.1,364.6 1447.2,109.2 1151.1,110.5 1097.2,133.0 619.0,136.7 530.5,117.4 114.6,118.0 118.7,340.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094im:g4094im_g02371195601A:02371_01A_1956-0009a__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1459.0,629.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.17015139836664,39.770633333209695]}},{"type":"Feature","properties":{"resourceCoords":[121.0,629.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-86.17334700566421,39.77073785511745]}}]}}]}