{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02404_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Madison, Indiana | 1886 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"17"},{"label":"placed","value":"11"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef-snap 5, georef 5, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 14 panels"},{"label":"unplaced pages","value":"p3__3 (tier 3, 38.73414,-85.38540 +/-501m); p7__2 (tier 1, 38.73388,-85.37232 +/-123m); p8__2 (tier 1, 38.73756,-85.39218 +/-120m); p9__1 (tier 1, 38.73705,-85.39349 +/-260m); p9__2 (tier 1, 38.73788,-85.39227 +/-128m); p9__3 (tier 1, 38.73800,-85.39244 +/-106m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Indiana | 1886 | sanborn02404_001 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1900.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5752.0"}],"created":"2026-10-20T02:19:32Z","modified":"2026-10-20T02:19:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"557.0,1802.6 1218.0,1817.4 1206.6,1912.0 1238.1,1912.0 1414.2,1866.3 1513.0,1727.6 1445.7,1378.7 980.6,1378.0 972.0,1378.0 972.0,1378.0 965.1,1369.5 917.1,784.2 338.2,499.5 187.2,496.6 187.0,509.6 66.0,508.4 63.9,953.5 50.3,1800.1 228.1,1801.5 539.7,1866.7 557.0,1802.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[80.0,509.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.37572189415313,38.73507774056502]}},{"type":"Feature","properties":{"resourceCoords":[80.0,1807.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.37875667749223,38.735032527452]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Indiana | 1886 | sanborn02404_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:19:32Z","modified":"2026-10-20T02:19:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"200.5,1880.5 27.3,1793.1 12.7,1829.2 41.4,65.5 1451.1,20.5 1545.0,35.3 1542.8,613.6 1612.0,613.9 1612.0,617.4 1612.0,626.6 1493.7,627.1 1498.2,1062.2 1497.5,1889.8 1196.1,1892.4 537.7,1892.9 196.6,1895.4 200.5,1880.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[855.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.37431521383229,38.73629952767543]}},{"type":"Feature","properties":{"resourceCoords":[219.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.37432119795454,38.73748640419498]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Indiana | 1886 | sanborn02404_001 p3 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.94"},{"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":"3875.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T02:19:32Z","modified":"2026-10-20T02:19:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"762.7,119.4 736.2,125.5 722.9,32.7 91.7,186.6 91.5,280.3 97.6,766.5 91.0,1352.0 91.0,1813.0 91.2,1849.7 922.5,1788.8 898.0,1053.5 757.5,122.3 762.7,119.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[91.0,1352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3814161,38.7346832]}},{"type":"Feature","properties":{"resourceCoords":[91.0,1813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3824808,38.7348886]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Indiana | 1886 | sanborn02404_001 p3 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.74"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3029.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3422.8"},{"label":"split_canvas_h","value":"2384.0"}],"created":"2026-10-20T02:19:32Z","modified":"2026-10-20T02:19:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"792.1,179.0 857.2,301.1 875.4,301.1 885.8,589.3 1467.8,575.5 1535.8,569.0 1573.2,310.2 1518.6,38.6 1026.6,34.0 874.8,139.3 874.9,201.4 792.1,179.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[876.2,569.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.37879,38.7385709]}},{"type":"Feature","properties":{"resourceCoords":[1497.0,569.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.377285,38.7385818]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Indiana | 1886 | sanborn02404_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:19:32Z","modified":"2026-10-20T02:19:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.0,1765.1 502.9,1790.8 1092.8,1830.2 1583.4,1851.0 1612.0,1852.7 1612.0,1541.5 1612.0,1536.7 1577.2,1363.7 1516.4,1063.7 1388.9,407.4 1320.7,67.8 867.2,38.1 706.8,98.4 694.0,1.0 674.2,1.0 716.8,219.2 115.4,187.2 91.9,804.6 69.9,1131.7 38.0,1765.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1443.0,725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.37877242947933,38.73628609305382]}},{"type":"Feature","properties":{"resourceCoords":[960.0,1458.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3802119310443,38.73512776457731]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Indiana | 1886 | sanborn02404_001 p5 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.89"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T02:19:32Z","modified":"2026-10-20T02:19:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"568.1,1807.0 1167.6,1794.5 1108.9,1580.0 1128.7,1578.5 951.1,718.1 944.2,691.1 945.5,691.1 944.5,686.0 1405.3,683.7 1408.9,687.5 1496.8,686.9 1479.6,625.7 1600.6,480.2 1593.4,482.1 1540.3,57.5 1181.6,17.4 199.3,106.2 118.1,86.9 73.5,612.8 13.0,613.9 18.1,925.1 51.3,909.8 59.0,1811.5 338.1,1811.5 568.1,1807.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[840.0,602.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3802511,38.7397305]}},{"type":"Feature","properties":{"resourceCoords":[708.0,106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3802495,38.740678]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Indiana | 1886 | sanborn02404_001 p5 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.68"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3776.8"},{"label":"split_canvas_y","value":"2744.0"},{"label":"split_canvas_w","value":"2675.2"},{"label":"split_canvas_h","value":"1940.0"}],"created":"2026-10-20T02:19:32Z","modified":"2026-10-20T02:19:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1525.0,1136.2 1524.0,981.8 1554.1,981.5 1579.0,720.8 1463.1,692.1 994.5,692.3 957.6,709.2 1086.2,1136.8 1247.6,1166.7 1299.3,1134.7 1407.7,1133.2 1464.2,1163.6 1525.0,1136.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[944.2,686.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.38447324342923,38.74170450348165]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,686.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.38138807500816,38.74108781620695]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1171.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.38196273767609,38.739340581763194]}},{"type":"Feature","properties":{"resourceCoords":[944.2,1171.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.38504790609716,38.739957269037895]}},{"type":"Feature","properties":{"resourceCoords":[1524.0,981.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3821491,38.7401039]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0005__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Indiana | 1886 | sanborn02404_001 p5 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.71"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4272.0"},{"label":"split_canvas_y","value":"4651.2"},{"label":"split_canvas_w","value":"2180.0"},{"label":"split_canvas_h","value":"3000.8"}],"created":"2026-10-20T02:19:32Z","modified":"2026-10-20T02:19:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0005__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1257.1,1869.1 1583.1,1869.5 1594.7,1196.8 1099.6,1201.5 1120.0,1343.7 1257.1,1869.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0005__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1068.0,1162.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.39372556457047,38.740182801707626]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1162.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.39245290429454,38.73993568486846]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.39288561980278,38.73856067138427]}},{"type":"Feature","properties":{"resourceCoords":[1068.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.39415828007871,38.73880778822343]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Indiana | 1886 | sanborn02404_001 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:19:32Z","modified":"2026-10-20T02:19:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1275.4,1768.5 659.5,1778.5 385.5,1778.7 84.3,1783.0 53.8,1779.0 45.2,611.6 41.3,611.6 45.8,334.7 44.9,106.5 655.0,94.2 978.7,97.1 1605.0,92.1 1605.3,128.7 1576.4,130.8 1593.0,1778.2 1556.2,1869.7 1278.4,1864.5 1275.4,1768.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[663.0,1278.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.38467909476864,38.737125410919255]}},{"type":"Feature","properties":{"resourceCoords":[1262.0,1278.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.38502639273504,38.73604414658264]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Indiana | 1886 | sanborn02404_001 p7 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.94"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T02:19:32Z","modified":"2026-10-20T02:19:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"203.6,1884.5 519.2,1875.5 583.8,1799.1 600.8,1280.4 1367.5,1271.0 1513.0,1268.0 1506.4,643.4 1507.9,365.5 1505.2,60.0 1509.4,29.1 76.0,31.4 78.2,628.7 1.0,631.3 1.0,641.5 130.9,641.9 126.8,969.8 113.0,1265.0 115.1,1596.4 128.0,1596.6 171.9,1912.0 202.0,1912.0 203.6,1884.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[113.0,1265.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3893671,38.7368571]}},{"type":"Feature","properties":{"resourceCoords":[1510.0,25.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.3854817,38.7384588]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Indiana | 1886 | sanborn02404_001 p8 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T02:19:32Z","modified":"2026-10-20T02:19:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1590.7,1316.2 1560.6,1315.4 1514.8,1000.2 1501.9,1000.1 1497.8,668.7 1509.7,373.4 1511.8,45.4 1380.9,45.7 1380.8,35.6 776.1,59.9 721.6,863.7 722.0,914.7 718.1,914.7 718.0,915.9 134.9,918.2 47.8,1144.8 92.5,1262.4 25.1,1628.0 57.4,1847.3 1516.0,1860.2 1564.2,1840.5 1590.7,1316.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094mm:g4094mm_g024041886:02404_1886-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1499.0,656.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.38935696688888,38.736879117577885]}},{"type":"Feature","properties":{"resourceCoords":[799.0,656.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.39095396329206,38.73719180342979]}}]}}]}