{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08089_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Narragansett Pier, Rhode-Island | 1921 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"12"},{"label":"placed","value":"7"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef-snap 6, georef 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p2__2 (tier 1, 41.43068,-71.45809 +/-100m); p3__2 (tier 1, 41.42249,-71.45603 +/-100m); p4__1 (tier 1, 41.42909,-71.45683 +/-176m); p5__1 (tier 1, 41.43187,-71.45687 +/-100m); p7__1 (tier 1, 41.42413,-71.46023 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Narragansett Pier, Rhode-Island | 1921 | sanborn08089_007 p1 [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":"3070.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4581.6"}],"created":"2026-10-18T22:02:22Z","modified":"2026-10-18T22:02:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"143.2,1088.9 143.2,1089.9 142.8,1097.5 144.1,1208.5 133.8,1503.8 130.0,1740.0 54.4,1738.8 45.3,1871.8 66.3,1911.6 1421.9,1909.2 1559.1,1837.0 1594.0,1703.6 1511.9,1376.5 1533.0,1138.6 1474.2,1144.2 1465.7,1036.1 1433.8,880.6 1371.8,892.7 1070.9,959.9 834.2,1009.9 540.5,1064.2 417.9,1079.2 203.6,1094.5 143.2,1088.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1262.0,876.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.45744578261021,41.43064105528332]}},{"type":"Feature","properties":{"resourceCoords":[125.0,1146.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.45723441969717,41.42839644216887]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Narragansett Pier, Rhode-Island | 1921 | sanborn08089_007 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.55"},{"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":"2026-10-18T22:02:22Z","modified":"2026-10-18T22:02:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.7,1627.8 525.9,1711.5 852.9,1766.8 1349.9,1862.8 1335.0,1744.1 1328.3,1677.2 1496.5,1658.9 1612.0,1660.7 1612.0,1617.2 1612.0,1597.9 1566.8,1589.5 1562.5,213.8 1396.0,75.7 1012.8,49.5 917.4,512.2 914.0,513.3 914.0,517.8 899.8,517.6 697.6,579.6 573.9,514.2 569.0,514.2 569.0,511.7 534.7,493.6 475.3,280.8 277.7,234.4 91.6,247.2 79.1,317.4 169.9,324.2 92.8,564.7 75.7,671.5 78.1,1072.7 78.7,1627.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[93.0,663.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.46016949579203,41.43294809360016]}},{"type":"Feature","properties":{"resourceCoords":[94.0,1615.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.46032380910945,41.4312306272495]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Narragansett Pier, Rhode-Island | 1921 | sanborn08089_007 p3 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"21"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T22:02:22Z","modified":"2026-10-18T22:02:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1819.4 1612.0,1782.6 1612.0,1775.6 1572.5,1771.5 1553.6,1640.1 1591.0,1145.1 1543.8,792.9 1585.3,652.7 1549.0,74.0 1508.9,47.2 984.0,28.6 939.8,49.5 904.3,29.2 831.7,54.2 657.3,630.5 543.9,875.4 459.2,942.0 219.7,965.6 140.9,948.0 80.1,978.5 33.0,1482.2 11.0,1490.3 45.8,1525.8 47.0,1514.7 140.4,1525.6 464.5,1656.5 448.5,1749.9 706.2,1783.7 983.3,1822.5 1249.6,1802.3 1442.0,1786.7 1493.8,1791.0 1612.0,1819.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[573.0,1048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.4644987,41.4300987]}},{"type":"Feature","properties":{"resourceCoords":[480.0,1566.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.4619954,41.429475]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Narragansett Pier, Rhode-Island | 1921 | sanborn08089_007 p4 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"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":"5302.8"}],"created":"2026-10-18T22:02:22Z","modified":"2026-10-18T22:02:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1575.4,959.4 1548.0,833.9 1463.3,534.8 1388.7,294.3 1325.9,100.4 831.1,98.6 506.9,105.0 62.2,105.9 46.8,673.9 37.3,1201.9 1022.7,1237.3 1325.8,1255.2 1612.0,1243.2 1612.0,1180.9 1612.0,1180.0 1575.4,959.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[59.0,1219.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.46106506734284,41.4292170107546]}},{"type":"Feature","properties":{"resourceCoords":[1672.0,1219.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.45721474728114,41.42846290271291]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Narragansett Pier, Rhode-Island | 1921 | sanborn08089_007 p5 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"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":"2026-10-18T22:02:22Z","modified":"2026-10-18T22:02:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1514.7,1836.2 1528.2,1424.8 1523.7,1169.8 1507.0,1000.2 1504.0,855.1 1507.3,465.7 1513.2,62.6 548.7,48.8 360.6,42.1 188.7,715.2 192.0,902.1 214.2,901.4 153.4,979.4 227.4,1118.7 440.2,1125.5 574.2,1127.7 574.2,1129.7 579.2,1129.9 672.0,1429.8 620.9,1511.2 683.4,1730.7 978.3,1750.7 1150.7,1835.2 1514.7,1836.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[566.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.46107285439426,41.42922621844272]}},{"type":"Feature","properties":{"resourceCoords":[183.0,880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.46256627038812,41.427936648791224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Narragansett Pier, Rhode-Island | 1921 | sanborn08089_007 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:02:22Z","modified":"2026-10-18T22:02:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"492.6,51.9 780.0,63.6 892.6,61.2 1192.1,68.6 1431.7,70.1 1431.1,146.7 1566.1,154.6 1527.2,175.6 1611.3,492.4 1576.5,1615.5 1595.0,1763.7 1612.0,1772.2 1612.0,1847.9 1440.3,1873.1 1278.1,1889.1 1184.0,1891.6 894.2,1877.0 517.4,1863.1 361.8,1884.1 360.9,1877.9 72.6,1877.7 17.2,1765.6 73.4,1359.8 95.3,1107.0 96.5,937.3 108.5,793.4 152.3,408.4 199.9,10.1 492.6,51.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1457.0,836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.45599712454604,41.426778846026]}},{"type":"Feature","properties":{"resourceCoords":[1643.0,1855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.45597625947099,41.42481081436576]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Narragansett Pier, Rhode-Island | 1921 | sanborn08089_007 p7 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"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":"2026-10-18T22:02:22Z","modified":"2026-10-18T22:02:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"372.8,1324.5 421.5,1324.5 421.5,1327.2 424.8,1327.3 422.1,1649.1 522.5,1862.7 1532.0,1872.2 1591.6,1367.8 1543.6,650.7 1597.5,329.7 1577.2,171.6 1381.6,62.1 1378.1,139.4 1201.9,157.2 1035.7,165.9 939.7,164.2 644.9,135.9 261.4,104.4 101.8,118.6 133.5,422.2 69.2,547.4 64.2,1307.8 372.8,1324.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774nm:g3774nm_g080891921:08089_1921-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[479.0,145.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.45826645312059,41.42503641735412]}},{"type":"Feature","properties":{"resourceCoords":[560.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.4585937398593,41.4219335373552]}}]}}]}