{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05793_027.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Buffalo, New-York | 1950 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"114"},{"label":"placed","value":"89"},{"label":"unplaced","value":"25"},{"label":"fit sources","value":"georef 57, georef-snap 31, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"11 sheet(s) cut into 21 panels"},{"label":"unplaced pages","value":"p0__1 (tier 1, 42.94201,-78.90165 +/-100m); p363__1 (tier 1, 42.93607,-78.89630 +/-100m); p363__2 (tier 1, 42.93552,-78.89399 +/-252m); p366 (tier 1, 42.93535,-78.88924 +/-254m); p367__2 (tier 1, 42.93129,-78.89265 +/-227m); p375__1 (tier 2, 42.95034,-78.89579 +/-164m); p375__2 (tier 1, 42.95113,-78.89666 +/-100m); p377 (tier 2, 42.94697,-78.89773 +/-209m); p379__1 (tier 1, 42.94619,-78.89146 +/-100m); p381 (tier 2, 42.94288,-78.90697 +/-100m); p382 (tier 2, 42.94012,-78.90600 +/-106m); p388 (tier 1, 42.94479,-78.89601 +/-258m); p390__2 (tier 1, 42.94608,-78.88991 +/-188m); p397 (tier 1, 42.93938,-78.90499 +/-236m); p398__1 (tier 1, 42.93587,-78.90479 +/-166m); p411__2 (tier 1, 42.95898,-78.90201 +/-100m); p418 (tier 1, 42.94917,-78.88183 +/-510m); p421__1 (tier 2, 42.94042,-78.90238 +/-2572m); p423 (tier 2, 42.93087,-78.88306 +/-679m); p428__1 (tier 1, 42.93165,-78.88561 +/-198m); p428__2 (tier 1, 42.93255,-78.88845 +/-212m); p429 (tier 4, 42.93691,-78.89340 +/-3017m); p431 (tier 4, 42.93691,-78.89340 +/-3017m); p432 (tier 4, 42.93691,-78.89340 +/-3017m); p433 (tier 1, 42.95855,-78.91214 +/-248m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0331/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p331","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0331/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0331","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.0,156.4 15.7,117.1 782.5,221.6 781.8,204.8 781.6,203.3 1560.0,53.9 1561.8,265.8 1616.4,267.1 1562.3,382.2 1562.3,382.8 1563.0,594.6 1563.7,824.0 1566.8,1859.8 788.6,1862.4 788.2,1914.9 105.5,1756.7 76.0,156.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0331/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[786.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89783594469243,42.92607104981966]}},{"type":"Feature","properties":{"resourceCoords":[1572.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89590878144367,42.9259337533454]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0332/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p332","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0332/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0332","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"716.0,1867.0 161.7,1865.3 164.7,831.6 716.0,835.0 1211.8,779.8 1441.7,754.4 1431.5,1259.0 1415.2,1260.2 1430.9,1526.2 1458.2,1784.9 716.0,1867.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0332/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[716.0,1867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.894563,42.925812]}},{"type":"Feature","properties":{"resourceCoords":[716.0,835.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8943313,42.9276697]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0333/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p333","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0333/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0333","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"512.7,1346.9 262.8,1365.4 245.0,1106.8 239.0,841.5 255.3,840.9 283.9,338.9 552.0,319.3 1440.7,254.2 1544.2,245.7 1542.3,325.8 1519.9,792.1 1501.3,1266.5 1488.5,1782.8 492.8,1856.3 512.7,1346.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0333/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[546.0,311.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89187670901454,42.92772021722333]}},{"type":"Feature","properties":{"resourceCoords":[238.0,832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89270919580433,42.92680664318212]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0334/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p334","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0334/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0334","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1579.4,1867.6 1083.3,1787.7 1087.2,1694.8 80.5,1772.2 92.0,1247.5 109.5,765.2 130.8,291.1 132.4,209.7 625.4,172.0 1527.5,99.2 1587.2,906.4 1606.0,1103.1 1607.1,1164.8 1579.4,1867.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0334/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1099.0,1204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.88718443613172,42.92586865242415]}},{"type":"Feature","properties":{"resourceCoords":[1603.0,144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8858092934584,42.927706211826816]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0335/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p335","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0335/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0335","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"507.3,281.1 515.3,283.4 752.4,244.2 1541.9,253.9 1593.3,295.6 1589.0,1300.0 1554.0,1299.9 1563.2,1801.0 566.7,1796.7 536.4,1796.6 532.1,1829.9 41.0,1778.9 95.0,1325.7 98.7,1265.5 95.5,1072.6 99.7,282.4 507.3,281.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0335/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[98.0,1300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8859361,42.9259335]}},{"type":"Feature","properties":{"resourceCoords":[1589.0,1300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.882214,42.9259924]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0336/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p336","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0336/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0336","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1321.8,1813.6 765.6,1834.2 767.9,1812.8 713.6,1812.9 271.8,1813.8 259.3,1302.1 295.0,1302.0 292.9,276.4 307.2,287.9 1380.0,268.0 1376.0,1302.0 1373.6,1325.1 1321.8,1813.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0336/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[295.0,1302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.882214,42.9259924]}},{"type":"Feature","properties":{"resourceCoords":[1376.0,1302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.879571,42.926022]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0337/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p337","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0337/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0337","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1371.6,1815.6 837.5,1839.5 837.5,1824.9 281.0,1822.8 333.4,1248.0 335.4,1225.0 324.2,197.7 366.7,196.2 449.1,84.0 479.0,203.8 1244.7,167.7 1269.6,168.2 1392.5,211.6 1422.4,443.7 1549.7,451.3 1392.2,922.9 1429.5,1349.6 1549.3,1379.6 1549.2,1639.2 1371.7,1827.6 1371.6,1815.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0337/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1370.0,1216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8770252,42.9260391]}},{"type":"Feature","properties":{"resourceCoords":[838.0,171.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8783354,42.9279216]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0338/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p338","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"24"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0338/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0338","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"244.2,530.9 188.9,1138.0 157.6,1401.2 171.0,1513.8 189.6,1558.9 268.2,1678.3 325.2,1678.0 369.3,1677.6 1194.4,1671.6 1361.0,1668.3 1361.0,1674.6 1400.0,1630.9 1397.5,1159.5 1450.5,1100.2 1456.7,501.8 1549.7,196.1 1551.7,1.0 1528.6,1.0 1372.7,163.2 1372.7,151.2 838.8,169.7 839.0,155.2 282.9,147.6 244.2,530.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0338/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[835.0,572.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.878334,42.9241898]}},{"type":"Feature","properties":{"resourceCoords":[1368.0,848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8770144,42.9237021]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0339/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p339","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0339/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0339","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1590.1,1873.4 812.1,1872.5 812.3,1891.5 161.4,1840.9 110.5,96.0 792.1,246.3 792.0,194.0 1566.8,183.1 1581.3,1231.2 1590.1,1873.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0339/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1581.0,1210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8961636,42.9240541]}},{"type":"Feature","properties":{"resourceCoords":[792.0,194.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8978338,42.9260375]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0340/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p340","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0340/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0340","type":"ImageService3","width":1667,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"617.0,1763.0 617.1,1796.2 62.7,1839.8 61.1,1236.2 58.3,177.4 617.0,176.0 1364.7,89.1 1616.6,59.8 1618.2,575.6 1615.5,1652.2 617.0,1763.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0340/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[617.0,1763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.894938,42.9229793]}},{"type":"Feature","properties":{"resourceCoords":[617.0,176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.894563,42.925812]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0341/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p341","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0341/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0341","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"362.2,1300.3 362.0,234.0 1355.7,115.6 1353.6,628.3 1363.9,1730.5 365.2,1848.0 362.2,1300.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0341/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[858.0,1790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8913782,42.9220329]}},{"type":"Feature","properties":{"resourceCoords":[362.0,234.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.892217,42.9249254]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0342/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p342","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0342/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0342","type":"ImageService3","width":1666,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.5,664.5 99.7,145.7 1100.8,32.5 1100.2,125.2 1597.8,187.1 1596.8,460.8 1596.1,533.0 1598.3,1612.7 587.4,1725.5 327.1,1754.5 98.2,1780.0 94.5,664.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0342/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1596.0,500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8861837,42.9240796]}},{"type":"Feature","properties":{"resourceCoords":[1094.0,1669.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8876712,42.9220809]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0343/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p343","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0343/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0343","type":"ImageService3","width":1680,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1379.1,1746.3 1379.0,1744.0 655.3,1734.0 130.0,1726.6 261.8,660.2 271.5,589.0 336.4,86.7 835.2,143.5 839.9,109.7 870.8,110.1 1565.4,120.0 1523.0,645.6 1541.9,645.8 1525.2,1164.2 1523.9,1207.2 1549.7,1207.6 1502.0,1745.8 1402.2,1746.3 1379.1,1746.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0343/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[785.0,638.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.88490869558865,42.92409051571587]}},{"type":"Feature","properties":{"resourceCoords":[609.0,1728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.88525612469404,42.9221217699289]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0344/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p344","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0344/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0344","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"728.1,1728.9 111.8,1714.5 164.1,1182.5 138.6,1181.8 140.3,1139.3 161.8,626.5 143.2,626.1 190.1,106.5 940.5,124.5 994.0,125.7 991.2,146.8 1539.6,140.7 1477.8,607.3 1404.4,1207.9 1365.2,1468.0 1375.1,1580.2 1392.2,1625.5 1466.6,1746.3 728.1,1728.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0344/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[850.0,1175.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8812884,42.9231752]}},{"type":"Feature","properties":{"resourceCoords":[772.0,1730.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.881425,42.9221618]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0345/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p345","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0345/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0345","type":"ImageService3","width":1680,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"766.8,1736.3 759.5,1882.3 30.9,1794.6 74.7,1106.2 149.1,784.3 137.2,43.6 788.7,102.8 788.7,83.9 1568.3,95.0 1568.5,499.1 1569.0,1043.7 1553.8,1645.4 766.8,1736.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0345/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[787.0,1041.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8984585,42.9212884]}},{"type":"Feature","properties":{"resourceCoords":[787.0,536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8983407,42.9221973]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0346/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p346","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0346/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0346","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.1,1845.5 67.3,1244.2 58.0,700.3 50.3,251.8 599.0,200.7 598.4,167.8 1586.2,43.7 1595.7,591.6 1602.1,956.2 1583.0,957.0 1583.0,977.0 1583.8,977.2 1584.0,983.0 1585.0,1006.0 1603.0,1005.6 1615.8,1640.1 62.1,1845.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0346/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1605.0,1121.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.892727,42.921063]}},{"type":"Feature","properties":{"resourceCoords":[610.0,1773.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8953494,42.92009]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0347__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p347 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"3614.0"},{"label":"split_canvas_w","value":"6720.0"},{"label":"split_canvas_h","value":"4182.0"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0347__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0347","type":"ImageService3","width":1680,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"30.2,1898.2 481.5,1930.8 612.0,1930.0 625.5,1929.8 627.0,1929.0 716.4,1928.8 1663.5,1850.2 1631.3,928.3 69.7,1063.1 4.9,1896.4 30.2,1898.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0347__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[586.0,1932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89558321950803,42.91843850713915]}},{"type":"Feature","properties":{"resourceCoords":[586.0,997.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89543132748922,42.92012675458175]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0347__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p347 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"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":"6720.0"},{"label":"split_canvas_h","value":"3668.0"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0347__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0347","type":"ImageService3","width":1680,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"403.6,786.0 696.7,805.9 783.1,812.8 781.6,832.0 1186.2,844.2 1213.7,845.2 1576.0,871.2 1641.9,21.9 838.6,91.4 826.9,239.8 88.1,129.3 55.0,487.0 119.8,799.1 360.5,844.6 362.1,779.4 403.6,786.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0347__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[808.0,816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89886016709794,42.91875985751907]}},{"type":"Feature","properties":{"resourceCoords":[1606.0,816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89692885063194,42.91866635705814]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0348/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p348","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0348/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0348","type":"ImageService3","width":1667,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.1,1924.7 81.3,1027.2 146.5,412.7 129.1,410.9 133.2,363.3 151.7,364.9 190.1,11.9 1169.7,9.2 1383.7,8.5 1384.0,12.0 1401.0,12.0 1401.3,8.5 1638.0,8.0 1638.0,40.0 1640.0,40.2 1535.1,1020.3 1472.9,1020.2 1373.7,1921.5 1366.9,1921.4 954.0,1922.5 40.1,1924.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0348/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[550.0,1030.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89165309278779,42.92013493520763]}},{"type":"Feature","properties":{"resourceCoords":[1206.0,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89002554965732,42.92198913660035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0349/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p349","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0349/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0349","type":"ImageService3","width":1680,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"246.2,1916.5 194.2,1916.6 292.0,1028.3 353.3,1028.5 460.3,30.6 1425.4,27.9 1317.7,1027.9 1290.2,1316.5 1215.7,1914.7 246.2,1916.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0349/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[315.0,1034.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.88925195406694,42.92016861109934]}},{"type":"Feature","properties":{"resourceCoords":[1330.0,1034.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.88663850102513,42.920197259805434]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0350/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p350","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0350/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0350","type":"ImageService3","width":1667,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"174.3,1321.8 200.1,1029.5 301.6,16.5 808.5,11.4 1507.0,4.3 1528.8,480.4 1553.3,479.9 1566.3,1019.1 1516.7,1019.4 1517.7,1314.1 1522.5,1913.6 103.5,1927.9 174.3,1321.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0350/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[677.0,1025.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.88545715771093,42.92022352987689]}},{"type":"Feature","properties":{"resourceCoords":[1543.0,1025.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.88325409700228,42.92023569801913]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0351/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p351","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0351/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0351","type":"ImageService3","width":1667,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"175.7,489.9 151.2,489.6 141.7,15.0 164.0,15.0 164.1,13.1 862.1,23.9 1583.1,35.1 1638.3,36.0 1653.0,36.2 1653.0,37.0 1666.0,38.0 1666.0,106.8 1402.5,335.0 1233.4,731.4 1165.2,1035.2 1310.8,1038.3 1273.0,1893.5 1271.6,1925.7 1212.0,1925.0 1102.0,1929.0 641.0,1928.0 532.9,1929.8 108.1,1923.4 118.7,1323.5 125.2,1028.6 174.9,1029.6 175.7,489.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0351/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[887.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.88146934057428,42.9221320859516]}},{"type":"Feature","properties":{"resourceCoords":[830.0,514.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.88157411599627,42.92124673155828]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0352/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p352","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0352/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0352","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"237.4,1891.5 263.6,1032.1 117.4,1031.0 181.7,724.9 346.1,324.4 607.6,91.7 606.6,22.5 621.6,20.9 1424.7,22.5 1586.8,20.8 1586.8,26.9 1573.1,41.9 1617.1,1513.5 1593.6,1927.0 1593.0,1927.0 1592.0,1948.0 1536.2,1948.0 1494.3,1931.2 1254.3,1933.3 576.3,1931.9 236.1,1935.5 237.4,1891.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0352/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[229.0,1904.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.88035280645424,42.91868431210749]}},{"type":"Feature","properties":{"resourceCoords":[1576.0,1034.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.87698789933879,42.92034505075498]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0353/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p353","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0353/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0353","type":"ImageService3","width":1667,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1561.2,1920.5 1566.0,1604.8 1568.4,722.5 1571.4,605.8 1598.2,81.3 1601.7,19.5 1518.6,14.2 1304.3,1.0 1196.5,1.0 1196.2,57.0 964.2,17.4 966.5,27.6 672.5,103.5 101.5,107.2 65.9,1172.1 128.4,1833.3 317.0,1898.1 1014.8,1920.3 1561.2,1920.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0353/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1554.0,963.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89923819596116,42.91703772293821]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89904252447212,42.91875264987236]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0354/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p354","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0354/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0354","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.5,1918.2 1553.0,1900.7 1647.0,1880.0 1647.0,1870.0 1655.2,1869.5 1671.0,1849.0 1646.0,1848.0 1575.0,1852.2 1540.3,1856.8 1530.2,890.1 1450.9,891.8 1492.2,38.7 1462.2,36.3 973.6,16.0 948.4,14.9 612.4,1.0 169.8,1.0 168.0,44.3 147.6,578.9 146.1,697.8 155.2,1596.5 154.5,1918.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0354/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[547.0,907.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89821247992087,42.91703077409023]}},{"type":"Feature","properties":{"resourceCoords":[1548.0,907.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89574376020272,42.91685619539118]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0355/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p355","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0355/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0355","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"289.7,1853.9 218.7,1853.9 184.0,1854.0 298.4,902.5 220.2,894.0 370.4,60.9 432.8,60.3 535.6,69.4 1474.9,85.1 1450.4,491.7 1383.4,1021.6 1328.5,1509.5 1285.8,1840.6 864.0,1840.4 285.9,1890.5 313.5,1863.1 289.1,1858.9 289.7,1853.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0355/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[184.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.895989,42.915142]}},{"type":"Feature","properties":{"resourceCoords":[734.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.894615,42.915176]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0356/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p356","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0356/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0356","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"216.8,1874.2 257.0,1536.0 308.1,1037.5 371.0,496.0 391.9,80.8 1338.9,86.9 1291.3,495.9 1323.0,1038.0 1369.8,1863.7 216.8,1874.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0356/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1323.0,1038.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8905778,42.9167813]}},{"type":"Feature","properties":{"resourceCoords":[371.0,496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8929404,42.9177127]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0357/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p357","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0357/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0357","type":"ImageService3","width":1664,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"109.5,1014.0 82.5,471.0 133.7,61.8 562.0,68.2 623.9,69.2 1644.5,85.1 1599.5,460.8 1586.6,1026.7 1586.7,1437.3 1576.6,1845.9 1663.0,1845.9 1663.0,1895.4 1176.8,1911.7 149.3,1841.1 109.5,1014.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0357/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1108.0,1026.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8881358,42.9168177]}},{"type":"Feature","properties":{"resourceCoords":[1060.0,1432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.888221,42.916088]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0358/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p358","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0358/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0358","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1596.2,82.0 1597.8,1017.8 1514.7,1018.1 1521.6,1826.5 1647.2,1825.7 1646.0,1851.0 1671.0,1880.7 1395.8,1837.8 167.8,1900.7 165.9,1851.2 79.3,1852.7 82.2,1442.9 74.9,1031.2 77.8,463.7 116.3,86.2 1596.2,82.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0358/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[590.0,1023.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8857095,42.9168725]}},{"type":"Feature","properties":{"resourceCoords":[1060.0,1832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8845339,42.9154397]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0359/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p359","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0359/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0359","type":"ImageService3","width":1664,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"326.2,1828.2 327.4,1803.2 203.2,1803.9 196.4,1004.1 278.6,1003.9 277.0,78.0 715.0,76.6 826.4,72.7 1301.5,65.0 1476.2,58.4 1475.9,70.3 1464.3,971.4 1448.0,1805.5 1415.9,1849.8 945.4,1827.9 608.0,1897.6 351.0,1857.5 326.2,1828.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0359/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[516.0,1802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8826369,42.9154735]}},{"type":"Feature","properties":{"resourceCoords":[277.0,78.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8832892,42.9185801]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0360/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p360","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0360/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0360","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"516.5,96.9 1214.0,93.0 1460.8,89.0 1504.1,105.9 1561.9,106.5 1514.8,1065.4 1583.1,1620.5 1550.6,1829.8 1482.6,1881.4 143.6,1843.1 157.5,1006.8 166.5,103.4 516.5,96.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0360/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1498.0,727.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8770402,42.9175313]}},{"type":"Feature","properties":{"resourceCoords":[1214.0,93.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8777572,42.9186672]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0361/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p361","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0361/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0361","type":"ImageService3","width":1664,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"907.1,1932.7 1194.0,1703.7 1200.2,1719.4 1469.7,1536.7 1595.0,1585.5 1484.8,1188.3 1465.0,1196.0 1465.5,1140.5 1465.8,1119.6 1468.3,834.3 1480.0,48.0 1058.9,48.4 1036.5,80.2 1.0,321.4 1.0,351.7 49.2,352.1 64.4,625.2 147.6,681.9 43.2,1199.7 146.9,1806.7 907.1,1932.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0361/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1465.0,1196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9002712,42.9328511]}},{"type":"Feature","properties":{"resourceCoords":[1480.0,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.901254,42.934774]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0362/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p362","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0362/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0362","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"178.3,1564.6 1128.4,1936.3 1129.0,1926.0 1163.5,1922.8 1180.9,1916.0 1189.0,1920.4 1193.0,1920.0 1239.7,1920.1 1656.0,1051.2 1656.0,1041.0 1661.2,1040.3 1670.2,1021.7 1657.0,1017.0 1657.0,985.0 1665.8,984.4 1663.2,962.4 1595.6,1096.0 1660.2,796.2 1657.0,796.0 1657.0,768.0 1666.8,765.9 1670.8,747.0 1656.0,745.0 1656.0,716.0 1671.0,715.0 1671.0,692.0 1662.0,691.0 1662.0,677.0 1655.0,673.0 1655.0,656.0 1661.0,649.0 1671.0,649.0 1671.0,632.0 1650.0,628.0 1650.0,604.0 1671.0,602.0 1671.0,581.0 1647.0,580.0 1647.0,557.0 1671.0,555.0 1671.0,535.0 1653.0,535.0 1652.0,516.0 1647.0,511.0 1648.0,494.0 1671.0,496.0 1671.0,477.0 1649.0,475.0 1649.0,450.0 1671.0,449.0 1671.0,250.9 1045.2,1.0 914.3,1.0 884.7,23.2 811.0,48.2 691.2,46.3 66.7,36.2 53.8,817.8 50.8,1101.3 50.5,1122.1 49.8,1177.2 69.5,1169.6 178.3,1564.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0362/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1393.0,1478.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89692812811458,42.93322743791514]}},{"type":"Feature","properties":{"resourceCoords":[74.0,44.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90123027520245,42.93476575740278]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0364/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p364","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.39"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0364/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0364","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1245.7,1712.5 982.9,1859.8 504.1,1775.2 173.1,1548.5 292.4,1519.8 425.5,1248.9 200.6,1063.8 256.9,931.3 215.9,865.4 70.2,801.8 46.9,517.4 79.1,459.5 159.8,466.1 1483.8,527.2 1574.2,531.5 1624.9,533.9 1584.2,1249.2 1566.4,1696.4 1559.2,1811.2 1245.7,1712.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0364/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[-242.0,500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89391613559332,42.93667012954373]}},{"type":"Feature","properties":{"resourceCoords":[1559.0,500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89006595666889,42.938233908297526]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0365/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p365","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.42"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0365/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0365","type":"ImageService3","width":1657,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1550.4,1913.9 1551.7,1908.7 1571.8,1840.7 1571.7,1816.6 1569.3,1407.9 1656.0,845.0 1656.0,843.0 1584.6,198.6 1532.7,128.8 1067.3,54.9 766.1,122.2 285.0,117.4 284.4,1.0 226.2,1.0 182.2,132.7 144.3,151.5 1.0,164.7 1.0,498.4 125.1,965.9 124.6,816.8 157.6,866.2 182.8,1882.0 1550.4,1913.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0365/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89687807447291,42.935759441141194]}},{"type":"Feature","properties":{"resourceCoords":[1657.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89281242812659,42.93546414256325]}},{"type":"Feature","properties":{"resourceCoords":[1657.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89328633266241,42.931959217395146]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89735197900873,42.93225451597309]}},{"type":"Feature","properties":{"resourceCoords":[127.0,1430.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8969154,42.9331653]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0367__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p367 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.57"},{"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":"3472.8"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0367__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0367","type":"ImageService3","width":1657,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"185.4,1938.7 200.0,1938.5 210.5,1938.4 537.6,1751.9 841.2,995.9 838.5,645.5 838.3,643.4 570.1,671.3 111.7,718.9 72.0,723.0 110.0,1117.3 137.0,1411.0 185.4,1938.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0367__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[137.0,1411.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.901789,42.945798]}},{"type":"Feature","properties":{"resourceCoords":[72.0,723.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9024,42.94698]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0368/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p368","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0368/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0368","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.4,986.8 135.7,308.1 535.0,224.6 685.8,66.9 868.0,79.6 1002.6,225.1 1116.8,236.8 1259.5,230.7 1257.0,125.3 1546.0,150.4 1618.4,354.7 1619.4,845.0 1604.0,846.1 1604.5,1791.7 1117.5,1797.0 1117.5,1806.6 616.6,1810.5 616.8,1844.9 116.2,1802.4 116.2,1678.0 109.3,1678.2 57.4,986.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0368/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1116.0,898.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8888096,42.9322645]}},{"type":"Feature","properties":{"resourceCoords":[614.0,962.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.890051,42.932236]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0369/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p369","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0369/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0369","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"261.2,484.1 273.4,495.2 432.5,219.9 1599.8,126.7 1584.1,1127.4 1572.1,1897.2 1572.8,1921.3 1573.0,1931.6 1573.2,1937.7 819.8,1821.8 800.4,1808.8 140.8,1787.6 106.4,807.5 261.2,484.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0369/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[758.0,944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89929160124403,42.930917263583495]}},{"type":"Feature","properties":{"resourceCoords":[1575.0,1670.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89739968730329,42.929472900384546]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0370/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p370","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.68"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0370/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0370","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.7,69.5 105.0,67.5 145.6,46.7 146.3,70.5 1488.7,95.7 1489.9,90.5 1501.5,23.7 1509.4,23.7 1510.7,150.9 1576.6,542.1 927.6,1948.0 873.6,1948.0 870.5,1740.2 108.3,1891.7 107.2,1869.3 101.0,1103.0 92.7,69.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0370/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[874.0,1971.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8955623,42.9287268]}},{"type":"Feature","properties":{"resourceCoords":[101.0,1103.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8972688,42.9304619]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0371/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p371","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0371/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0371","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1576.7,1858.1 1613.0,613.3 1544.8,618.4 1615.3,63.8 1158.5,42.4 1022.0,110.4 832.8,48.4 815.6,1.0 814.8,1.0 56.7,1485.5 56.7,1486.1 54.7,1549.9 50.4,1695.5 43.6,1922.2 410.6,1934.4 411.0,1933.0 604.0,1929.0 704.8,1930.7 1081.9,1899.0 1576.7,1858.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0371/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[77.0,1916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89560170707355,42.92777374917757]}},{"type":"Feature","properties":{"resourceCoords":[620.0,1916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89425138605814,42.92771053191269]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0372/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p372","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0372/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0372","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"119.7,41.6 49.2,600.9 118.0,595.7 82.8,1850.8 973.2,1776.3 1076.9,1766.7 1562.9,1725.9 1579.8,1075.8 1600.8,469.4 1610.0,158.0 1126.4,148.4 1126.1,158.0 628.9,146.7 628.0,180.8 132.4,123.5 136.1,1.0 129.1,1.0 119.7,41.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0372/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[601.0,536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8903741711021,42.9300180938546]}},{"type":"Feature","properties":{"resourceCoords":[601.0,1792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89057557168654,42.9277499941114]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0373/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p373","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0373/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0373","type":"ImageService3","width":1654,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"90.5,1461.3 91.4,1174.5 95.2,828.8 99.9,9.6 125.4,12.1 893.6,11.5 894.0,45.5 1516.8,46.5 1496.6,561.3 1469.1,561.8 1387.2,826.9 1442.1,827.3 1591.3,1202.5 1510.6,1193.4 1491.7,1416.7 1263.9,1424.0 111.7,1948.0 69.5,1948.0 49.4,1948.0 210.3,1457.5 90.5,1461.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0373/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[492.0,829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8983329,42.9529569]}},{"type":"Feature","properties":{"resourceCoords":[892.0,829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.897781,42.953549]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0374/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p374","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0374/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0374","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"176.3,1436.2 1.0,1445.2 1.0,1475.6 1324.3,1421.6 1299.7,1388.0 1496.0,1379.6 1117.7,843.5 1186.8,842.6 1268.0,956.8 1268.0,949.3 1263.7,841.7 1538.7,838.3 1526.5,64.5 1526.5,63.5 184.7,76.0 170.8,587.1 143.6,587.9 65.5,851.9 120.0,851.7 272.6,1222.5 192.4,1214.3 176.3,1436.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0374/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89891601853279,42.95506939293322]}},{"type":"Feature","properties":{"resourceCoords":[1672.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89655342428219,42.957545502621464]}},{"type":"Feature","properties":{"resourceCoords":[1672.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.892615334396,42.955527022254174]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.8949779286466,42.95305091256593]}},{"type":"Feature","properties":{"resourceCoords":[1526.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8966981,42.9572977]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0376/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p376","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.54"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0376/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0376","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"597.0,1948.0 599.3,1948.0 663.2,1948.0 643.3,1935.9 1544.9,1882.3 1515.5,157.0 1472.3,163.2 1472.5,143.6 1.0,344.9 1.0,1586.2 597.0,1948.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0376/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89422292585176,42.95121858792736]}},{"type":"Feature","properties":{"resourceCoords":[1672.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89013050929141,42.95085395343306]}},{"type":"Feature","properties":{"resourceCoords":[1672.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89071043651393,42.94735760086226]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89480285307428,42.94772223535656]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,1888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.890986,42.9474932]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0378/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p378","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.64"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0378/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0378","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1173.8,1948.0 1129.8,1844.3 1136.7,1637.2 1147.0,1633.0 1570.4,1471.2 1580.1,692.4 1662.0,693.0 1657.0,679.0 1657.0,663.0 1671.0,662.0 1671.0,560.0 1660.0,559.0 1660.0,543.0 1671.0,542.0 1671.0,483.0 1629.0,484.0 1630.0,463.0 1635.0,462.2 1637.0,455.0 1671.0,454.3 1671.0,453.6 955.7,1.0 73.7,1.0 1.0,143.9 1.0,1948.0 1173.8,1948.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0378/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1147.0,1633.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8945826,42.9452695]}},{"type":"Feature","properties":{"resourceCoords":[1147.0,689.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8943345,42.9470258]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0379__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p379 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2418.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4221.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0379__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0379","type":"ImageService3","width":1660,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"685.2,128.3 618.8,128.0 797.0,237.5 760.5,238.7 752.5,269.1 796.3,267.4 798.8,454.0 789.9,486.4 704.5,487.0 705.3,1298.9 1143.1,1054.5 1584.8,816.0 1577.2,482.1 1571.9,66.2 665.3,116.0 685.2,128.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0379__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[704.5,487.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8932346,42.9469361]}},{"type":"Feature","properties":{"resourceCoords":[1579.0,72.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.890986,42.9474932]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0380/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p380","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0380/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0380","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.9,1811.9 433.6,1813.5 475.6,1813.8 822.6,1816.2 1194.3,1813.6 1505.0,1815.0 1504.5,1831.6 1674.3,1790.7 1599.9,1774.2 1617.4,1364.7 1551.7,1155.8 1558.5,91.0 1171.6,51.3 1029.8,102.5 129.0,104.2 134.3,1608.4 126.2,1705.2 29.1,1749.2 1.0,1749.5 1.0,1811.6 126.9,1811.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0380/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[213.0,655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8814343,42.9498521]}},{"type":"Feature","properties":{"resourceCoords":[1505.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8782184,42.9477656]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0383/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p383","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0383/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0383","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"435.8,406.4 444.8,345.8 447.5,331.7 1530.2,345.5 1565.7,514.3 1605.6,513.8 1517.6,1151.3 1446.8,1651.8 1055.7,1658.5 260.2,1667.5 331.0,1134.0 435.8,406.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0383/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[331.0,1134.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9064469,42.9426395]}},{"type":"Feature","properties":{"resourceCoords":[1213.0,524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.905252,42.944363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0384/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p384","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0384/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0384","type":"ImageService3","width":1673,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1310.0,1662.4 1396.3,1145.1 1531.2,346.1 1.0,318.7 1.0,342.9 204.8,351.6 235.1,521.5 275.0,522.1 167.9,1156.8 82.1,1655.1 476.6,1660.2 893.0,1664.0 1310.0,1662.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0384/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[564.0,1136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90304,42.944021]}},{"type":"Feature","properties":{"resourceCoords":[893.0,1664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.901687,42.943496]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0385/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p385","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0385/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0385","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.3,1661.9 415.5,1711.8 831.3,1707.2 1218.0,1707.6 1565.4,1704.1 1570.8,933.9 1532.9,940.3 1555.5,390.4 1552.0,391.0 1167.3,455.0 384.1,580.8 375.5,44.2 375.3,1.0 339.1,1.0 334.7,40.8 122.4,122.5 81.1,345.7 49.3,1661.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0385/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1552.0,391.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.903424,42.942776]}},{"type":"Feature","properties":{"resourceCoords":[1182.0,1708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.903173,42.94031]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0386/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p386","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0386/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0386","type":"ImageService3","width":1673,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"146.8,938.6 108.2,944.5 139.5,387.1 530.5,328.0 946.7,263.5 1362.5,193.5 1362.3,782.2 1361.5,1691.2 1361.5,1720.6 310.3,1720.7 129.5,1719.8 146.8,938.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0386/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[327.0,1269.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.902227,42.941429]}},{"type":"Feature","properties":{"resourceCoords":[523.0,1720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.901391,42.940802]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0387/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p387","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0387/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0387","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"276.0,769.0 283.4,1345.6 290.1,1876.3 1668.0,1791.7 1668.0,1.0 1660.9,1.0 1660.0,9.0 1631.0,10.0 1629.2,1.0 667.9,1.0 294.9,174.7 269.7,172.9 270.4,249.6 276.0,769.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0387/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[718.0,1245.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8993639,42.9433381]}},{"type":"Feature","properties":{"resourceCoords":[276.0,769.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9008014,42.9438759]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0389/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p389","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.68"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0389/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0389","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,321.4 1.0,450.0 20.0,450.0 21.0,456.0 26.0,457.0 25.0,474.0 1.0,474.9 1.0,496.1 21.0,497.0 21.0,515.0 14.0,516.0 13.0,532.0 1.0,533.9 1.0,555.0 21.0,555.0 25.0,565.0 25.0,581.0 12.0,583.0 11.0,598.0 1.0,598.9 1.0,603.1 26.0,606.0 25.0,631.0 1.0,631.0 1.0,930.7 728.5,1930.5 735.6,1930.7 742.0,1916.9 874.4,1630.4 1324.8,606.0 1443.5,336.0 1452.2,316.1 1668.0,380.9 1668.0,349.0 1668.0,322.6 1456.2,306.5 1559.5,66.2 1063.7,104.3 569.0,149.3 101.3,131.0 89.8,130.7 1.0,321.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0389/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.894917591103,42.94544322929417]}},{"type":"Feature","properties":{"resourceCoords":[1669.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89097343645889,42.94634021333236]}},{"type":"Feature","properties":{"resourceCoords":[1669.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.88955253349602,42.94294485797267]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89349668814012,42.94204787393447]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0390__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p390 [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":"3024.0"},{"label":"split_canvas_w","value":"6672.0"},{"label":"split_canvas_h","value":"4772.0"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0390__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0390","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"849.5,1077.0 579.1,1200.5 493.8,1232.2 386.0,1245.6 195.6,1255.7 1.0,1455.4 1.0,1801.0 300.2,1896.7 300.4,1874.4 573.0,1882.4 573.1,1873.2 1046.9,1873.9 1047.0,1870.5 1588.4,1863.3 1572.8,768.5 1564.7,768.4 1546.3,768.5 1475.4,799.0 1296.0,876.2 849.5,1077.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0390__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[386.0,1245.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.887526,42.946739]}},{"type":"Feature","properties":{"resourceCoords":[1052.0,985.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.885888,42.947206]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0391/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p391","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0391/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0391","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.8,172.6 1305.8,170.8 1178.8,170.4 1178.8,108.2 656.5,111.5 418.6,35.3 1.0,97.0 1.0,280.7 3.7,279.6 74.5,249.8 100.8,239.9 93.5,249.7 100.8,249.8 110.1,1701.4 1430.8,1804.0 1631.6,172.7 1612.8,172.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0391/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[611.0,171.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.883347,42.947746]}},{"type":"Feature","properties":{"resourceCoords":[1394.0,171.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.881411,42.947756]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0392/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p392","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0392/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0392","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1488.8,1421.4 1475.0,1494.9 1266.3,1796.1 1272.7,1664.2 106.0,1593.5 293.8,162.8 316.9,163.2 662.4,168.6 1032.7,169.2 1342.1,173.3 1341.4,189.8 1511.0,150.5 1519.0,594.5 1458.7,1157.3 1531.7,1232.6 1535.2,1421.2 1533.5,1421.3 1488.8,1421.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0392/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[75.0,162.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.88136713845508,42.947751470299345]}},{"type":"Feature","properties":{"resourceCoords":[1316.0,162.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.87828372943144,42.947785414501105]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0393/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p393","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0393/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0393","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"142.8,1780.5 28.4,1700.2 101.5,1901.8 128.3,1891.7 134.0,1843.0 1527.2,1843.0 1528.5,1327.3 1572.9,1327.2 1488.7,286.6 1500.4,287.6 1483.8,1.0 366.1,1.0 363.6,21.9 342.2,197.4 327.4,319.3 189.6,1447.8 142.8,1780.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0393/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[986.0,1843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8897035,42.942374]}},{"type":"Feature","properties":{"resourceCoords":[134.0,1843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.891792,42.9423629]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0394/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p394","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0394/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0394","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.2,295.7 44.6,294.7 119.9,1322.2 76.0,1322.0 70.8,1830.8 977.0,1837.8 1495.4,1841.8 1510.7,1841.9 1552.2,1331.0 1537.8,1330.9 1612.8,428.9 1629.0,430.2 1629.6,70.1 1093.6,68.8 1093.5,72.2 624.6,64.1 624.3,73.2 354.6,61.1 354.1,83.2 257.4,50.5 153.5,15.5 110.5,1.0 41.3,1.0 56.2,295.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0394/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1007.0,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8860516,42.9423935]}},{"type":"Feature","properties":{"resourceCoords":[76.0,1322.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.888383,42.9433064]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0395/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p395","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0395/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0395","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"150.4,1187.7 135.9,1187.7 203.2,281.8 1468.0,378.6 1600.0,1700.3 1597.2,1698.8 704.5,1700.0 113.3,1700.8 150.4,1187.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0395/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[744.0,1700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8832396,42.9424084]}},{"type":"Feature","properties":{"resourceCoords":[744.0,1186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8832472,42.9433396]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0396/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p396","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.65"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0396/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0396","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1363.5,1838.8 1538.7,1827.9 1548.1,408.3 1631.8,379.7 1649.1,252.3 1645.1,16.0 1644.0,16.0 1643.0,1.0 1597.2,1.0 1583.1,74.5 1369.7,379.0 1376.5,245.4 186.7,171.1 160.8,364.3 88.8,358.0 207.8,1692.6 238.1,1708.2 350.7,1790.2 1298.5,1808.5 1363.5,1838.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0396/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.88169857486417,42.9454502430521]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.8776354795839,42.94550193124963]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.87755355221984,42.94200206862442]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.88161664750011,42.94195038042689]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0398__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p398 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.60"},{"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":"6092.0"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0398__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0398","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"476.2,1519.1 475.8,1488.7 1522.5,1227.2 1544.7,1194.5 1540.1,307.1 1186.8,13.1 1034.6,59.7 1067.0,104.4 108.1,50.6 13.7,415.2 44.3,1454.3 92.9,1521.3 476.2,1519.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0398__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1544.0,1154.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9022476631917,42.934566778343296]}},{"type":"Feature","properties":{"resourceCoords":[1544.0,128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90310712406456,42.93626360651515]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0399/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p399","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0399/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0399","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1587.8,1879.3 1177.9,1857.3 1177.9,1869.2 825.1,1861.9 825.1,1856.6 406.6,1855.4 406.6,1859.0 54.8,1858.0 20.2,944.0 80.0,945.0 81.0,893.0 28.0,891.0 27.0,884.0 17.9,883.3 15.6,822.5 40.1,122.1 406.9,176.1 824.0,176.0 1211.8,180.6 1549.3,180.9 1583.8,1188.0 1589.0,1224.7 1587.8,1879.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0399/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[824.0,176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9039877,42.940095]}},{"type":"Feature","properties":{"resourceCoords":[1589.0,1188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.901349,42.938872]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0400/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p400","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0400/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0400","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1327.0,1693.2 1321.3,1764.3 1297.6,1825.6 1289.7,1841.6 888.3,1842.2 503.4,1834.0 138.8,1817.3 141.7,1218.1 136.6,1181.5 105.2,177.8 294.4,178.4 1330.0,177.0 1332.1,242.2 1332.7,692.1 1329.9,1434.8 1327.0,1693.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0400/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[311.0,1182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9009577,42.9389796]}},{"type":"Feature","properties":{"resourceCoords":[1330.0,177.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.899483,42.941332]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0401/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p401","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0401/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0401","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1500.7,1839.3 80.5,1893.7 82.0,1757.2 85.0,1006.9 84.5,552.4 82.4,486.5 82.3,457.2 82.3,91.9 1585.4,18.2 1589.3,1497.7 1502.0,1497.0 1502.0,1588.8 1500.7,1839.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0401/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1502.0,1497.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8953616,42.9405411]}},{"type":"Feature","properties":{"resourceCoords":[83.0,1497.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8986059,42.939641]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0402/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p402","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0402/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0402","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1453.7,1683.9 1448.7,1644.9 1436.6,1581.5 1609.6,1254.2 1655.5,1166.7 1639.0,1166.0 1635.0,1160.0 1636.0,1138.0 1664.0,1137.0 1664.0,881.6 1099.7,1.0 1.0,1.0 1.0,35.1 83.0,30.5 97.3,1494.0 10.9,1494.0 11.6,1584.8 12.1,1841.4 418.1,1856.0 418.1,1844.2 843.8,1820.1 843.8,1827.6 1310.9,1822.7 1383.2,1687.2 1453.7,1683.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0402/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[845.0,1494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8934288,42.9410658]}},{"type":"Feature","properties":{"resourceCoords":[1485.0,1494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8919457,42.9414684]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0403/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p403","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0403/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0403","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.8,462.2 44.9,141.9 398.3,142.1 398.2,138.5 818.6,138.7 818.7,144.0 1173.1,150.6 1173.0,138.6 1584.8,159.7 1584.9,173.3 1587.1,574.2 1566.6,574.3 1564.3,1619.0 1449.5,1619.0 823.2,1619.0 403.6,1625.5 400.4,753.1 53.5,463.5 57.8,462.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0403/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[823.0,579.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9021444,42.9365225]}},{"type":"Feature","properties":{"resourceCoords":[1178.0,1618.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90044,42.934998]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0404/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p404","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0404/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0404","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"144.6,1628.7 153.4,576.0 174.1,576.0 174.3,172.1 174.7,104.4 545.0,121.7 935.8,130.4 1343.4,130.1 1265.3,285.9 1372.0,1681.0 1471.0,1694.0 1627.8,1686.7 1534.1,1873.6 1481.7,1847.6 1381.4,1948.0 1340.6,1948.0 1338.5,1948.0 1201.5,1894.9 1175.1,1948.0 1023.0,1948.0 1021.7,1825.1 383.5,1577.6 255.1,1578.9 224.1,1602.6 149.8,1628.7 144.6,1628.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0404/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[543.0,576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8995548,42.9372426]}},{"type":"Feature","properties":{"resourceCoords":[932.0,576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8986702,42.9374885]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0405/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p405","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0405/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0405","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1621.4,1937.2 1613.3,1898.0 389.5,1916.9 235.8,1920.1 139.2,1904.9 63.1,543.5 151.0,378.0 175.8,318.0 183.1,247.8 187.2,125.8 1585.8,109.2 1582.2,244.5 1567.0,818.0 1567.2,867.7 1537.5,1881.1 1645.8,1877.1 1621.4,1937.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0405/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89881575386917,42.93905974186661]}},{"type":"Feature","properties":{"resourceCoords":[1669.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89497888297527,42.94020975335424]}},{"type":"Feature","properties":{"resourceCoords":[1669.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89315734092804,42.93690642938395]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.89699421182195,42.93575641789632]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0406/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p406","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0406/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0406","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"103.0,116.1 508.9,147.3 509.4,135.5 936.5,128.9 936.2,136.4 1404.1,150.7 1482.0,18.0 1552.8,17.6 1556.8,64.0 1606.7,1805.6 1532.8,1810.3 221.9,1894.7 32.5,1900.2 75.0,874.8 75.5,824.5 98.0,244.2 103.0,116.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0406/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[72.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8934866838417,42.937052202903686]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.88997992553573,42.93812575126019]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0407/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p407","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0407/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0407","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"511.2,1293.6 153.7,487.4 133.8,448.7 117.1,420.6 143.0,234.7 149.8,185.0 135.5,174.7 148.7,169.3 104.5,47.6 105.3,48.2 142.1,149.6 155.5,144.5 158.4,120.0 859.1,120.0 1321.0,120.0 1321.1,134.3 1395.5,292.0 1547.0,795.3 1506.3,814.7 1456.5,1526.1 1442.5,1526.4 1434.9,1549.0 1432.8,1549.1 1417.5,1610.6 1423.8,1610.4 1359.5,1662.3 1305.6,1655.7 1092.9,1786.5 832.0,1788.4 824.0,1856.4 819.1,1857.3 794.7,1805.1 695.1,1603.8 541.3,1279.0 518.4,1290.1 511.2,1293.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0407/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[854.0,120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.888402,42.942381]}},{"type":"Feature","properties":{"resourceCoords":[1321.0,120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8861261,42.9423931]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0408/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p408","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0408/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0408","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.7,1600.2 121.4,1600.4 136.7,1539.7 138.7,1539.6 146.3,1517.3 160.1,1517.0 210.4,814.3 250.6,795.2 101.7,297.8 28.4,141.9 28.4,127.8 289.4,128.2 593.7,128.6 1041.5,129.3 1057.9,137.6 1113.8,177.9 1582.0,183.0 1614.2,197.8 1607.2,198.2 1593.2,1371.0 1624.6,1625.3 1596.9,1800.7 1626.8,1804.7 1626.2,1864.4 1144.2,1886.3 674.1,1826.2 576.8,1844.0 561.6,1877.5 132.2,1866.2 107.8,1656.8 64.0,1651.4 127.7,1600.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0408/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[611.0,379.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.883241,42.9415042]}},{"type":"Feature","properties":{"resourceCoords":[1106.0,1056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8807698,42.939075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0409/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p409","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0409/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0409","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1088.1,1865.2 991.1,1882.8 695.8,1846.6 405.3,1873.2 217.3,1821.9 260.5,1631.1 270.4,1630.4 275.9,458.0 215.1,432.1 217.1,368.6 276.3,369.5 276.5,314.5 277.0,204.4 277.2,154.1 635.7,157.1 1076.5,158.2 1312.9,161.3 1258.0,359.9 1494.8,471.1 1380.9,723.4 1286.2,931.2 1209.5,1104.2 1272.9,1133.5 1025.9,1800.6 1083.7,1829.3 1099.9,1874.0 1088.1,1865.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0409/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1084.0,163.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90403411026496,42.958396432079006]}},{"type":"Feature","properties":{"resourceCoords":[1073.0,1042.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90714668708915,42.95614173536697]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0410/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p410","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0410/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0410","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.5,682.5 113.7,568.6 117.8,106.6 96.3,106.5 88.8,83.1 355.1,54.3 1078.2,83.2 1216.6,46.4 1567.3,111.3 1545.5,276.1 1401.3,424.5 1398.4,501.6 1507.0,637.6 1544.2,637.7 1561.9,879.7 1513.8,959.3 1587.3,1220.1 1560.5,1278.5 1615.5,1526.0 1609.8,1632.3 1577.7,1674.8 1609.0,1828.6 1361.7,1873.5 1327.2,1907.8 887.4,1820.4 885.0,1823.3 882.1,1831.4 703.9,1818.6 715.4,1807.9 174.8,1879.8 173.7,1873.9 160.8,1803.8 156.3,1779.5 150.1,1745.4 108.8,1519.4 112.1,1125.5 114.5,682.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0410/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[356.0,1415.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.896798,42.961239]}},{"type":"Feature","properties":{"resourceCoords":[360.0,682.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.899333,42.963102]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0411__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p411 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"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":"6716.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0411__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0411","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1512.3,1528.8 1624.0,1078.7 1475.6,1080.6 1461.3,406.8 1459.7,225.9 1457.2,188.9 1019.4,193.7 906.8,196.4 450.1,199.9 450.4,221.2 427.3,229.0 429.9,249.7 372.9,313.6 400.8,434.1 354.9,928.9 423.8,1167.2 423.4,1332.8 386.0,1371.2 473.2,1632.6 472.6,1593.5 471.8,1542.9 832.0,1538.4 1274.8,1530.5 1512.3,1528.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0411__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1034.0,637.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90170293448165,42.96131582663121]}},{"type":"Feature","properties":{"resourceCoords":[462.0,190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90209385914908,42.96393432988643]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0412/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p412","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0412/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0412","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"973.3,1511.7 578.9,1585.0 531.2,1597.5 485.6,1634.5 477.9,1646.8 417.9,1776.2 380.5,1855.4 141.2,1744.8 195.2,1544.5 313.5,1095.0 164.7,1094.8 159.8,419.1 160.8,237.8 158.8,200.7 549.1,202.9 773.0,161.4 830.8,150.7 900.3,137.7 990.1,121.2 1111.5,100.6 1118.0,129.3 1148.5,296.2 1228.7,714.5 1245.0,711.4 1424.2,1672.8 1407.8,1676.0 1380.2,1520.1 1364.5,1440.4 1346.1,1443.8 973.3,1511.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0412/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[306.0,1100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90127480318742,42.95867019365391]}},{"type":"Feature","properties":{"resourceCoords":[901.0,143.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89584791221738,42.9595995726697]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0413/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p413","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0413/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0413","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1341.7,676.9 1542.3,1170.3 1589.9,1154.3 1630.4,1231.5 1660.0,1287.8 722.8,1928.1 719.0,1928.0 664.5,1929.2 665.3,1789.8 273.5,1788.5 256.2,1788.4 257.7,1356.1 259.8,1183.9 258.9,1154.0 133.9,1150.9 47.2,1149.9 79.1,602.2 87.5,615.6 134.0,442.0 126.6,437.6 124.2,434.7 294.1,16.9 332.3,73.7 509.5,59.4 676.6,138.5 786.6,92.0 1132.8,91.8 1190.7,144.0 1236.8,117.6 1344.9,149.8 1486.2,332.9 1588.8,268.5 1591.2,277.2 1584.2,282.1 1313.7,622.6 1341.7,676.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0413/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1323.0,641.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8892658,42.9585714]}},{"type":"Feature","properties":{"resourceCoords":[257.0,1560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.896074,42.957972]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0414/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p414","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.65"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0414/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0414","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1427.7,1503.5 1427.3,1755.4 1393.8,1760.0 1393.9,1749.8 632.6,1846.7 631.9,1929.6 529.5,1948.0 428.1,1948.0 325.6,1948.0 136.8,1752.0 178.3,1062.9 190.2,1040.3 204.0,1047.8 506.5,433.1 485.2,435.9 529.8,344.8 193.3,383.9 203.2,365.2 209.9,352.3 1431.7,205.9 1431.8,223.6 1426.0,240.5 1409.9,1330.2 1428.1,1327.5 1427.7,1503.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0414/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1431.0,709.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.889932,42.95424]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,506.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.889824,42.954945]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0415/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p415","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0415/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0415","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"324.6,1934.0 342.4,1933.7 352.8,1854.1 681.1,1881.0 681.1,1885.5 921.5,1878.2 921.6,1892.5 1132.0,1889.4 1132.1,1887.5 1306.3,1918.2 1306.2,1886.9 1386.7,1885.7 1386.0,1948.0 1400.4,1948.0 1407.0,696.2 1400.5,697.3 1387.0,699.5 1388.4,519.1 1424.6,519.4 1501.7,218.5 1571.7,219.3 1566.2,101.3 1003.2,47.6 997.6,1.0 985.7,1.0 577.9,123.5 570.0,183.2 454.6,696.2 502.1,710.1 491.5,795.4 481.6,874.8 474.0,890.3 324.6,1934.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0415/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[915.0,341.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.887573,42.957878]}},{"type":"Feature","properties":{"resourceCoords":[918.0,1152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.887495,42.954949]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0416/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p416","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.35"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0416/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0416","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"215.9,472.6 223.4,1708.2 209.2,1708.3 209.2,1646.9 129.8,1648.9 130.4,1696.9 209.2,1881.5 209.2,1910.0 224.7,1909.9 230.8,1909.9 232.2,1895.7 368.4,1925.8 1617.7,1912.9 1616.4,1438.3 1580.0,1439.0 1580.0,1390.0 1616.2,1387.9 1613.4,397.8 1570.6,69.5 1364.4,28.1 840.9,81.0 376.6,60.5 373.2,1.0 303.7,1.0 231.3,297.9 195.5,297.9 196.2,476.1 215.9,472.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0416/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[556.0,297.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8834207,42.9572711]}},{"type":"Feature","properties":{"resourceCoords":[556.0,1909.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.883385,42.951372]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0417/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p417","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0417/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0417","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1469.1,1463.9 1248.1,1561.7 1114.3,1621.8 1072.1,1637.2 1018.8,1643.5 924.8,1647.8 827.7,1746.4 826.6,1916.5 874.1,1932.0 851.1,1924.5 818.1,1924.8 818.3,1928.8 750.0,1927.0 597.0,1930.0 595.8,1931.0 588.0,1931.1 546.0,1931.0 538.0,1931.2 381.0,1931.4 380.5,1931.4 372.1,1903.5 269.1,1926.5 283.7,1796.5 300.0,1633.0 415.6,579.5 426.6,579.3 455.1,339.6 484.8,93.2 810.3,116.5 810.4,121.0 1048.5,111.3 1048.7,125.5 1257.1,120.3 1257.1,118.4 1430.0,147.0 1430.2,164.2 1509.1,349.6 1509.0,378.1 1530.8,378.1 1488.9,818.6 1500.8,1344.0 1555.9,1335.8 1556.0,1427.1 1469.1,1463.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0417/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1470.0,794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.885302,42.9498456]}},{"type":"Feature","properties":{"resourceCoords":[401.0,794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8906274,42.9498239]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0419/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p419","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0419/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0419","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1230.8,919.7 944.8,1074.9 890.5,1154.7 766.2,1338.8 761.3,1362.7 587.0,1244.0 568.6,1281.2 166.7,968.4 173.6,956.7 101.3,906.3 208.1,748.2 338.8,558.9 496.4,328.8 547.8,257.7 612.7,166.2 630.3,141.4 640.1,130.6 691.8,102.6 740.9,99.0 1142.2,98.8 1306.7,99.3 1521.3,99.9 1540.0,100.0 1540.9,181.2 1539.6,339.6 1540.9,720.1 1539.7,732.7 1538.3,747.7 1541.3,922.7 1541.6,933.7 1517.0,917.6 1387.5,919.5 1230.8,919.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0419/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[587.0,1244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.905845,42.953629]}},{"type":"Feature","properties":{"resourceCoords":[1540.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.89876,42.955091]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0420/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p420","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0420/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0420","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1430.2,1923.8 1401.7,1924.2 1225.4,1590.4 1088.4,1475.9 868.5,1797.6 483.9,1530.8 661.5,1271.5 750.4,1137.5 751.7,965.2 750.2,757.2 750.0,362.0 762.5,362.1 779.4,167.2 785.9,167.2 928.0,167.4 927.4,149.5 926.0,108.1 1169.2,187.5 1169.2,156.6 1185.7,192.8 1435.8,274.4 1609.7,182.0 1664.0,139.3 1664.0,563.0 1553.8,555.6 1555.2,585.0 1664.0,594.8 1664.0,755.3 1565.5,808.7 1550.9,816.7 1553.2,901.3 1571.4,935.0 1664.0,1105.6 1664.0,1413.5 1631.2,1389.6 1664.0,1449.9 1664.0,1487.0 1583.0,1493.0 1581.0,1531.0 1583.0,1546.0 1647.0,1541.0 1647.0,1558.0 1664.0,1561.0 1664.0,1596.8 1502.8,1822.3 1430.2,1923.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0420/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[750.0,558.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.899424,42.950922]}},{"type":"Feature","properties":{"resourceCoords":[750.0,362.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.898877,42.951507]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0421__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p421 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1246.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5469.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0421__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0421","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"413.1,1544.3 407.6,1566.4 547.3,1745.8 544.7,1755.0 580.3,1751.8 825.8,1721.8 826.4,1727.9 1453.2,1671.5 1454.2,1641.8 1463.0,1394.7 1473.3,1204.2 1479.6,992.5 1438.2,997.1 1481.8,529.9 1485.7,487.7 1499.3,487.2 1500.0,469.4 780.7,496.1 777.4,543.1 776.2,561.3 740.7,593.7 709.4,719.1 574.4,999.5 437.4,1543.4 413.1,1544.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0421__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[826.4,1722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90740474639709,42.950291108701286]}},{"type":"Feature","properties":{"resourceCoords":[1483.1,591.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90660047597342,42.95496546380776]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0422/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p422","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0422/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0422","type":"ImageService3","width":1664,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"407.0,1879.9 408.5,1897.5 409.5,1910.3 412.4,1948.0 391.9,1948.0 385.2,1909.8 152.5,1830.6 127.1,1796.6 149.1,1702.4 90.5,1620.8 67.2,1452.5 93.2,1174.4 70.5,582.2 94.2,368.9 125.5,338.9 200.2,347.9 248.0,145.1 336.1,76.7 381.1,68.8 378.6,91.3 539.9,249.3 538.5,258.8 573.2,250.9 810.9,188.8 812.3,194.8 855.9,184.8 826.5,659.3 811.5,673.6 803.1,846.5 800.6,892.1 902.0,790.5 1095.5,760.6 1114.0,797.0 1466.6,527.4 1465.7,517.2 1464.4,503.6 1465.3,493.5 1495.1,492.3 1530.4,488.2 1486.6,525.7 1467.9,541.7 1499.2,871.5 1544.3,1335.9 1568.2,1586.3 829.6,1767.7 832.7,1779.3 406.8,1872.8 407.0,1879.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0422/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1118.0,1426.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90431986742097,42.94625622597798]}},{"type":"Feature","properties":{"resourceCoords":[473.0,836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90817575174444,42.94770257589413]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0424/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p424","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0424/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0424","type":"ImageService3","width":1634,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"176.7,1186.7 333.4,238.8 1498.2,97.1 1498.2,290.9 1498.2,329.2 1498.2,372.6 1498.2,373.8 1498.2,429.0 1498.2,465.2 1497.9,490.2 1496.6,586.3 1494.8,716.8 1518.3,718.8 1517.5,765.0 1494.2,765.8 1492.8,871.2 1491.1,1032.7 1490.8,1053.5 726.4,1522.8 696.5,1446.0 301.4,1466.2 76.7,1649.5 90.9,1558.4 111.9,1420.2 143.5,1212.4 176.7,1186.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0424/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[705.0,982.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90569025758447,42.94934484595236]}},{"type":"Feature","properties":{"resourceCoords":[1488.0,877.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90399273553649,42.95002814951264]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0425/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p425","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0425/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0425","type":"ImageService3","width":1648,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"39.8,1410.3 40.1,1319.3 40.4,1274.8 40.5,1236.8 41.3,984.2 45.0,489.9 55.1,108.8 100.5,90.1 491.6,89.1 546.4,89.0 740.2,89.2 1320.6,389.2 1448.6,577.4 1497.8,649.5 1647.0,862.5 1647.0,922.1 1641.2,926.3 1002.4,1359.5 256.6,1869.4 166.5,1931.3 95.0,1932.0 35.0,1928.0 31.1,1948.0 33.0,1814.7 34.8,1709.7 58.0,1709.0 59.0,1663.0 35.6,1660.9 37.8,1530.9 39.8,1410.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0425/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[56.0,499.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90511458221216,42.952263937567054]}},{"type":"Feature","properties":{"resourceCoords":[56.0,97.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90547523791265,42.952938540469866]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0426/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p426","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0426/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0426","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"261.4,1392.9 261.3,1342.9 260.9,1115.4 261.3,203.4 1356.2,213.2 1358.2,634.6 1354.6,983.7 1174.0,1254.9 812.8,1779.3 261.4,1392.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0426/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1323.0,1007.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90113537555871,42.94918902059913]}},{"type":"Feature","properties":{"resourceCoords":[261.0,237.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90221949073083,42.951391948673795]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0427/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p427","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0427/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0427","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"290.3,1585.8 271.1,805.5 269.5,774.8 254.4,419.7 256.5,389.3 1080.0,371.0 1414.3,365.4 1390.5,761.9 1365.1,762.3 1386.7,1564.0 290.3,1585.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0427/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[279.0,1155.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.90158,42.952075]}},{"type":"Feature","properties":{"resourceCoords":[1080.0,371.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.8988807,42.9523698]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0430/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Buffalo, New-York | 1950 | sanborn05793_027 p430","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"25"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T02:43:16Z","modified":"2026-10-18T02:43:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0430/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0430","type":"ImageService3","width":1650,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1311.1,1837.8 450.8,1876.7 110.0,1833.5 118.3,1689.3 218.3,1590.0 181.8,1532.2 242.1,1524.5 336.9,1425.2 224.5,1301.5 271.9,1223.0 280.2,1115.5 170.4,1005.0 115.2,1028.4 110.2,944.5 165.6,852.9 207.5,868.8 302.2,774.7 266.2,559.5 318.6,575.5 460.7,439.6 477.1,235.1 382.9,140.3 580.0,49.3 1390.2,96.8 1449.5,37.8 1532.1,300.1 1532.1,371.4 1532.1,426.5 1472.8,425.8 1471.0,489.6 1532.0,515.2 1531.3,1690.7 1521.3,1691.4 1478.8,1882.9 1311.1,1837.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804bm:g3804bm_g05793195004:05793_04_1950-0430/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[888.0,1212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.912644,42.959551]}},{"type":"Feature","properties":{"resourceCoords":[639.0,232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.9100902,42.9627177]}}]}}]}