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Alcatraz Island Lighthouse

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where the light house is located. Northwestern and southeastern tips of the island have small buildings which housed the fog signals (the electric horns were installed in small buildings known as "mid twentieth century foghorn shacks".). The white light is shown by a grey tower flashes white that lasts for 0.5 seconds and eclipses' for 4.5 seconds and forming with the Fort Point light House a range for crossing the bar for the main ship. Fog signals are electric sirens, one on the southeast end sounding two blasts of 4 seconds duration, every 30 seconds while the one on the northwest end gives a single blast every 20 seconds of 5 seconds duration.
2310: 195: 41: 625: 637: 502: 649: 730: 533: 375: 447: 513:" lighthouses, in which the light tower was an integral part of the keeper's house, and was centered atop the dwelling's roof. Construction of the foundation started in 1852, and the one-and-a-half-storied keeper's house and light were completed in 1853. The lens arrived in October 1853 and Michael Cassin lit it on June 1, 1854, thus setting a "milestone" of sorts for this lighthouse, as the first lighthouse on the 1950: 716: 51: 685: 661: 673: 1938: 2317: 1142: 697: 495: 482:. In 1970 a fire destroyed the warden's house, the keepers' quarters and other buildings on the island. The only remaining building is the tall cement tower equipped with a modern beacon. The lighthouse has been a museum since 2000 and can be visited. In over 50 years, the lighthouse has not been seriously damaged despite many prison escapes, the 462:'s control, decided to install Fresnel lenses in all lighthouses considering its established better performance, even though the cost was high. The Baltimore firm was informed of this change before the equipment was shipped. The shipping involved a long sea voyage of 12,000 miles (19,000 km) from the East Coast going round the cape of 383: 521:
installed in 1854, and was replaced by a fourth order reflector in 1903. The foghorn bell was replaced by electronic Klaxon. Near the base of the tower was family accommodation also built to house three keepers and their families. Similar "Cape-cod style" lighthouses, encircling the thick light brick tower, were built at Point Loma in
517:. The old lighthouse was damaged in the earthquake which occurred on Wednesday the April 18, 1906. A new lighthouse was built to the south east of the old one. The old lighthouse existed alongside the new structure for a while and used as a storehouse, but was eventually demolished between 1912 and 1913. 553:
The leading marks which guide the ships while entering the island are the lime point which is 2.5 miles (4.0 km) east and the black point which is lime 1 mile (1.6 km) north. The island itself is interspersed with several buildings and military towers. The highest point of the island is
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and the inherent risk of the choppy waters of the west coast prompted the urgent need for establishing lighthouses. Congress recognized the need and passed suitable acts in the years 1851 and 1852 to build seven lighthouses on the West Coast to guide navigation. The Baltimore firm of Gibbons and
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The three lighthouse keepers, known as "wickies", were dressed in prescribed formal uniforms which consisted of a "navy blue hat, sack coat, vest and trousers". Decorative buttons and insignia patches adorned their uniforms. The keepers worked on an eight-hour shift with the beacon lighted all
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The lighthouse was operated and maintained by the keepers whose responsibility included operation of fog signals found located on the northern and southern tips of the island. The prison guards facilitated the keepers to blow the fog horns as they were in advantageous position stationed on the
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The existing lighthouse is built to a height of 84 feet (26 m), 214 feet (65 m) above sea level, to the south of the original lighthouse. Its foundation is made of masonry while the octagonal pyramidal shaped tower is made of concrete. Initially, a third order Fresnel reflector was
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In 1909–12, the present cell house of Alcatraz was built. Since the new structure would interfere with the operation of the lighthouse, a taller 25.6 metres (84 ft), concrete tower was built south of the original lighthouse. The original lighthouse had been damaged during the great
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There was also a telephone installed, in the 1930, in the keepers quarters (moved to the hall later) known to and accessed only by the keepers. When the Federal Penitentiary was established on the island more telephones were installed and was made accessible to others also.
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surveyed the harbor and the San Francisco Bay. Since he observed pelicans in large numbers on the island he named the island as "Isla de los Alcatraces" meaning the "Island of Pelicans". The island is separated from the main land by more than 1 mile (1.6 km).
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and military prison. It was replaced by a taller (95 feet (29 m) above mean sea level) concrete tower built in 1909 to the south of the original one which was demolished after it was damaged due to
439:. Equipment were shipped on Oriole, reached San Francisco on January 29, 1853. The Alcatraz Lighthouse was the first to be completed in July 1853, making it the oldest major navigational light on the 545:
elevated watch towers; the guards who were in position to see "a bank of fog started to roll through the Golden Gate", would inform notify the keepers so that the fog horns could be activated.
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of the San Francisco area are stated to be the original settlers on the island (they collected eggs from the large flock of birds that regularly gathered there), Alcatraz got its name during
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In the original order placed for supply of the equipment Argand lamps and parabolic reflectors had been specified as the Fresnel lens, created by
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Frederick Arthur Harrington (1919–1938) was the keeper of both the light houses and remained as keeper till his death in 1938.
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The first lighthouse was 50 feet (15 m) in height, and was based on a design that was typical of early "
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in Alaska and replaced by a revolving fourth-order Fresnel lens, producing a white flash every five seconds.
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of France in 1822 was considered very costly at that time. However, the Lighthouse Board which replaced the
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and also on the Southeast Farallon Island about 30 miles (48 km) west of the San Francisco Strait.
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Kelly was awarded the contract to build seven lighthouses in California, at Alcatraz Island,
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U.S. Geological Survey Geographic Names Information System: Alcatraz Island Lighthouse
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through the year; during day time the lens was covered and protected from sun rays.
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and was eventually torn down. In 1963, the Alcatraz Lighthouse was automated by the
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United States coast pilot: Pacific Coast. California, Oregon, and Washington
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Lighthouses on the National Register of Historic Places in California
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National Register of Historic Places in the San Francisco Bay Area
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National Register of Historic Places contributing property 
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California Historic Light Station Information & Photography
1092:. United States Coast Guard Historian's Office. Archived from 817: 893: 366:, but as it lies on higher ground it looks much taller. 354:
in 1906. The automation of the lighthouse with a modern
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Historic district contributing properties in California
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The Lighthouse Encyclopedia: The Definitive Reference
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took place in 1963, the year Alcatraz closed as the
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History of the National Register of Historic Places
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Alcatraz Lighthouse, 1909, U.S. Coast Guard Archive
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McFarland (1875–1878, 1882–1888) 1986: 1972: 1964: 1664: 1650: 1642: 1363: 1247:Former Military Chapel (Bachelor Quarters) 1123: 1109: 1101: 243:22 nautical miles (41 km; 25 mi) 193: 49: 34: 1687:List of lighthouses in the United States 1053:Survey, U.S. Coast and Geodetic (1817). 857:United States Department of the Interior 744:List of lighthouses in the United States 398:in 1775 when naval officer and explorer 987: 985: 755: 620: 612:Norman Fornachon (at least 1962 – 1963) 837: 835: 235:(removed), DCB-24 aerobeacon (current) 1484:("The Dean of American Bank Robbers") 600:James Anderson (1909 – at least 1912) 7: 1995:National Register of Historic Places 929:. Taylor & Francis. p. 34. 810:National Register of Historic Places 183:Golden Gate National Recreation Area 848:Geographic Names Information System 1201:Alcatraz Island in popular culture 1026:Champion Jr., Jerry Lewis (2012). 606:Harry Davis (1938 – at least 1940) 25: 2457:1854 establishments in California 1349:June 1962 Alcatraz escape attempt 961:. Globe Pequot. pp. 34, 87. 609:Edward H. Schneider (1950 – 1959) 576:Underwhill Van Wagner (1856–1862) 329:β€”the first one built on the U.S. 2462:Lighthouse museums in California 2315: 2308: 1948: 1936: 1140: 926:Encyclopedia of American Prisons 728: 714: 695: 683: 671: 659: 647: 635: 623: 476:San Francisco earthquake of 1906 39: 2363:California Historical Landmarks 853:United States Geological Survey 630:Hopi inmates and original light 1180:June 1962 escape from Alcatraz 175:Unpainted tower, black lantern 1: 2427:Lighthouses completed in 1854 1170:Alcatraz Federal Penitentiary 594:Benjamin F. Leeds (1888–1905) 536:Coastguard building blueprint 460:Fifth Auditor of the Treasury 360:Alcatraz Federal Penitentiary 2432:Lighthouses in San Francisco 1032:. AuthorHouse. p. 188. 843:"Alcatraz Island Lighthouse" 585:William W. Scott (1874–1875) 2368:National Historic Landmarks 642:Original lighthouse, c.1894 75:, California, United States 2478: 2373:National Natural Landmarks 702:Sunrise view of Lighthouse 597:Henry W. Young (1905–1909) 582:Amasa Bushnell (1872–1874) 570:Michael Cassin (1853–1855) 323:Alcatraz Island Lighthouse 271:Alcatraz Island Lighthouse 55:Alcatraz Island Lighthouse 2381: 2306: 1945: 1934: 1693: 1683: 1567:Ellsworth Raymond Johnson 1267:Model Industries Building 1138: 1059:. G.P.O. pp. 90–91. 505:Alcatraz Lighthouse, 2007 480:United States Coast Guard 468:Cape St. Elias Lighthouse 316: 289: 276: 269: 265: 261: 257: 202: 60: 48: 769:The Lighthouse Directory 591:John T. Huie (1878–1882) 579:Hartford Joy (1862–1872) 450:Alcatraz Light at sunset 103:37.826250Β°N 122.422167Β°W 1623:("Birdman of Alcatraz") 1573:Alvin Francis Karpavicz 1262:New Industries Building 2386:Keeper of the Register 1196:Occupation of Alcatraz 573:John Sloan (1855–1856) 537: 506: 498: 451: 387: 379: 279:U.S. Historic district 108:37.826250; -122.422167 2406:Contributing property 1955:California portal 1898:Santa Cruz Breakwater 1596:Rafael Cancel Miranda 1592:("Texas Bank Robber") 1581:("Machine Gun Kelly") 1435:Cecil J. Shuttleworth 997:Alcatraz Island Light 903:lighthousefriends.com 899:"Alcatraz Island, CA" 814:National Park Service 535: 504: 497: 449: 385: 377: 283:Contributing property 36:Alcatraz Island Light 923:Mcshane, M. (1996). 364:Alcatraz Water Tower 223:214 feet (65 m) 1728:East Brother Island 1579:George Kelly Barnes 955:Jones, Ray (2007). 525:, Point Pinos near 433:Cape Disappointment 378:Original lighthouse 159:84 feet (26 m) 143:Reinforced concrete 99: /  45: 18:Alcatraz Lighthouse 2105:Los Angeles County 1758:Los Angeles Harbor 1465:Richard J. Willard 1459:Arthur M. Dollison 1374:James B. McPherson 1344:Battle of Alcatraz 1175:Battle of Alcatraz 1029:Alcatraz Unchained 736:Engineering portal 690:Viewed from inland 666:Viewed from inland 538: 507: 499: 490:Structural details 484:Battle of Alcatraz 452: 388: 380: 309:Designated CP 2414: 2413: 2401:Historic district 1961: 1960: 1903:Southampton Shoal 1639: 1638: 1635: 1634: 1575:("Creepy Karpis") 1453:Olin G. Blackwell 1428:Associate wardens 1418:Olin G. Blackwell 1400:James A. Johnston 1384:William A. Winder 1192: 1163:General McPherson 968:978-0-7627-4578-4 722:California portal 343:San Francisco Bay 320: 319: 73:San Francisco Bay 16:(Redirected from 2469: 2319: 2318: 2312: 2311: 1988: 1981: 1974: 1965: 1953: 1952: 1951: 1940: 1913:Sugar Pine Point 1893:Santa Cruz Light 1838:Point Loma (old) 1833:Point Loma (new) 1813:Point Conception 1723:Carquinez Strait 1666: 1659: 1652: 1643: 1441:Edward J. Miller 1364: 1182: 1144: 1125: 1118: 1111: 1102: 1097: 1071: 1070: 1050: 1044: 1043: 1023: 1008: 1007: 1005: 1003: 989: 980: 979: 977: 975: 952: 941: 940: 920: 914: 913: 911: 909: 895: 868: 867: 865: 863: 839: 830: 829: 827: 825: 820:on July 25, 2008 816:. 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Madigan 1388: 1367:Fort commanders 1355: 1339:Escape attempts 1317: 1308:Recreation Yard 1303:Little Alcatraz 1286: 1205: 1145: 1134: 1132:Alcatraz Island 1129: 1096:on May 1, 2017. 1088: 1080: 1075: 1074: 1067: 1052: 1051: 1047: 1040: 1025: 1024: 1011: 1001: 999: 991: 990: 983: 973: 971: 969: 954: 953: 944: 937: 922: 921: 917: 907: 905: 897: 896: 871: 861: 859: 841: 840: 833: 823: 821: 804: 803: 799: 791: 787: 777: 775: 763:Rowlett, Russ. 762: 761: 757: 752: 734: 727: 720: 715: 713: 710: 703: 700: 691: 688: 679: 676: 667: 664: 655: 652: 643: 640: 631: 628: 619: 560: 551: 549:Navigation aids 492: 425:Farallon Island 372: 335:Alcatraz Island 285: 281: 272: 192: 107: 105: 101: 98: 93: 90: 88: 86: 85: 69:Alcatraz Island 56: 37: 33: 28: 23: 22: 15: 12: 11: 5: 2475: 2473: 2465: 2464: 2459: 2454: 2449: 2444: 2439: 2434: 2429: 2419: 2418: 2412: 2411: 2409: 2408: 2403: 2398: 2396:Property types 2393: 2388: 2382: 2379: 2378: 2376: 2375: 2370: 2365: 2360: 2354: 2352: 2348: 2347: 2345: 2344: 2339: 2334: 2328: 2326: 2322: 2321: 2307: 2305: 2303: 2302: 2297: 2292: 2287: 2282: 2277: 2272: 2267: 2262: 2257: 2252: 2247: 2242: 2237: 2232: 2227: 2222: 2217: 2212: 2207: 2202: 2197: 2192: 2190:San Bernardino 2187: 2182: 2177: 2172: 2167: 2162: 2157: 2152: 2147: 2142: 2137: 2132: 2127: 2122: 2117: 2112: 2107: 2102: 2097: 2092: 2087: 2082: 2077: 2072: 2067: 2062: 2057: 2052: 2047: 2042: 2037: 2032: 2027: 2022: 2017: 2011: 2009: 2003: 2002: 1993: 1991: 1990: 1983: 1976: 1968: 1959: 1958: 1946: 1943: 1942: 1935: 1933: 1931: 1930: 1925: 1920: 1915: 1910: 1905: 1900: 1895: 1890: 1885: 1880: 1875: 1870: 1865: 1860: 1858:Point San Luis 1855: 1850: 1845: 1840: 1835: 1830: 1825: 1820: 1815: 1810: 1808:Point Cabrillo 1805: 1800: 1795: 1793:Point Arguello 1790: 1785: 1780: 1775: 1773:Oakland Harbor 1770: 1765: 1760: 1755: 1750: 1745: 1740: 1735: 1730: 1725: 1720: 1718:Cape Mendocino 1715: 1710: 1705: 1703:Anacapa Island 1700: 1694: 1691: 1690: 1684: 1681: 1680: 1671: 1669: 1668: 1661: 1654: 1646: 1637: 1636: 1633: 1632: 1630: 1629: 1624: 1618: 1613: 1608: 1603: 1598: 1593: 1587: 1582: 1576: 1570: 1564: 1559: 1557:Rufus Franklin 1554: 1551:Herbert Farmer 1548: 1542: 1540:Joseph Cretzer 1537: 1532: 1526: 1520: 1514: 1508: 1502: 1497: 1491: 1488:Basil Banghart 1485: 1478: 1476: 1472: 1471: 1469: 1468: 1462: 1456: 1450: 1444: 1438: 1431: 1429: 1425: 1424: 1422: 1421: 1415: 1409: 1406:Edwin B. Swope 1403: 1396: 1394: 1390: 1389: 1387: 1386: 1381: 1379:Joseph Stewart 1376: 1370: 1368: 1361: 1357: 1356: 1354: 1353: 1352: 1351: 1346: 1336: 1331: 1325: 1323: 1319: 1318: 1316: 1315: 1310: 1305: 1300: 1294: 1292: 1288: 1287: 1285: 1284: 1279: 1274: 1269: 1264: 1259: 1254: 1249: 1244: 1239: 1237:Warden's House 1234: 1229: 1224: 1219: 1217:Main Cellhouse 1213: 1211: 1207: 1206: 1204: 1203: 1198: 1193: 1177: 1172: 1167: 1159: 1153: 1151: 1147: 1146: 1139: 1136: 1135: 1130: 1128: 1127: 1120: 1113: 1105: 1099: 1098: 1086: 1079: 1078:External links 1076: 1073: 1072: 1065: 1045: 1038: 1009: 981: 967: 942: 935: 915: 869: 831: 797: 785: 754: 753: 751: 748: 747: 746: 740: 739: 725: 709: 706: 705: 704: 701: 694: 692: 689: 682: 680: 677: 670: 668: 665: 658: 656: 653: 646: 644: 641: 634: 632: 629: 622: 618: 615: 614: 613: 610: 607: 604: 601: 598: 595: 592: 589: 586: 583: 580: 577: 574: 571: 559: 556: 550: 547: 511:Cape Cod style 491: 488: 392:Native Indians 371: 368: 318: 317: 314: 313: 310: 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Barbara 2218: 2216: 2213: 2211: 2208: 2206: 2203: 2201: 2200:San Francisco 2198: 2196: 2193: 2191: 2188: 2186: 2183: 2181: 2178: 2176: 2173: 2171: 2168: 2166: 2163: 2161: 2158: 2156: 2153: 2151: 2148: 2146: 2143: 2141: 2138: 2136: 2133: 2131: 2128: 2126: 2123: 2121: 2118: 2116: 2113: 2111: 2108: 2106: 2103: 2101: 2098: 2096: 2093: 2091: 2088: 2086: 2083: 2081: 2078: 2076: 2073: 2071: 2068: 2066: 2063: 2061: 2058: 2056: 2053: 2051: 2048: 2046: 2043: 2041: 2038: 2036: 2033: 2031: 2028: 2026: 2023: 2021: 2018: 2016: 2013: 2012: 2010: 2004: 2000: 1996: 1989: 1984: 1982: 1977: 1975: 1970: 1969: 1966: 1956: 1944: 1939: 1929: 1926: 1924: 1923:Trinidad Head 1921: 1919: 1916: 1914: 1911: 1909: 1906: 1904: 1901: 1899: 1896: 1894: 1891: 1889: 1888:Santa Barbara 1886: 1884: 1883:Rubicon Point 1881: 1879: 1876: 1874: 1871: 1869: 1868:Point Vicente 1866: 1864: 1861: 1859: 1856: 1854: 1851: 1849: 1846: 1844: 1843:Point Montara 1841: 1839: 1836: 1834: 1831: 1829: 1828:Point Hueneme 1826: 1824: 1821: 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1397: 1395: 1391: 1385: 1382: 1380: 1377: 1375: 1372: 1371: 1369: 1365: 1362: 1358: 1350: 1347: 1345: 1342: 1341: 1340: 1337: 1335: 1332: 1330: 1327: 1326: 1324: 1320: 1314: 1311: 1309: 1306: 1304: 1301: 1299: 1296: 1295: 1293: 1289: 1283: 1280: 1278: 1275: 1273: 1270: 1268: 1265: 1263: 1260: 1258: 1255: 1253: 1250: 1248: 1245: 1243: 1240: 1238: 1235: 1233: 1230: 1228: 1225: 1223: 1220: 1218: 1215: 1214: 1212: 1208: 1202: 1199: 1197: 1194: 1190: 1186: 1181: 1178: 1176: 1173: 1171: 1168: 1166: 1164: 1160: 1158: 1157:Fort Alcatraz 1155: 1154: 1152: 1148: 1143: 1137: 1133: 1126: 1121: 1119: 1114: 1112: 1107: 1106: 1103: 1095: 1091: 1087: 1085: 1082: 1081: 1077: 1068: 1066:9781468587531 1062: 1058: 1057: 1049: 1046: 1041: 1039:9781468587531 1035: 1031: 1030: 1022: 1020: 1018: 1016: 1014: 1010: 1002:September 10, 998: 994: 988: 986: 982: 974:September 10, 970: 964: 960: 959: 951: 949: 947: 943: 938: 936:9780815313502 932: 928: 927: 919: 916: 908:September 10, 904: 900: 894: 892: 890: 888: 886: 884: 882: 880: 878: 876: 874: 870: 862:September 10, 858: 854: 850: 849: 844: 838: 836: 832: 819: 815: 811: 807: 801: 798: 794: 789: 786: 774: 770: 766: 759: 756: 749: 745: 742: 741: 737: 731: 726: 723: 712: 707: 698: 693: 686: 681: 674: 669: 662: 657: 650: 645: 638: 633: 626: 621: 616: 611: 608: 605: 602: 599: 596: 593: 590: 587: 584: 581: 578: 575: 572: 569: 568: 567: 564: 557: 555: 548: 546: 542: 534: 530: 528: 524: 518: 516: 515:Pacific Coast 512: 503: 496: 489: 487: 485: 481: 477: 471: 469: 465: 464:South America 461: 457: 448: 444: 442: 438: 434: 431:, and one at 430: 426: 422: 418: 414: 409: 404: 401: 400:Juan de Ayala 397: 393: 384: 376: 369: 367: 365: 361: 357: 353: 348: 344: 340: 336: 332: 328: 324: 315: 312:June 23, 1976 311: 307: 303: 299: 296: 292: 288: 284: 280: 275: 268: 264: 260: 256: 252: 250: 246: 242: 238: 234: 230: 226: 222: 218: 214: 210: 205: 201: 196: 190: 186: 182: 178: 174: 170: 166: 162: 158: 154: 150: 146: 142: 138: 134: 130: 126: 122: 117: 112: 94:122Β°25β€²19.8β€³W 84: 82: 78: 74: 70: 67: 63: 59: 52: 47: 42: 30: 19: 2045:Contra Costa 1823:Point Fermin 1818:Point Diablo 1803:Point Bonita 1783:Pigeon Point 1697: 1616:Sam Shockley 1606:Rufe Persful 1601:Rufus McCain 1545:Volney Davis 1519:("Scarface") 1511:James Bulger 1162: 1094:the original 1055: 1048: 1028: 1000:. Retrieved 996: 972:. Retrieved 957: 925: 918: 906:. Retrieved 902: 860:. Retrieved 846: 824:November 14, 822:. Retrieved 818:the original 809: 800: 788: 776:. Retrieved 768: 758: 654:Top of light 565: 561: 552: 543: 539: 519: 508: 472: 453: 429:Humboldt Bay 405: 396:Spanish rule 389: 333:β€”located on 322: 321: 233:Fresnel lens 231:Third order 220:Focal height 140:Construction 127:1854 (first) 91:37Β°49β€²34.5β€³N 29: 2351:Other lists 2332:Los Angeles 2225:Santa Clara 2205:San Joaquin 1928:Yerba Buena 1918:Table Bluff 1873:Punta Gorda 1853:Point Reyes 1848:Point Pinos 1798:Point Blunt 1788:Point Arena 1763:Mare Island 1673:Lighthouses 1627:Henri Young 1590:James Lucas 1535:Bernard Coy 1523:Meyer Cohen 1490:("The Owl") 1467:(1962–1963) 1461:(1961–1962) 1455:(1959–1961) 1449:(1947–1955) 1443:(1937–1947) 1437:(1934–1937) 1420:(1961–1963) 1414:(1955–1961) 1408:(1948–1955) 1402:(1934–1948) 1298:Baker Beach 1282:Water Tower 1277:Power House 1252:Social Hall 1242:Building 64 1222:Dining Hall 806:"NPS Focus" 486:and fires. 417:Point Pinos 124:Constructed 106: / 81:Coordinates 2421:Categories 2260:Stanislaus 2230:Santa Cruz 2185:San Benito 2180:Sacramento 1999:California 1878:Roe Island 1768:Mile Rocks 1753:Long Beach 1748:Lime Point 1738:Fort Point 1677:California 1562:John Giles 1547:("Curley") 1525:("Mickey") 1513:("Whitey") 1272:Lighthouse 750:References 441:West Coast 421:Point Loma 413:Fort Point 352:earthquake 339:California 331:West Coast 327:lighthouse 302:ID76000209 132:Foundation 32:Lighthouse 2215:San Mateo 2195:San Diego 2175:Riverside 2125:Mendocino 2055:El Dorado 2050:Del Norte 2035:Calaveras 2008:by county 1863:Point Sur 1611:Ralph Roe 1569:("Bumpy") 1553:("Deafy") 1517:Al Capone 1507:("Dutch") 1210:Buildings 678:Light on 523:San Diego 408:gold rush 212:First lit 148:Automated 2337:Pasadena 2285:Tuolumne 2245:Siskiyou 2145:Monterey 2120:Mariposa 2075:Imperial 2070:Humboldt 1329:Features 1227:Hospital 708:See also 527:Monterey 298:Alcatraz 253:Fl W 5s. 188:Heritage 180:Operator 172:Markings 65:Location 2358:Bridges 2290:Ventura 2275:Trinity 2015:Alameda 1531:("Ted") 1496:("Doc") 1393:Wardens 1334:Inmates 1291:Grounds 1232:Library 1150:General 778:June 9, 617:Gallery 558:Keepers 370:History 347:Citadel 294:Part of 2280:Tulare 2270:Tehama 2265:Sutter 2255:Sonoma 2250:Solano 2240:Sierra 2235:Shasta 2170:Plumas 2165:Placer 2160:Orange 2155:Nevada 2130:Merced 2110:Madera 2100:Lassen 2060:Fresno 2040:Colusa 2025:Amador 2020:Alpine 1685:Main: 1360:People 1257:Morgue 1165:(ship) 1063:  1036:  965:  933:  427:, and 356:beacon 156:Height 2135:Modoc 2115:Marin 2090:Kings 2065:Glenn 2030:Butte 2006:Lists 1322:Lists 1313:Wharf 325:is a 240:Range 207:Light 164:Shape 119:Tower 38: 2300:Yuba 2295:Yolo 2150:Napa 2140:Mono 2095:Lake 2085:Kern 2080:Inyo 1189:film 1185:book 1061:ISBN 1034:ISBN 1004:2012 976:2012 963:ISBN 931:ISBN 910:2012 864:2012 826:2011 780:2016 406:The 228:Lens 151:1963 1997:in 1675:of 435:in 341:'s 337:in 2423:: 1187:Β· 1012:^ 995:. 984:^ 945:^ 901:. 872:^ 855:, 851:. 845:. 834:^ 812:. 808:. 771:. 767:. 423:, 419:, 415:, 71:, 1987:e 1980:t 1973:v 1665:e 1658:t 1651:v 1191:) 1183:( 1124:e 1117:t 1110:v 1069:. 1042:. 1006:. 978:. 939:. 912:. 866:. 828:. 782:. 304:) 300:( 20:)

Index

Alcatraz Lighthouse


Alcatraz Island
San Francisco Bay
Coordinates
37Β°49β€²34.5β€³N 122Β°25β€²19.8β€³W / 37.826250Β°N 122.422167Β°W / 37.826250; -122.422167
Edit this on Wikidata
Fresnel lens
Characteristic
U.S. Historic district
Contributing property
Alcatraz
ID76000209
lighthouse
West Coast
Alcatraz Island
California
San Francisco Bay
Citadel
earthquake
beacon
Alcatraz Federal Penitentiary
Alcatraz Water Tower


Native Indians
Spanish rule
Juan de Ayala
gold rush

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