Humboldt Harbor (California)
Historical Light List Characteristics
| 1857-1858 | F W. W12. | LHB Light List (US): 379 |
| 1860 | LHB Light List (US): 359 | |
| 1865 | LHB Light List (All Coasts): 365 | |
| 1866 | LHB Light List (All Coasts): 369 | |
| 1868 | LHB Light List (All Coasts): 371 | |
| 1878 | F W. W13. | LHB Light List (All Coasts): 469 |
| 1879 | LHB Light List (All Coasts): 488 | |
| 1881 | LHB Light List (Dist. 12): N/A | |
| 1886 | F W. W133/4. | LHB Light List (All Coasts): 622 |
| 1887 | LHB Light List (Dist. 12): N/A | |
| 1888 | LHB Light List (All Coasts): 662 | |
| 1892 | LHB Light List (Dist. 12-13): 859 |
Historical Light List Optics and Structures
| 1857-1858 | 4th | 45 | 53 | Brick tower rising from keeper's dwelling. | LHB Light List (US): 379 |
| 1860 | Tower rising from keeper's dwelling. | LHB Light List (US): 359 | |||
| 1865 | LHB Light List (All Coasts): 365 | ||||
| 1866 | LHB Light List (All Coasts): 369 | ||||
| 1868 | LHB Light List (All Coasts): 371 | ||||
| 1878 | Conical brick tower, rising from keeper's dwelling. | LHB Light List (All Coasts): 469 | |||
| 1879 | LHB Light List (All Coasts): 488 | ||||
| 1881 | N/A | White; dome of lantern and balustrade, red. Conical tower on white dwelling. | LHB Light List (Dist. 12): N/A | ||
| 1886 | 53 | Conical white tower, rising from white dwelling; dome of lantern and balustrade, red. | LHB Light List (All Coasts): 622 | ||
| 1887 | N/A | N/A | White; dome of lantern and balustrade, black. Conical tower on white dwelling. | LHB Light List (Dist. 12): N/A | |
| 1888 | 4th | 53 | White; dome of lantern and balustrade, black. Conical tower on white dwelling. [Info taken from the '1888 List of Beacons, Buoys, Stakes, and Other Day-Marks in the Twelfth Light-House District, Embracing the Sea-Coast and Bays of California' due to info missing in normal light list.] | LHB Light List (All Coasts): 662 | |
| 1892 | N/A | Conical white tower, rising from white dwelling; lantern, black. | LHB Light List (Dist. 12-13): 859 |
Historical Light List Audible Fog Signals
| 1857-1858 | Fog-bell, struck by machinery. | None | LHB Light List (US): 379 |
| 1860 | None | LHB Light List (US): 359 | |
| 1865 | LHB Light List (All Coasts): 365 | ||
| 1866 | LHB Light List (All Coasts): 369 | ||
| 1868 | LHB Light List (All Coasts): 371 | ||
| 1878 | A 12-inch steam fog-whistle, giving alternate blasts of 4 and 8 seconds, at intervals of 24 seconds. | LHB Light List (All Coasts): 469 | |
| 1879 | LHB Light List (All Coasts): 488 | ||
| 1881 | None | LHB Light List (Dist. 12): N/A | |
| 1886 | 12-inch steam-whistle; alternate blasts of 4 and 8 sec., intervals 24 sec. | LHB Light List (All Coasts): 622 | |
| 1887 | None | LHB Light List (Dist. 12): N/A | |
| 1888 | LHB Light List (All Coasts): 662 | ||
| 1892 | 12-inch steam whistle; alternate blasts of 4 and 8 sec., silent intervals 24 sec. The whistle will sound 5 or 6 short, sharp blasts and a blast of 15 sec. to warn the life-saving crew when vessels are in distress. | LHB Light List (Dist. 12-13): 859 |
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1856 - 1892 |
