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A. D. BACHE Alcatraz anchor anchorage approach assistant Bartlett beach beacon buoys California Cape Cape Hancock chart clear Columbia river Commanding commerce communicate course covered dangers Department directions distance enter entrance examination extremity Farrallon fathoms feet harbor head height hills honor hundred important island islets keep land lantern less letter Lieut Lieutenant light light-house marked materials McArthur Mendocino miles Monterey mouth narrow navigation Navy nearly necessary northward northwest OFFICE Oregon pass pilot placed Playa Point port position Prof proposed range recommend reef relation request require respectfully Reyes rocks sailing San Diego San Francisco sand Secretary shoal shore showing side Signed sketch soundings south channel steamers Superintendent Superintendent U. S. Coast tide tower town Treasury trees Trinidad U. S. Coast Survey United vessels visible Washington western coast wind wood
Էջ 42 - Report of the Superintendent of the Coast Survey to the Secretary of the Treasury on Halteras shoals, with a report of Lieutenant Commanding Jenkins, United States navy.
Էջ 10 - Umpqua is accessible for steamers, and for small sailing vessels only, under very favorable circumstances. "When off Cape Arago, in clear weather, the high sand bluffs of the Umpqua are plainly seen." "The coast from the Umpqua river to the Columbia is generally bordered by a sand beach, with white sand hills, and the interior is densely wooded with fir or pine. The cliffs, when they occur, are bold, but afford no shelter for anchoring. In the summer, a vessel may anchor in twenty fathoms off any...
Էջ 48 - The lanthorn or light, which is to be placed on the tower, should be of a power not less than the best Light on Navesink; in other words, a Marine light of the first power. "The Tower should be constructed of fire-proof materials, and no wood whatever should be admitted into the construction of the building; as there is at all times much danger of the forest being fired to the northward, which, in such a case, would inevitably destroy the building. "From the cove in Baker's Bay, where the materials...
Էջ 52 - Cape Hancock or Disappointment, at the mouth of the Columbia River, Oregon Territory, and for information as to the locality on which it should be placed, &c. : "I have the honor to state, that Cape Hancock or Disappointment, at the mouth of the Columbia River, Oregon Territory, where it is proposed by a late act of Congress to erect the principal Light-house for that river, is a bold cliff of columnar basalt, rising perpendicularly from the sea to variable heights of from 200 to 300 feet, terminating...
Էջ 27 - Jim Crow,' (upon which there is a notable tree,) nearly in range, the vessel will be then on the bar in the south channel in the best water. Steer for the beacon, taking care not to sag to the eastward; rather keep close to the breakers on the Sand Island shore. Pass close to Sand Island, and fall into the range of the beacon with the trimmed tree on Cape Disappointment, and proceed as already directed.
Էջ 52 - ... and other shrubbery. The summit of the sea cliffs (which are not covered by the forest) is the proper position for locating the light-house, say within two to four hundred yards to the westward of "Broom station," as given on our triangulation of the river.
Էջ 52 - Broom station," as given on our triangulation of the river. Should the tower be placed there, it will show the light from the lantern around three-fourths of the horizon without the necessity of felling the trees to the northward. In this position the base of the tower will be about...
Էջ 9 - North of Trinidad head do not approach the shore closely, unless the breeze is steady. The dangers are in plain sight. At night it generally falls calm, and if calm the swell will set the vessel too near the beach.
Էջ 9 - ... be steered. There is a staff on the south side of the river, on which a white flag, with black ball, is generally hoisted. "Port St. George is a safe anchorage in the summer at the point indicated by the anchor. The reef off Cape St. George consists of rocky islets. The in-shore channel is good and clear, and shown by the track of the schooner Ewing.
Էջ 42 - Recording to the European classification, illuminating two hundred and eighty degrees of the horizon, to subserve all the purposes of navigation. The light on Point Conception should be made a revolving or flashing light, to enable the proper distinctions to be made in those on either side, and nearest to it. Very respectfully, yours, AD BACHE, Superintendent US Coast Surrey. Hon. THOS.