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U.S. Supi, of Documents.

DEPARTMENT OF COMMERCE,
U.S. COAST AND GEODETIC SURVEY,

Washington, May 28, 1926. This publication covers the coast and interior waters of the States of California, Oregon, and Washington. It is based mainly upon the work of the Coast and Geodetic Survey, including the results of special examinations in 1925.

The first volume covering this area, entitled “Directory of the Pacific Coast of the United States," was prepared by George Davidson, Assistant, Coast and Geodetic Survey, and published in 1858.

The present (fourth) edition was prepared by Lieut. R. R. Lukens, United States Coast and Geodetic Survey, under the supervision of Lieut. Commander J. H. Hawley, chief, coast pilot section.

Great courtesy has been shown by the United States Engineers, the Lighthouse Service, navigators on the Pacific coast, and local authorities in furnishing information for use in this publication.

The aids to navigation are corrected to May 28, 1926.

Navigators are requested to notify the Director of the Coast and Geodetic Survey of any errors or omissions they may find in this publication or of additional matter which they think should be inserted for the information of mariners.

E. LESTER JONES,

Director.

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NOTE

The courses and bearings given in degrees are true, reading clockwise from 0° at north to 359°, and are followed by the equivalent magnetic value in points in parentheses. General directions, such as northeastward, west-southwestward, etc., and all courses given in points, are magnetic.

Distances are in nautical miles and may be converted approximately to statute miles by adding 15 per cent to the distances given.

Currents are expressed in knots, which are nautical miles per hour.

All depths, except where otherwise stated, are at mean lower low water. In accordance with the desire of the International Hydrographic Conference, the equivalent expressed in meters follows in parentheses.

Heights are given in feet followed by the metric equivalent in parentheses.

Changes and other corrections affecting all coast pilot volumes are included in the Notice to Mariners published weekly by the United States Department of Commerce. About one year after a Coast Pilot is published, and at approximately yearly intervals thereafter until a new edition is brought out, a supplement, giving the more important corrections and additions to its text since the date of its publication, is issued. The date of the latest supplement to each Coast Pilot, for which a supplement has been issued, is shown in the list of Coast Pilots published each week in the Notice to Mariners. Any supplement may be obtained, free of charge, upon application to the Coast and Geodetic Survey, Washington, D. C., or any of its field stations. Each supplement is complete in itself and cancels all previous supplements.

Do not use this Coast Pilot except with reference to the latest supplement that may have been published and Notices to Mariners issued after the date of the supplement.

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