You usually can’t see them, but things happen in and under the oceans
every day that affect your life. This non-technical guide to marine
geography, earth crusts and plates, ocean chemistry, effects of weather,
tides, currents, and wave formation will bring you hours of enjoyment.
USPS Guides are available to members and the public at various marine supply stores, and also directly from United States Power Squadrons Headquarters by calling 1-888-FOR-USPS between 8:00AM and 4:30PM ET Monday through Friday, or on-line via the United States Power Squadrons Ship's Store. Visa, MasterCard, Discover, and American Express are accepted. These guides are also available to USPS members through their Squadron Educational Officer.
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