A secondary volcano

Inside the huge crater lake thrusts this smaller volcano that apparently erupted later and basically sealed the large crater bottom so this lake exists. Precipitation and evaporation maintain it as it has no tributaries or outlet.

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California at Klamath to Oregon at Crater Lake

June 11th 2007
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North America » United States » Oregon » Crater Lake

Britain's American colonies broke with the mother country in 1776 and were recognized as the new nation of the United States of America following the Treaty of Paris in 1783. During the 19th and 20th centuries, 37 new states were added to the origina... ... read more

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