pinnacles national monument
area of spirelike rock formations 500 to 1,200 feet (150 to 365 metres) high in the hilly Gabilan Range of west-central California, U.S. The pinnacles lie just west of the San Andreas Fault (the main component of the San Andreas Rift Zone), about 25 miles (40 km) southeast of Salinas. The monument, created in 1908, has an area of 25 square miles (65 square km); another 12 square miles (32 square km) was added by presidential proclamation in 2000, a portion of which subsequently has been acquired
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