Geology and Minerals
Barva Volcano is an andesitic stratovolcano complex in central Costa Rica, 22 kilometres (14 mi) north of San José, in Heredia Province. It is the highest point in Braulio Carrillo National Park at 9,534 feet (2,906 m). One source states that it is the largest volcano in Central America by area and volume, being about 40 kilometres (25 mi) in diameter.
Guallatiri.
Beaver Valley, Delaware and Pennsylvania.
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