Crater Lake National Park in Oregon was formed when a volcanic eruption at Mount Mazama triggered the collapse of a tall peak, forming the deepest lake in the United States. The crater, also known as a caldera, is 5 to 6 miles long and 3,900 feet deep, making it the seventh-deepest l...
American geologists working for Standard Oil of California were searching for oil in Saudi Arabia. They discovered a geological bend in a riverbed that indicated an underlying oil field. Further exploration was put on pause