Triggering the Yellowstone Caldera, which hasn't erupted in 640,000 years, would spread ash across the country. Above, a map from the United States Geological Survey predicts the amount of ash from the blast
Geologist Florence Bascom was typical of the New Woman. She was the first woman to earn a Ph.D. from Johns Hopkins University (1893) and, in 1894, the first woman elected to the Geological Society of America.
U.S. Geological Survey Discovers “Largest Oil & Gas Deposit Ever Discovered In America” texas-shaleThe U.S. Geological Survey says it has found the largest continuous oil and gas deposit ever discovered in the United States. On Tuesday, the USGS announced that a swath of West Texas known as the Wolfcamp shale contains 20 billion barrels of oil and 16 trillion cubic feet of natural gas.