After two years of relative quiet, reports of unusual activity in the San Luis Valley have increased in recent weeks.
World’s oldest known fossil reptile nests discovered in Arizona’s Petrified Forest
The fossil nests, dating to about 220 million years ago, are similar to modern-day crocodile and turtle nests.
Researchers excavate mammoth remains in New Mexico
Columbian mammoths ranged over much of what is now the southern United States and Mexico up until the end of the last Ice Age, when they became extinct.
San Andreas Fault on the move at Parkfield, California
The USGS, in partnership with the state of California and other institutions, has monitored Parkfield since 1985 to obtain a detailed record of fault behavior believed likely to culminate in a moderate earthquake.
A modest proposal: Bright Angel Frontier
We can re-create a real frontier by properly managing the vast and lightly populated tract of federal land in eastern Nevada, southern Utah and the Four Corners area.
Judge rules wolf-reintroduction unlawful
The U.S. District Court for Wyoming on December 12, 1997 held that the U.S. Fish and Wildlife Service’s final rules establishing a nonessential experimental population of gray wolves in Yellowstone National Park and central Idaho and southwestern Montana are unlawful and ordered the Service to remove all of the reintroduced wolves and their offspring from the Yellowstone and central Idaho areas.
Yellowstone earth movements compared to heavy breathing
The central part of Yellowstone has been uplifting and subsiding or “breathing” about five times during the last 9,000 years.