"The U.S. Geological Survey has just released more than 161,000 digitally scanned historical maps spanning in excess of 130 years and covering the lower 48 states. This Historical Topographic Map Collection provides a comprehensive repository of the landscape of our Nation..."
Recent exploration drilling and 3-D seismic surveys reveal the U.S. Geological Survey's optimistic 2002 assessment of Alaska's untapped oil reserves is actually off by about 90 percent. Oil and Gas Online explains the new geologic analysis and difficulty predicting petroleum reserves.
How does an ecosystem rebound from catastrophe? Thirty years after the blast, Mount St. Helens is reborn again. Interactive Graphic: Blast Zone. Also see National Geographic's feature article from 1981, chronicling that year's eruption. Previously on MeFi [more inside]
Northern Divide Grizzly Bear Project ― the grizzly bear has had a threatened status for more than 30 years now. Several zones have been established in the northwestern U.S. and Canada to monitor recovery. Kate Kendall of the USGS led a project to investigate recovery through DNA monitoring of the bears. Since the funds dried up, Kate and her team have used remote cameras to capture some interesting footage of bears and other wildlife.