Arizona Daily Sun4d
Iconic Dragon Map led the way to new USGS geologic mapping efforts
A team of USGS researchers in Flagstaff are working to develop an all new geologic map of the Grand Canyon region.
Newsweek on MSN25d
Earthquake Map Shows 9 States Hit on the Same Morning
The quakes come a week after a magnitude 7.0 earthquake hit off the coast of California with shaking felt for miles.