U.S. Geological Survey (USGS) Posts - TopicsExpress

Biking, hiking or riding Arizona Trails: The US Topo map and
Biking, hiking or riding Arizona Trails: The US Topo map and Historical Topographic Map Collection websites have updated the interactive map applicati...

By Bike, Foot or Hoof: New Arizona Maps Feature Trails: Newly
By Bike, Foot or Hoof: New Arizona Maps Feature Trails: Newly released US Topo maps for Arizona now feature mountain bike trails, segments of the Ariz...

Follow USGS, University of Wyoming and our partners at the Wyoming
Follow USGS, University of Wyoming and our partners at the Wyoming Game and Fish Department to learn about Wyomings mule deer, their incredible migra...

Get Your Wheels Spinning: As part of the continued US Topo map
Get Your Wheels Spinning: As part of the continued US Topo map revision and improvement cycle, the USGS will be including mountain bike trails to upco...

USGS scientists are working with The Nature Conservancy and the
USGS scientists are working with The Nature Conservancy and the Bureau of Land Management to monitor ecosystem restoration in southeast Arizona with u...