Identifying Trees of the West

Lois Demarco has a degree in forestry from Rutgers University. She had a career with the U.S. Forest Service, where she retired as the Ecosystem Management Staff Officer of the Allegheny National Forest in Pennsylvania. She lives in Russell, Pennsylvania. Jay Mengel has a BS in biology from Lebanon Valley College and a master's in business from Troy University. After retiring from the U.S. Air Force as a colonel, he began pursuing his interest in the outdoors. He had his own nature tour business in Mississippi and has been a seasonal interpretive ranger at Yellowstone National Park and a botany technician for a National Forest Research station. He lives in Russell, Pennsylvania.