Andrew Gulliford is a professor of history and Environmental Studies at Fort Lewis College in Durango, Colorado. He teaches popular courses on wilderness, national parks, Western history, and environmental history. His book “The Woolly West: Colorado’s Hidden History of Sheepscapes” (Texas A&M University Press, 2018) was chosen the Outstanding Nonfiction winner for the 2019 Western … Continue reading Sheepherders’ history reveals itself in texts carved into aspens over generations