Fifth in the regular succession of Chiefs of the Forest Service, United States Department of Agriculture, Ferdinand Augustus Silcox was the third Chief to gain his forestry experience and win his administrative spurs in the great practical school of the National Forests of the West.
Sherman, E. A.
"Ferdinand Augustus Silcox, Forester and Humanitarian,"
Ames Forester: Vol. 28
, Article 10.
Available at: https://lib.dr.iastate.edu/amesforester/vol28/iss1/10