After efficient patroling, the next problem confronting those engaged in preventing the destruction of our forests by fire is the problem of an easy, sure, and speedy means of communication.
Hoffman, A. H.
"The Use of Wireless Telegraph in Forest Conservation,"
Ames Forester: Vol. 1
, Article 5.
Available at: https://lib.dr.iastate.edu/amesforester/vol1/iss1/5