In the early years between 1920 and 1935, state forest land was not a consideration for recreational use. But since the 1930's, increased attention has been brought to the role of state forests and state parks in providing outdoor recreational opportunities.
Born, Ted J. and Hertel, H. Gene
"Recreational Use of State Forests in Mid-America,"
Ames Forester: Vol. 68
, Article 8.
Available at: https://lib.dr.iastate.edu/amesforester/vol68/iss1/8