Higher incomes and more free time create greater demand for outdoor recreation. In response to this demand, some farm owners are using part of their land to develop recreation facilities.
Bull, Leonard and Timmons, John F.
"Outdoor Recreation Enterprises - A New Source of Income in Iowa,"
Iowa Farm Science: Vol. 21
, Article 5.
Available at: https://lib.dr.iastate.edu/farmscience/vol21/iss4/5