Iowa farming conditions differ from those in most oil-producing areas of the United States, and owners of Iowa farm land have had less experience with and exposure to the commonly used practices and leasing provisions.
Davis, Clifford and Hines, N. W.
"New to Iowa Farmers: Oil and Gas Exploration and Development Problems,"
Iowa Farm Science: Vol. 18
, Article 3.
Available at: https://lib.dr.iastate.edu/farmscience/vol18/iss1/3