Manual for oil and gas operations : including Operating regulations to govern the production of oil and gas under the acts of February 25, 1920, June 4, 1920, and March 4, 1923, and under special agreement by the United States - Swigart, Theodore Earl, 1893- (Govt. Print. Off., 1923)
Pt. II. Operating regulations to govern the production of oil and gas (iii, 19 p.) in pocket.