Tables for computing oil royalties under the leasing act of February 25, 1920, as amended by the act of August 21, 1935
By: by R. E. Spratt.
Contributors: Spratt, Robert E., 1897-
Publisher: Govt. print. off.
Published: 1941
Place of publication: Washington
Language: eng
Number of pages: 28
Subjects: Petroleum industry and trade -- Tables.
Other titles: Oil royalties.
Notes: At head of title: United States Department of the interior ... Geological survey.