TY  - RPRT
TI  - Tables for computing oil royalties under the Leasing Act of February 25, 1920, as amended by the Act of August 21, 1935
AU  - R.E. Spratt
PY  - 1941
DO  - 10.3133/70048672
UR  - https://pubs.usgs.gov/publication/70048672
ID  - 70048672
ER  -