The citation is ambiguous. It may mean:
61 Stat. 913 (Pub. Law 80-382)
AN ACT To promote the mining of coal, phosphate, sodium, potassium, oil, oil shale, gas, and sulfur on lands acquired by the United States
You can view this U.S. Statutes at Large citation at these source(s):
61 Stat. 913
U.S. Statutes at Large
PDF - https://govtrackus.s3.amazonaws.com/legislink/pdf/stat/61/STATUTE-61-Pg913.pdf
also:
We also found 1 parallel citation:
61 Stat. 795 (Pub. Law 80-381)
AN ACT To provide for the promotion and elimination of officers of the Army, Navy, and Marine Corps, and for other purposes
Link is to an internal page within a statute beginning on page 795.
You can view this U.S. Statutes at Large citation at these source(s):
61 Stat. 795
U.S. Statutes at Large
PDF - https://govtrackus.s3.amazonaws.com/legislink/pdf/stat/61/STATUTE-61-Pg795.pdf
also:
We also found 1 parallel citation: