United States. Department of the Interior. (1926). Regulations concerning sulphur mining leases and prospecting permits in State of Louisiana. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of the Interior. Regulations Concerning Sulphur Mining Leases and Prospecting Permits in State of Louisiana. [Washington]: [publisher not identified], 1926.
MLA (9th ed.) CitationUnited States. Department of the Interior. Regulations Concerning Sulphur Mining Leases and Prospecting Permits in State of Louisiana. [publisher not identified], 1926.
Warning: These citations may not always be 100% accurate.