Unknown2019-01-112019-01-111949EPM-069-19-007http://hdl.handle.net/20.500.11867/1521720 sheets 8 x 10.5 inch. Typed. Date est. First sheet annotated at top in black ink.Includes sections 192.1 through 192.161.U.S. Department of the Interior Bureau of Land Management Circular No. 1730: Code of Federal Regulations part 192 - Oil and Gas Leases.