43 C.F.R. § 3583.4-1 Leasing units.
Title 43 - Public Lands: Interior
Leasing units may not exceed 640 acres consisting, if the lands are surveyed, of legal subdivisions in reasonably compact form or, if the lands are not surveyed, of a square or rectangular area with north and south and east and west boundaries so as to approximate legal subdivisions, described by metes and bounds and connected to a corner of the public survey by courses and distances. The authorized officer may prescribe a lesser area for any mineral deposit if such lesser area is adequate for an economic mining operation.
Title 43: Public Lands: Interior
PART 3580—SPECIAL LEASING AREAS
Subpart 3583—Shasta and Trinity Units of the Whiskeytown-Shasta-Trinity National Recreation Area
§ 3583.4-1 Leasing units.
