43 C.F.R. § 10010.59 Purpose.
Title 43 - Public Lands: Interior
This subpart provides supplemental instruction for determining major actions requiring an EIS and for determining actions that are categorically excluded from NEPA.
Title 43: Public Lands: Interior
PART 10010—POLICIES AND PROCEDURES FOR IMPLEMENTING THE NATIONAL ENVIRONMENTAL POLICY ACT
Subpart G—Actions Requiring an EIS and Actions Subject to Categorical Exclusion
§ 10010.59 Purpose.

