43 C.F.R. § 4.1130 Discovery methods.
Title 43 - Public Lands: Interior
Parties may obtain discovery by one or more of the following methods— (a) Depositions upon oral examination or upon written interrogatories; (b) Written interrogatories; (c) Production of documents or things or permission to enter upon land or other property, for inspection and other purposes; and (d) Requests for admission.
Title 43: Public Lands: Interior
PART 4—DEPARTMENT HEARINGS AND APPEALS PROCEDURES
Subpart L—Special Rules Applicable to Surface Coal Mining Hearings and Appeals
Discovery
§ 4.1130 Discovery methods.