43 C.F.R. § 3271.12

What do I need to start preliminary site investigations that may disturb the surface?

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(a) You must:

(1) Fully describe your proposed operations in a Sundry Notice; and

(2) File a bond meeting the requirements of either § 3251.14 or § 3273.19. See subparts 3214 and 3215 for additional details on bonding procedures.

(b) Do not begin the site investigation or surface disturbing activity until BLM approves your Sundry Notice and bond.