Section 3271.12 - What do I need to start preliminary site investigations that may disturb the surface?(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.