[Code of Federal Regulations] [Title 25, Volume 1] [Revised as of April 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 25CFR226.35] [Page 637] TITLE 25--INDIANS CHAPTER I--BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR PART 226_LEASING OF OSAGE RESERVATION LANDS FOR OIL AND GAS MINING --Table of Contents Sec. 226.35 Formations to be protected. Lessee shall, to the satisfaction of the Superintendent, take all proper precautions and measures to prevent damage or pollution of oil, gas, fresh water, or other mineral bearing formations.