Section 1 of the Act of Congress of March 1, 1893 (27 Stat. 507; 33 U.S.C. § 661), created the California Debris Commission, consisting of three officers of the Corps of Engineers, to regulate under the supervision of the Chief of Engineers and direction of the Secretary of the Army, hydraulic mining in the territory drained by the Sacramento and San Joaquin River systems, California. Under section 9 of the act (27 Stat. 508; 33 U.S.C. § 669), the individual proprietor or proprietors, or in case of a corporation, its manager or agent appointed for that purpose, owning mining ground in this territory which it is desired to work by the hydraulic process, must file with the Commission a verified petition, setting forth such facts as will comply with law and the rules prescribed by the Commission. The law contains detailed instructions with regard to facts required to be shown by the petitioner and the procedure to be followed by the Commission in issuing an order directing the methods and specifying the manner in which operations shall proceed. Full information on law and procedure can be obtained from the Secretary, California Debris Commission, 650 Capitol Mall, Sacramento, California 95814.