The said commission shall from time to time note the conditions of the navigable channels of said river systems, by cross-section surveys or otherwise, in order to ascertain the effect therein of such hydraulic mining operations as may be permitted by its orders and such as is caused by erosion, natural or otherwise.
33 U.S.C. § 666
STATUTORY NOTES AND RELATED SUBSIDIARIES
TRANSFER OF FUNCTIONS California Debris Commission abolished and functions transferred to Secretary of the Army by Pub. L. 99-662, title XI, §1106, Nov. 17, 1986, 100 Stat. 4229, set out as a note under section 661 of this title.