Physical description for original version: iii, 12 p. : 28 cm
書誌注記
Includes bibliographical references (p. 8)
原資料等に関する注記
原資料の出版事項: Denver, Colo. : Applied Sciences Branch, Research and Laboratory Services Division, Denver Office, U.S. Dept. of the Interior, Bureau of Reclamation, [1991]