一般注記Distributed to depository libraries in microfiche
Shipping list no.: 92-2280-M
Physical description for original version: 19 p. : 23 x 11 cm
書誌注記Includes bibliographical references (p. 19)
原資料等に関する注記原資料の出版事項: [Reston, Va.?] ; [Denver, CO ; Washington, DC : U.S. Dept. of the Interior, U.S. Geological Survey : Books and Open-File Reports Section : For sale by the U.S. G.P.O., Supt. of Docs., 1991]
ISBN: 0160360269
SUPTDOC番号: I 19.2: C 31/991
GPO管理番号: 0621 (MF)