一般注記Microfiche reproduction sent to depository lacks accompanying computer disks
Two 5 1/2-inch computer disks in pocket
Physical description for original version: vi, 310 p. : 28 cm
書誌注記Includes bibliographical references (p. 141-143)
原資料等に関する注記原資料の出版事項: Reston, Va. ; Denver, Colo. : Dept. of the Interior, U.S. Geological Survey : Books and Open-File Reports Section [distributor], 1988
SUPTDOC番号: I 19.42/4: 88-4153
GPO管理番号: 0624-B (MF)