Physical description for original version: xiii, 330 p. : 26 cm
書誌注記
Includes bibliographies
原資料等に関する注記
原資料の出版事項: [Washington, D.C.?] ; Denver, CO : Dept. of the Interior, U.S. Geological Survey : Books and Open-File Reports Section, U.S. Geological Survey, Federal Center [distributor], 1986