一般注記"This publication reflects February 1990 soils data"--T.p. verso
Cover title
Distributed to depository libraries in microfiche
"July 1990"--P. [2] of cover
Physical description for original version: [2], 459 p. ; 28 cm
書誌注記Includes bibliographical references (p. [2], 1st group)
原資料等に関する注記原資料の出版事項: [Washington, D.C.?] : U.S. Dept. of Agriculture, Soil Conservation Service, [1990]
SUPTDOC番号: A 1.38: 1483
GPO管理番号: 0013-A (MF)