一般注記Cover title
"Developed by the Pacific Northwest Research Station, Fire and Air Resource Management Research Work Unit, in cooperation with the Willamette National Forest"--P. 2
Distributed to depository libraries in microfiche
"May 1990."
Physical description for original version: 63 p. : 16 x 23 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: Portland, Or. (319 S.W. Pine St., Portland 97208-3890) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1990]
SUPTDOC番号: A 13.88: PNW-GTR-258
GPO管理番号: 83-B-6 (MF)