Plant associations of the central Oregon pumice zone
By: Leonard A. Volland
Contributors: United States. Forest Service. Pacific Northwest Region
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region
Published: 1985
Place of publication: [Portland, Or.?]
Language: eng
Number of pages: 138
Subjects: Plant communities -- Oregon
Notes: "Reprint with minor revisions of R6 Area guide 4-2 published January 1976 and R6-ECOL-104-1982 of September 1982."

Shipping list no. 85-1073-P

"September 1985."

Plates and some pages of text printed upside down

"R6-ECOL-104-1985."

Bibliography: p. 111-112