Ross, Charles R. 1908- Trees to know in Oregon / [electronic resource] / author, Charles R. Ross ; artist, Hugh Hayes.. — Rev. Aug. 1978.. — Corvallis, Or. : : Oregon State University,, 1978.. — 96 p. : : ill., maps ; 23 cm. — (Extension bulletin ;) 697.

"Published cooperatively by the Oregon State University Extension Service and the Oregon State Forestry Department."



Subjects--Topical Terms:
Trees--Oregon--Identification.

LC Class. No.: QK484.Or3 / R71 1978

Dewey Class. No.: 582/.16/09795

Gov. Doc. Class. No.: HEO/Ex8.4B87:697