Field guide to Oregon forest practice rules /
State of Oregon, Department of Forestry.
APA Citation
Oregon. Department of Forestry. (1980). Field guide to Oregon forest practice rules. 7th rev. [Portland, Or.]: The Dept..
MLA Citation
Oregon. Department of Forestry. Field Guide to Oregon Forest Practice Rules. 7th rev. [Portland, Or.]: The Dept., 1980.
Warning: These citations may not always be complete (especially for serials).