Trees To Know In Oregon 1950 Guide Published by Oregon State College OSU Item in nice used condition. Nice little 9x6 booklet about the trees you'll find while walking through the Oregon forests. Some small water damage along the bottom of the page. 80 pages. I have similar items in my shop and I would be happy to combine shipping to save you money. Place items you'd like to buy in your eBay cart. When you are finished click "request a total" and I will send you the amount for combined shipping. Most of my items are shipped in sturdy, clean, recyclable materials. We try to be as earth friendly as possible.