Subscribe to the Northern Logger. Right now, there are 2 procurement forester positions and 2 for hardwood log buyers. Someone is usually looking for procurement foresters.
Subscription is $12/yr and covers the northeast and lake states. Email - NELA@telenet.net
You can try Monster.com and other websites like that, but very few of the smaller operations advertise there. Also, a lot of mill owners are computer illiterate and scared of the Internet.
If worse comes to worse, you can always get a job at a sawmill and see what the insides of a tree looks like. I advise this very strongly. I didn't get my education until after I left college.
I started by stacking lumber, learning grade, and applying it to scaling and grading logs. Then, I could apply grading to buying timber. I knew what defects cut out, and which ones wouldn't. Helps a whole lot if you ever have to bid timber.