From USFS Forest Products Laboratory:

Wood Handbook (individual chapters in PDF)

Dry Kiln Operators Manual

From Oregon State University Extension Service:

Lumber Size Control: Part 1--Measurement Methods

Lumber Size Control: Part 2--Size Analysis Considerations

Voluntary Product Standards:

PS 20 Softwood Lumber Product Standard

Requiers Adobe Acrobat Reader (download here)

Contact the Lumber Quality Institute

If you are interested in learning more about our upcoming workshops, please email us at or feel free to fill out our contact form with some more information about your business.