Nov 05, 2008. /Lesprom.com/. Potlatch Corporation announced that its manufacturing subsidiary will be taking downtime at three sawmills, one plywood plant and one particleboard plant due to continuing poor market conditions. The Lewiston, Idaho, sawmill will be down November 10 and will resume production on December 1. The Gwinn, Michigan, stud mill will be down November 17 through 30 and will resume production on December 1. The St. Maries, Idaho, plywood plant will be down November 10 through 14. Production will resume on November 17, stop again November 24, and resume regular production on December 1. The entire Bemidji, Minnesota, stud mill, which already took one shift down October 27 through November 7, will be down November 10 through 14 and will resume production on November 17. The Post Falls, Idaho, particleboard plant is currently down and will remain down until orders increase. Potlatch owns approximately 1.7 million acres of forestland in Arkansas, Idaho, Minnesota and Wisconsin, and operates 12 manufacturing facilities that produce lumber and panel products and bleached pulp products, including paperboard and tissue.