This opportunity is restricted to USFS Region 9 Timber Mark and Cruise BPA holders ONLY. This is a non-personal services contract for timber marking and cruising in the Bowfin timber sale area of the ... This opportunity is restricted to USFS Region 9 Timber Mark and Cruise BPA holders ONLY. This is a non-personal services contract for timber marking and cruising in the Bowfin timber sale area of the Ottawa National Forest in Michigan.