Specifications include, but are not limited to: Thinning Prescriptions for all Units: • Leave all aspen and 5 needle pines. • Cut all live lodgepole pine > 2.0 in. DBH and < 8.0 in. DBH. • Cut all dead trees > 1.0 in. DBH and < 10.0 in. DBH. Trees up to 14.0 in DBH may be cut if they pose a safety hazard. • Lop and scatter all conifers, except 5-needle pines, > 1ft. tall and ≤ 8.0”. DBH, within 120 feet of an aspen clone. • Thin, from below, remaining live trees less than or equal to 10.0” DBH to a 15- foot spacing using the following species preference. Spacing is an average and clumps of trees closer together with larger spaces in between clumps is acceptable and desirable depending on available trees (species and quality). o Douglas-fir > Engelman spruce > Lodgepole pine > Subalpine fir • The above species preference list assumes equal tree quality. Remove trees based on presence of disease and poor form over species. Do not leave any lodgepole pine with dwarf mistletoe. Do not leave trees with severe crook/sweep, broken/dead top, crown ratio under 30% or unhealthy foliage in the crown. Some spruce budworm damage is acceptable to leave in Douglas-fir. • Given two acceptable trees (disease free and acceptable form) the leave tree based on species preference should not be less than 50% the height of the cut tree. • Retain all survey monuments and bearing trees; Piling Requirements • Pile all cut trees as well as down natural fuels up to a 10-inch diameter on the large end • Piles size should average 6’x6’x6’ • Pile all material within 50’ of the pile. • Material should be arranged perpendicular to the slope to prevent the pile from rolling downhill. Cribbing may be necessary on steeper slopes. Where terrain prohibits safe piling and cribbing, lop and scatter methods will be permitted. • Piles should be compact with all material placed parallel within the pile including a good mix of fine fuels in addition to larger 1000 hour fuels (3+”diameter). The exterior of the pile shall be trimmed with no pieces remaining more than 2’ beyond the majority of the material. • Piles should be located outside the drip line of residual trees or in areas to avoid damage to residual trees. • Piles will be no less than 30’ from any open water and no less than 100’ from any perennial active stream. Cut material may be scattered within these 30’ and 100’ buffer areas. • All cut trees and natural
