All roads would be constructed as permanent improvements including culverts with proper shielding and catch Basins to insure future drainage functions and minimize erosion. I would recommend the following harvest prescription for this area. The balance of the area can be mechanically logged, again whole tree yarding to landings for slash disposal. This area has the most potential for growth of the three areas. Young reproduction is healthy and vigorous.
Several things stand out here.
First, the large volume of old white fir culls is literally draining the water, nutrients and sun light necessary to promote the growth of the saw timber in this area. It will be important to monitor the chip market to profitably utilize these trees. Douglas Fir, Western Larch and Lodgepole Pine. I would recommend the following harvest prescription for this area. Optimum spacing would be every 20'-24' on a grid spacing.