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<br />000292 <br /> <br />Timber <br /> <br />Forests cover 345,870 acres of the 700,000 acre Southern San Juan Mountains Unit. The <br />remainder is classified as water, grasslands, oakbrush, scrubby forest, rock and other land <br />unsuitable for growing well formed trees. Individual National Forest acreages supporting <br />tree growth are: Rio Grande, 183,049; San Juan, 139,231; and Carson, 23,590. <br /> <br />Local tree species used for commercial products include Engelmann spruce, Douglas-fir, <br />ponderosa pine, white fir, cork bark fir, subalpine fir and aspen. Species that have little or no <br />commercial value are pinion pine, juniper and whitebark pine. <br /> <br />lands presently suitable and available for growing commercial wood products are shown in <br />the following table: <br /> <br />Suitable and Available Forest Acreages <br /> <br /> Percent Percent <br /> Area in of Total Of Forested <br />Type & Size of Tree Acres N.F. In Unit Area In Unit <br />Sawtimber <br />Spruce and Fir 54,887 8 16 <br />Douglas-fir & White fir 20,570 3 6 <br />Cottonwood 486 0 0 <br />Ponderosa Pine 34,475 5 10 <br />White pine 149 0 0 <br />Aspen 1575 0 0 <br />Poles <br />(8" diameter & under) <br />Spruce & fir 11,313 2 3 <br />DouQlas-fir; White fir 4,427 1 1 <br />Ponderosa pine 6,776 1 2 <br />Cottonwood 37 0 0 <br />White oine 223 0 0 <br />Aspen 7,838 1 2 <br />Seedlings & Saplings <br />(4" diameter & under) <br />Ponderosa pine 670 0 0 <br />Spruce & Fir 9,021 1 3 <br />Aspen 1,401 0 0 <br /> <br />TOTAL <br /> <br />153,848 <br /> <br />22 <br /> <br />43 <br /> <br />The remaining 192,022 acres of forested land are not presently available for commercia' <br />harvest and other timber management activities, such as thinning, because of excessive road <br />construction costs, logging techniques and equipment are not available or are too expensive, <br />or inclusion in New Study Areas. <br />