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Table S-I Comparison of Alternatives Alternative 1 Alternative 2 No Action Proposed Action Maximum of 106 acres of aspen and Forest 0 acres disturbed 3 acre of spruce-fir disturbed Some seasonal modification of recreational user's activity and access during the construction and operation of Recreation No impact the methane drainage. Opportunities for semi-primitive motorized and non- motorized activities would be negatively impacted Road use associated with the Inventoried Roadless previously approved methane 0.6 miles of upgraded OHV access and Area drainage activities would ~2.5 miles of new road within IRA continue Short term decreases in available AUMs Grazing No impact and potential long tens increase in forage at reclamation sites in Gambel oak types 6.8 miles of upgraded roads and -19 miles Roads No impact of new road, short term and periodic access restrictions on NFSR 711 Impacts on Visual Quality N i t Effects are consistent with partial Objectives o mpac retention VQO Impacts to Class I No impact No impact Airsheds Gaseous emissions (NOZ, No effect beyond current levels 36,000 pounds per year SOS, and CO) Greenhouse gas No additional emissions Less than 0.1% concentrations 50 meters (methane) emissions from the source Fugitive dust No impact 32,000 pounds per year or less Minimal effect on surface water quality, Impacts to surface water 13 new stream crossings, -6 acres of new flows and surface water No effect and upgraded road disturbance in water quality, and riparian influence zone with a maximum of 18 habitat acres of riparian vegetation disturbance Impacts to ground water levels and ground water No effect No effects on ground water quality or quality quantity I~~ 1 5-14 Deer Creek Ventilation Shaft and E Seam Methane Drainage Wells DEIS ,