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2020-08-20_GENERAL DOCUMENTS - C1980007
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2020-08-20_GENERAL DOCUMENTS - C1980007
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Last modified
1/26/2025 3:06:00 AM
Creation date
8/27/2020 1:35:50 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
General Documents
Doc Date
8/20/2020
Doc Name Note
For RN7
Doc Name
Proposed Decision and Findings of Compliance
From
DRMS
To
Mountain Coal Company, LLC
Permit Index Doc Type
Findings
Email Name
LDS
JDM
Media Type
D
Archive
No
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percent of the study area, 8) Sagebrush, comprising six percent of the study area; 9) Wet <br /> Meadow, comprising one percent of the study area, distinguished by open boggy areas along <br /> major drainages above 7,000 feet and openings in brushy or forested areas at elevations above <br /> 8,000 feet, occupied by herbaceous species such as sedges and false hellebore; 10) Dry Meadow, <br /> comprising one percent of the study area which is dominated by various shrub species such as <br /> snowberry, Douglas rabbitbrush, and Gambel oak; 11) Barren Terrain, comprising less than one <br /> percent of the study area which was identified by no apparent vegetation cover; 12) Chained <br /> Area, comprising less than one percent of the study area, is so named because the area has been <br /> mechanically treated by chaining to remove tall shrub species and has been trenched along the <br /> contours and planted to ponderosa pine; 13) Reservoir, comprising less than one percent of the <br /> study area and includes Beaver Reservoir and Minnesota Reservoir; 14) Residential, comprising <br /> less than one percent of the study area and includes the town of Somerset; 15) Industrial, <br /> comprising less than one percent of the study area which includes the Elk Creek Mine, the Bear <br /> No. 3 Mine, railroad sidings, and mine vents; and 16) Agricultural, comprising less than one <br /> percent of the study area. <br /> The two vegetation types that occur within the area to be affected by surface facilities are a dry <br /> meadow type and a moist, mixed shrub type. <br /> In 1996, a baseline vegetation study of the Sylvester Gulch facilities area was conducted. The <br /> report is presented in Exhibit 32A of the permit document. The study area for the baseline <br /> survey incorporated the lower drainage basin of Sylvester Gulch from the mine access road south <br /> approximately 1.75 miles along the drainage. The three lower drainage branches of Sylvester <br /> Gulch were included. The study area was a linear corridor, including the drainage bottom, <br /> terraces and sideslopes, averaging 300 feet wide. The study area also included the steep slope <br /> west of the Sylvester Gulch channel and north of the Dry Meadow Reference Area. <br /> Five major vegetation communities were identified in the Sylvester Gulch facilities expansion <br /> area: oakbrush, aspen, riparian, dry meadow, and Douglas fir communities. The first three of <br /> these communities were sampled for vegetative cover, vegetative productivity, woody plant <br /> density and species composition. The dry meadow community was found to be significantly <br /> altered by cattle grazing within the study area. Since this community had been sampled <br /> previously, no further data was collected. The Douglas fir community was anticipated to be <br /> impacted to a minor degree with disturbance in this community limited to less than five percent <br /> of the affected area. Therefore, no quantitative data was collected for the Douglas Fir <br /> community. <br /> Additional information on vegetation in the PR-14 project area is contained in the copy of the <br /> Federal Environmental Impact Statement for the Deer Creek Shaft and E Seam Methane <br /> Drainage Wells Project which can be found in Exhibit 79 of the permit application. <br /> With PR-15, Map 42 was updated to provide information about the vegetation communities in <br /> the expanded permit area. <br /> 22 <br />
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