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GENERAL31070
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Last modified
8/24/2016 7:48:27 PM
Creation date
11/23/2007 6:52:20 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981023
IBM Index Class Name
General Documents
Doc Date
3/14/2003
Doc Name
Proposed Decision & Findings of Compliance for RN4
Permit Index Doc Type
Findings
Media Type
D
Archive
No
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Average summer relative humidity is estimated to be 34 percent. This is associated with increased <br />rainfall received during the warmer months. The average annual relative humidity is 20 percent. <br />Wind direction is predominantly from the southwest. <br />Soil: Soil types within the permit azea include the following mapping units: Carracas variant - <br />Peney variant, Celacy vaziant loam, Munn variant loam, and a paralithic clay shale -sandstone - <br />cazbonaceous shale -rock outcrop complex. <br />The pazalithic material is unsuitable for reclamation purposes; all other mapped soil units have <br />suitable topsoil material with recommended stripping depths ranging from 5 to 56 inches. <br />Vegetation: The east side of the permit area is dominated by a mountain shrub plant community, <br />with Gambel's Oak being the predominant species. The predominance of Gambel's Oak is expected <br />in this azea given past disturbances, elevation, moisture and exposure. A small portion ofthe permit <br />azea is introduced pasture and utilized by the landowner for grazing purposes. <br />The west side of the permit area, which includes the Barren Ridge and Federal Lease Areas, is <br />dominated by a spazse pinon juniper plant community. The dominant plants in this community are <br />Gambel's Oak and pinon pine. Grasses and forbs comprise less than 15 percent of the total <br />vegetative cover in these areas. <br />Wildlife: Wildlife information is found in Section 2.04-35 of the Permit. Mining operations have <br />had very limited impact on fish and wildlife populations. Stollsteimer Creek supports vazious species <br />of aquatic biota during the late spring and early summer months. Colorado Suckers and varieties of <br />trout can be seen migrating downstream during those months. Low water levels during other times of <br />the yeaz prevent the establishment of continuous significant populations of such species. Stollsteimer <br />Creek is not considered a natural fisheries stream by the Colorado Division of Wildlife. <br />Lands encompassed by the permit azea, as well as the azea to be affected over the life of the <br />operation, aze not of a size which will adversely affect resident wildlife populations. In addition, <br />there are no lands within the permit of adjacent azeas which can be considered critical habitat, winter <br />range or calving grounds for vazious wildlife species. Elk, mule deer, beaz, bobcats, coyotes, <br />cottontail rabbits, beaver and vazious other rodent species, raptors, passerine birds, water fowl and <br />numerous reptilian species are known to inhabit the general area. <br />No rare or endangered species of fish and wildlife aze known to be endemic to the permit azea or azea <br />to be affected over the life of the operation. Peregrine falcons (Ealco peregrinus) nest on Chimney <br />Rock which is approximately two miles north of the area and have been seen using the raptor perches <br />constructed at the site for use in rodent control. <br />Land Use: Land use information is found in Section 2.05-15. The pre-mine land use ofthe azea was <br />rangeland/wildlifeand irrigated pasture. The condition of range and wildlife is considered poor due <br />to the absence of soil over much of the area. Vegetative productivity was and is very low. <br />Productivity of the irrigated pasture is much higher. <br />4 <br />
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