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2012-02-28_REVISION - M1980244 (97)
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2012-02-28_REVISION - M1980244 (97)
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Last modified
8/24/2016 4:49:13 PM
Creation date
3/9/2012 12:41:39 PM
Metadata
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Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
REVISION
Doc Date
2/28/2012
Doc Name
VOL. 3, Appendex 3: Baseline Technical Report
From
CRIPPLE CREEK & VICTOR GOLD MINING COMPANY
To
DRMS
Type & Sequence
AM10
Email Name
TC1
Media Type
D
Archive
No
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Baseline Technical Report <br />ARCADIS Report for Soils and Biological <br />Resources, MLE2 Project Area <br />open to dense (50 to 70 percent), depending on the amount of time that has passed <br />since reclamation. Noxious weeds are present where native vegetation has not been <br />completely re- established. <br />3.10 Noxious Weeds <br />Noxious weeds are primarily associated with disturbed areas and alongside roads. <br />The most commonly noted species is yellow toadflax (Linaria vulgaris), with lesser <br />amounts of Canada thistle, musk thistle (Carduus nutans), oxeye daisy <br />(Chrysanthemum leucanthemum), bull thistle, cheatgrass (Anisantha tectorum), and <br />Dalmatian toadflax. These species do not presently appear to be displacing native <br />vegetation. Several of these species were probably introduced to the area as <br />ornamentals (toadflax and ox -eye daisy), or by livestock (thistles and cheatgrass). <br />3.11 Potential Impacts to Vegetation Resources <br />The project footprint should be limited to the proposed project boundary to the <br />greatest extent feasible as to avoid unanticipated impacts to native vegetation. <br />Reclamation performance standards per Rule 3 of the Mineral Rules and Regulations <br />of the Colorado Mined Land Reclamation Board (CMLRB) for Hard Rock, Metal, and <br />Designated Mining Operations (CMLRB 2010) should be implemented for post - <br />mining use. Per this rule, CC &V will need to choose how the affected lands will be <br />reclaimed (and how to avoid introduction of noxious weeds to the site), and the <br />results of these decisions will need to be formulated into a Reclamation Plan. <br />Reclamation measures per section 3.1.5 of CMLRB mining rules and regulations <br />(CMLRB 2010) should be implemented. <br />A delineation of potential wetlands and other waters of the U.S. for the areas of new <br />disturbance included in the MLE2 Project of the Cresson Project by CC &V was <br />completed in July of 2011. Wetlands and other waters are regulated under Section <br />404 of the Clean Water Act (CWA) and authorization (a Section 404 permit) is <br />required for the placement of dredged and fill material into them. No wetlands or <br />other waters regulated under Section 404 were found in any of the study areas. The <br />lack of these features is due to the relatively small watersheds, well drained soils, <br />steep slopes, and only moderate precipitation of the study areas. <br />Disturbances to the prevailing hydrologic balance of the affected land and <br />surrounding area and to the quantity or quality of water in surface and groundwater <br />systems should be minimized per measures as described in Section 3.1.6 (Water — <br />General Requirements) of the CMLRB mining ruling and regulations (CMLRB 2010). <br />CCV Baseline Soils Biology Resource Report (11- 17- 11).doc 15 <br />
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