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GENERAL54873
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Last modified
8/24/2016 8:40:00 PM
Creation date
11/23/2007 9:53:22 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
General Documents
Doc Date
6/23/1981
Doc Name
Proposed Decision and Findings of Compliance
Permit Index Doc Type
Findings
Media Type
D
Archive
No
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,~ <br />3 <br />VI. Hydrologic Balance: Ground FJater (2.04.5, 2.04.7, 2.05.3(4), 2.05.6(3), 4.05) <br />The following problems were identified in the review and have been partially <br />or fully resolved: <br />1 - The spring location map in the original permit application, Exhibit <br />2.8.1.8 was illegible. Also, those springs which are perennial were <br />not differentiated from those springs which are ephemeral. The applicant <br />submitted a new spring location map, Exhibit 2.8.1.U, which clearly show <br />topography and the location of perennial and ephemeral springs. <br />2 - The applicant was requested to submit to the Division a map of the permit <br />and adjacent areas which was to have the locations of a21 springs super- <br />imposed on a map of known landslides, rockfalls, and lineaments. The <br />applicant supplied this map as Exhibit 2.8.1. V, Spring location versus <br />Topography, Landslides, Rock Fa11s, and Lineaments. The applicant was <br />requested to produce a table keyed to the above map and a discussion <br />of the occurance and source of water flowing in springs in the permit <br />and adjacent areas. This material was submitted a5 Table 2.8.I.V, <br />Springs in and Around Five Year Mine Plan, Mt. Gunnison and as ammended <br />pages 2-252 to 2-255b within the permit application. Finally the <br />applicant was requested to field check the data presented on the above <br />map and table once the weather was suitable for field work. To date the <br />field survey of springs has not been submitted to the Division. The <br />above information was requested to establish a baseline on source, <br />occurance, and flow rates of springs. In the event that impacts occur <br />on the spring flows (i.e. reduction or cessation), the applicant will be <br />able to determine what type of springs are being effected by mining. This <br />information then could be used to more accurately predict the consequences <br />of mining on spring flora in subsequent permit areas within the mine plan. <br />The following stipulation is required of the applicant in order that the <br />above study be completed and the data reported to the Division in a timely <br />manner. <br />~Stipula ti on: THE APPLICANT SHALL CONDUCT A FIELD SURVEY OF ALL SPRINGS <br />BETfJEEN THE DRY FORK OF MINNESOTA CREEK AND THE NORTH FORK OF THE GUNNISON <br />TO CONFIRM SOURCES OF SPRING DISCHARGES ( I.E. FAULTS, FRACTURES, LAND- <br />SLIDES, ROCK FALLS, AND BEDDING CONTACTS) AND THE GEOLOGIC UNITS FROM <br />f•7HICH THEY EM1IANATE. THE APPLICANT SHALL PREPARE AND SUBPI7T TO THE DIVISION <br />A REPORT h77TH AnnnOP3IA TE :MAPS, ~`J`?:BL::S, ~ AND DISCUSSION WITHIN 6 MONTHS OF •THE <br />PERMIT ISSUING FOR INCLUSION 6JITHIN THE PERMIT APPLICATION. <br />3 - The direction and gradient of ground water flow within the F-seam and the <br />Barren Member of the Mesa Verda Formation were not mapped or included within <br />the permit application. Since ground water in these strata will potentially be <br />impacted, the applicant was requested to produce a water level countour map <br />usinc water 1e•.-els in the Barren .'.'ember moniterino wells ar~d elevations of <br />s __ s _,-. ~ e Barren :!e::~er. This ~~ap cras submitted by the applicant as <br />..:...b t 2. E.2..:, Co-rosite 3arrer. .._..___ ,.el _' ;rater Le vei and Sorinc <br />The following problems were identified in the review and have not yet been <br />resolved: <br />
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