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REV98876
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REV98876
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Entry Properties
Last modified
8/25/2016 3:22:52 AM
Creation date
11/22/2007 12:22:12 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981018
IBM Index Class Name
Revision
Doc Date
10/10/1995
Doc Name
DESERADO MINE C-81-018 TR 38
From
DMG
To
BARBARA PAVLIK
Type & Sequence
TR38
Media Type
D
Archive
No
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III IIIIIIIIIIIIIIII <br />999 <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources ~~~~~ <br />1311 Sherman St .Room 215 <br />Denver, Colorado A0203 <br />Phone: 1303) 866 1567 <br />FA%: 13031 A3?-AIOG <br />DEPARTMENT OF <br />DATE: October 10,1995 NATURAL <br />RESOURCES <br />TU: Barbara Pavlik Roy Romer <br />Governor <br />FROM: SUSan BUrgmaler Tames S. Lochhead <br />&ecmne Dueaor <br />RE: Deserado Mine (C-81-018) """nde'" `°"s <br />Division Director <br />Technical Revision 38 <br />I got a little more information from Dave Anderson (via fax) on TR 38. He answered the <br />location question. He did not however, provide an answer to my second issue, which was: <br />2. The map portion showing the approximate location of SDH #6 does not coincide with <br />the location shown on Map 138. Please update Map 138 to include the proposed location <br />of SDH #6. <br />So that comment still applies. After reviewing the submittal, I also have the following <br />comments: <br />1. The clean water diversion around the drill pad site is referred to as a V-Ditch, and is <br />shown as a V-ditch on Map 148. The design, however, is for a trapezoidal ditch. Please <br />clarify which is correct, and make the design, description, and illustration consistent. <br />2. The SEDCAD+® runs for the pond design are missing the "Subwatershed/Structure <br />Input/Output" tables for hydrology and sedimentology of the 25-year, 24-hour storm. <br />Please provide the tables. <br />3. The pond spillways are sized for flows significantly greater than storm runoff. It would <br />appear that WF y is anticipating discharge from the drill hole. Please Qrovide the <br />Division with an estimate of the expected quantity and duration of flow. This information <br />should also be included in the permit application package. <br />si,e~imossc.wr <br />
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