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2009-03-02_PERMIT FILE - C1980004 (5)
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2009-03-02_PERMIT FILE - C1980004 (5)
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Last modified
8/24/2016 3:44:00 PM
Creation date
3/31/2009 2:27:12 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1980004
IBM Index Class Name
Permit File
Doc Date
3/2/2009
Section_Exhibit Name
Appendix R Stability Evaluation of Proposed Gob Wastepile
Media Type
D
Archive
No
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7.0 REFERENCES <br />Cashion, W.B., (1973). Geo%gic and Structure Map of the Grand unction Quadrangle, <br />Co%rado and Utah, United States Geological Survey Map I-?36. <br />Rocscience (2004). Slide 2D limit equilibrium slope stabi/ity for soil and rock slopes, version <br />S.OZ7, Rocscience, Inc., 2004. <br />8.0 CLOSING CONSIDERATIONS <br />Standard of Care and Interpretation of Subsurface Data <br />This report has been prepared in a manner consistent with local Standards of professional <br />geotechnical engineering practice. The classification of soils, interpretation of subsurface <br />conditions, and material properties are based on our training and years of experience, but is <br />necessarily based on limited subsurface observation and testing. As such, inferred ground <br />conditions cannot be guaranteed to be exact. No other warranty, ~cpress or implied, is made. <br />Use of This Report <br />This report is intended for use by McClave Canyon Mining LLC specifically to address the site <br />and subsurface conditions as they relate to the proposed gob pile described in this report. <br />Changes to the site or proposed construction plans may alter or invalidate the conclusions and <br />recommendations contained herein. <br />Buckhorn Geotech retains an ownership and property interest in this report. Consistent with <br />the industry, copies of this document that may be relied upon by M9cClane Canyon Mining LLC <br />are limited to printed copies (also known as hard copies) that are signed and sealed by the <br />Geotechnical Engineer (Standard Form ofAgreement Between Ow~aer and Geotechnical <br />Engineer for Professiona/Services, Engineer's Joint Contract Docurraents Committee, 1996). <br />Any conclusions or information obtained or derived from electronic files, data, or graphics will <br />be at the user's sole risk. This report together with ancillary data, analyses, test results, and <br />other components and/or supporting parts are not intended or represented to be suitable for <br />reuse by McClave Canyon Mining LLC or others on extensions to this project or on any other <br />project. Any such reuse or modification invalidates all aspects of the report and excuses the <br />Geotechnical Engineer for all responsibility and liability or legal e~gpmsure. <br />Retention of Samples <br />Samples of soil and rock collected during the course of our geotedh~~nical investigation(s) are <br />routinely held in our laboratory for a period of three months from the date of the investigation, <br />then discarded. A written request by the client is required for samples to be stored for a longer <br />period. <br />On-going strength testing and in-situ moisture/density testing of the compacted gob material <br />may be warranted to ensure that the assumptions made in this evaluation are valid. If gob <br /> <br />McClave Canyon Mine stability report <br />Project #07-334-GEO <br />Page 14 of 15 <br />
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