West Elk Mine
<br />HydroGeology Solutions, Inc.
<br />Paul Holder, PG, President
<br />Mayo and Associates, Salt Lake City, UT:
<br />Dr. Alan L. Mayo, Ph.D., Registered Geologist/Principal
<br />Associated publications:
<br />• Mayo, A.L., Morris, T.H., Peltier, S., Petersen, E.C., Payne, K., Holman,
<br />L.S., Tingey, D., Fogel, T., Black, B.J., and Gibbs, T.D., 2004, Active and
<br />inactive groundwater flow systems: Evidence from a stratified,
<br />mountainous terrain; Geological Society of America, Bulletin, v. 115, p.
<br />1456-1472.
<br />Mayo, A.L., and Koontz, W., 2000, Fracture flow and groundwater
<br />compartmentalization in the Rollins Sandstone, Lower Mesaverde Group,
<br />Colorado, USA: Hydrogeology Journal, v. 8. p. 430-446.
<br />Mountain Coal Company, LLC, Somerset, CO:
<br />Wendell Koontz, Registered Geologist
<br />Michael Peacock, P.E., Mine Engineer
<br />Mark Scanlon, Registered Geologist
<br />Casey Smith, Registered Geologist
<br />Jessica (Loveland) Wilczek, P.E., Environmental Specialist
<br />Wright Water Engineers, Inc., Denver & Glenwood Springs, CO:
<br />Kenneth R. Wright, P.E., Principal Engineer/CFO
<br />Jonathan Jones, CEO
<br />Jonathan M. Kelly, Vice President/ Sr. Water Resources Engineer
<br />Gary D. Witt, P.G., Vice President/Sr. Hydrogeologist/Geological Engineer
<br />C. Richard Dunrud, P.E., Engineering Geologist
<br />Ernest Pemberton, P.E., Adjunct Scientist, former Head of Sedimentation & River
<br />Hydraulics Section, U.S. Bureau of Reclamation
<br />E. Robert Weiner, Ph.D., Environmental Scientist
<br />Tetra Tech, Salt Lake City, UT:
<br />Michael Egan, P.G. Senior Geologist
<br />Chris Hayes, Geologist
<br />Tom Grey, Mine Engineer
<br />Government Agencies & Specialists Consulted.
<br />Bureau of Land Management, Montrose, CO:
<br />Lynn Lewis, Geologist
<br />Desty Dyer, Mining Engineer
<br />Grand Mesa, Uncompahgre, and Gunnison National Forests, Paonia & Delta, CO:
<br />Andrea Wang, Range Conservationist
<br />Terry Hughes, Soils Specialist
<br />Rev. 11/04, 03/06- PR10; 09/07- PR12; 10/08- PR14; 01/16- MR415, 03/17- MR421; 07/18- PR15
<br />2.03-3
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