exhaustible resources. Portions of her work involve dynamic optimization modeling. She has held a variety of professional appointments, including as an economic and geologic analyst for the American Welding Society, the Homestake Mining Company, and the Natural Gas Corporation of California. In 1994, she received the Outstanding Research Achievement Award from the Naval Postgraduate School.


Carol A. Dahl is a professor in the Division of Economics and Business and director of the Joint International Degree Program in Petroleum Economics and Management at the Colorado School of Mines. Her research centers on international energy markets, government energy policy, and energy market modeling and forecasting techniques. She received a Ph.D. in economics from the University of Minnesota and a B.A. in economics from the University of Wisconsin.


Thomas Elam is the helium program manager for NASA fluids management and the technical representative for consolidated helium contracts for NASA. He received a B.S. in mechanical engineering from Rutgers University. Mr. Elam coordinates technical issues of the NASA helium contracts with NASA helium use locations and the helium supply companies. He follows the market conditions affecting availability and costs of helium and communicates supply and cost threats to NASA programs and customers. Mr. Elam is the NASA technical liaison for the BLM helium program and commercial helium suppliers.


Allen M. Goldman (NAS) is Regents Professor of physics at the University of Minnesota. He received an A.B. in chemistry and physics from Harvard University and a Ph.D. in physics from Stanford University. Dr. Goldman’s research interests are the properties of superconductors and selected magnetic materials in the configuration of thin films. Dr. Goldman received the Fritz London Memorial Prize for low-temperature physics in 2002. Dr. Goldman is a fellow of the American Physical Society and the American Association for the Advancement of Science and a member of the National Academy of Sciences.


Norman E. Hartness is an independent consultant for EOP Group, Inc., a natural resources and environmental policy consulting firm. In this capacity, he contributes economic and policy analysis in a variety of natural resources areas. Mr. Hartness retired from the Office of Management and Budget (OMB) as special assistant (economic analysis) to the OMB’s deputy associate director for the Natural Resources Division. In this position he provided technical consultation and other assistance to budget examiners throughout the Natural Resources Division in designing and implementing cost benefit studies, special studies, and other policy analyses. Mr. Hartness worked on programs in all areas of Division responsibility: agricultural, environmental, civil works, and Department of Interior programs. He



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