Division of Economics and Business Professor Graham Davis, who specializes in mineral asset valuation and economic development of mineral-based economies, contributed to the Casper Star-Tribune story, "The challenges of change: Diversification may prove difficult for Wyoming." From the story: Colorado School of Mines professor Graham Davis said that if the Cowboy State was going to become a hub for non-extractive industries, that already would have happened. “I can tell you there have been many, many regions and nations that have tried to diversify away from natural resources through planning ....