Michael Hart
Since 1989, Michael J. Hart has been working as an independent  consultant to the aggregate mining industry, specializing in the areas  of resource management and environmental compliance with particular  emphasis on permitting, water resources, land use planning, and wetlands  regulation. He is the principal of Hart Environmental. 
				      
Before entering the consulting field, Hart worked for the  Colorado-based Flatiron Companies. As vice-president of Flatiron Sand  and Gravel Company, he worked in resource management, environmental  compliance, public relations, and strategic planning. Mike has been  actively involved in the National Aggregates Association, the National  Stone Association, and the Colorado Stone, Sand & Gravel  Association. He is past president of the Colorado Rock Products  Association. 
