Aspen Journalism Vehicles and machinery sit outside the entrances to the marble galleries of the Pride of America Mine in January. Local governments and environmental groups want the quarry operators to undertake mitigation projects to compensate for moving a creek, which violated the Clean Water Act. Mike Stevens/EcoFlight Local governments and environmental groups don’t think a proposal submitted by a mining company goes far enough to restore the damage done when the company diverted a section of creek near Marble, and they are asking the U.S. Army Corps of Engineers to hold a public hearing to address various concerns.