The Nevada Appeal's Silver Dollars & Wooden Nickels feature recognizes positive achievements from the capital region and, when warranted, points out others that missed the mark.SILVER DOLLAR: To Don Bently’s everlasting footprint on Carson Valley. Bently, who passed away on Monday, was a philanthropist, an entrepreneur and, most of all, a gentleman. Bently, a pioneer in the advancement of alternative fuels, created thousands of jobs in the valley. SILVER DOLLAR: To the Lake Tahoe Aquatic Invasive Species Program for taking the fight to Asian clams in Lake Tahoe’s Emerald Bay. According to the Associated Press, scientists will place barriers in …