The year 1935 proved to be the most productive for the mines with the Max Delta being the fourth largest producer of gold in the United States, yielding 1,423 ounces. Mining has always been a contentious issue at South Mountain Park, subject to a procession of lawsuits and legal challenges. By 1993, the City of Phoenix received the deeds to the remaining patented claims on the property, and set about rehabilitating the land...