WACO, TX.- There is no more enduring symbol of how the Old West became part of the New World than the American railroad, with its steam-powered “iron horses” that linked East to West. It is the lifelong fascination with early trains and the culture that surrounded them that inspired the late Roy Gay’s 65-year collection of railroadiana, which will be auctioned in its entirety on March 10-11. A&S Antique Auction Co., specialists in Western Americana, will conduct the sale of the approximately 2,000-piece single-owner collection at its Waco, Texas gallery, with Internet live bidding through LiveAuctioneers.com. “Mr. Gay, who passed away on January 11th of this year, gave his whole working life of 40-plus years to the Union Pacific Railroad. He was an auditor for the company and traveled a three-state region in the course of his job, so that opened all the necessary doors to acquire railroad relics. When a depot closed down, he would know about it and be in a po