582 P.2d 158 DEPARTMENT OF REVENUE, Appellant, v. SOUTHERN UNION GAS COMPANY, a corporation and Division One of the State Board of Tax Appeals, Appellees. No. 13338-PR.Supreme Court of Arizona. May 23, 1978. Appeal from the Superior Court, Maricopa County, Cause No. 301735, A. Melvin McDonald, Jr., J. Page 513 John A. LaSota, Jr., Atty. […]