Dugway Proving Ground by Marquam & Co - 1965

Lubbock: Marquam & Co., 1965. Book. Very Good. Large Paper Bound/ Stiff Cover. I feel sure this is an unauthorized, perhaps evasion of official recognition product. Date is guess, I find none. Cover gives title as "Unofficial Directory and Guide Dugway Proving Ground." And referencing, though seemingly in no way associated with the U.S. Army Test & Evaluation Command. Large format, stiff covered, stapled, saddle stitch style pamphlet. Mild wear, one mild crease, no bad creasing, 18+ pages..