10th U.S. International Championships and Final Tryouts for 1970 World Shooting Championships, Phoenix, AZ. Photo – P.450.346 – Margaret holding her rifle which is resting on a cushion on a tripod – caption: World Champion Army Capt. Margaret Thompson-Murdock, Topeka, KS, takes a momentary break during Three-Position Smallbore Rifle Competition at the 10th U.S. International Shooting Championships, Captain Murdock was a Gold Medalist in rifle competition at the 1966 World Championship at Wiesbaden, Germany. Bulletin – Weather conditions, Competitor list, and Results. In Smallbore Free Rifle, Margaret Murdock finished 5th, 3-day total score 3397 – Lones Wigger had the top score of 3419. In Ladies Standard Rifle, Margaret Murdock finished 1st, 3-day total score 1694. Free Rifle, M. Murdock finished 2nd, 3-day total score 3359 – Lones Wigger was 1st with 3388. 300 Meter Free Rifle Postal Team 3-Position, Wigger Writer, Murdock, Foster, and Kimes, team total 5647.`