Linda Gordan from Hamilton AFB, and then Los Angeles, California, posed for 81 covers, 56 photosets, and 25 videos, before retiring in 1988.
Boobpedia:
Linda Gordon was one of the most frequently photographed and published nudes during the late 1970s and early 1980s. During one year alone (1977), she featured in such magazines as Candid (January), Male (January), Cavalcade (February), Rascal (March), For Men Only (June), Guys and Gals (June), Cavalier (July), Best For Men (summer), Mr. (November), Man's Delight (December), and others. Gordon also often appeared in Gem, Gent and other big-tit magazines. And along the way she made a number of video clips, in color and black-and-white.