Contains -- "Martin Classification of Difficulty for U.S. State Highpoints."
Thomas P. Martin*
Has completed 49.8 of 50 U.S. State Highpoints
The original source for this article is "Highpointing - Summiting United States Highpoints" in Future Focus, Ohio Journal of Health, Physical Education, Recreation, and Dance, 28:1:29-33, Spring/Summer, 1997.
The article was revised, updated and published as "Highpointing - Summiting United States Highpoints for Fun, Fitness, Friends, Focus and Folly" in World Leisure & Recreation, 40:34-38, 1998.