Mezzo Buttress [SEP] continent
Mezzo Buttress
Mezzo Buttress () is a rocky buttress at the head of Barilari Bay just east of Lawrie Glacier, on the west coast of Graham Land, Antarctica. It was charted by the British Graham Land Expedition under John Rymill, 1934–37, and was so named by the UK Antarctic Place-Names Committee in 1959 because the face of this buttress is conspicuously divided diagonally, half being composed of black rock and the other half of red rock, "mezzo" being an Italian word meaning "half".
Range, the "East Face" of The Moose's Tooth, the "Moonflower Buttress" on Mount Hunter, and a one-day solo of Denali's "Cassin Ridge".
Climber Conrad Anker credits Stump as an influential climbing mentor in the film Meru. 
Stump along with his geologist brother contributed to field safety for the United States Antarctic Program scientists and other working on the continent for the National Science Foundation.
The Mugs Stump Alpine Climbing Award for aspiring alpine climbers is named in his honor.