As a program leader he made penguin navigational studies on the Ross Ice Shelf, the interior of Victoria Land, and elsewhere in Antarctica in 1962–63.

Named by US-ACAN for biologist J. Linsley Gressitt, Program Director who made biological studies, particularly in the Ross Sea area, in six austral summers, 1959–60 to 1965–66.

A nunatak near the north extremity of Emlen Peaks, 2 miles (3.2 km) northwest of Mount Cox, in the Usarp Mountains.

Named by US-ACAN for Alien N. Cox, ADJ2, USN, crew chief in R4D (Skytrain) aircraft during 1962–63 in support of the USGS Topo East-West survey.

Named by US-ACAN for Walter H. Dodd of the Public Information Office, National Science Foundation, who worked at McMurdo Station in the 1966–67 and 1967-68 austral summers.

A granite nunatak (2,080 m) near the center of the Emlen Peaks, 5 miles (8.0 km) northwest of Mount Phelen, in the Usarp Mountains.