A compilation of the new formal geologic names introduced into the literature from 1981 to 1985 in the United States and Puerto Rico.

Issue identified as 1935 covers names used through Dec. 1935.

A compilation if the new geologic names introduced into the literature from 1976 to 1980 in the United States, Puerto Rico, Panama Canal Zone, and American Samo

A compilation of the new geologic names introduced into the literature from 1961-1967 in the United States, its possessions, the Trust Territory of the Pacific