Summaries of the major features of the geology of North America and the adjacent oceanic regions are presented in 20 chapters. Topics covered include concise re

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

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

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