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

The incredible story of the creation of a continent—our continent— from the acclaimed author of The Last Volcano and Mask of the Sun. The immense scale of g

Allow yourself to be taken back into deep geologic time when strange creatures roamed the Earth and Western North America looked completely unlike the modern la

1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation

1785/1918 includes material issued previously in the annual Bibliography of North America geology, and in cumulative volumes issued by N. H. Darton and F. B. We