Articles:

Nicholas Hunter Heck

Earthquakes and the western mountain region
Geological Society of America Bulletin 1938 v. 49, p. 1-21. [Abstract]  

William Drumm Johnston

Vein-filling at Nevada City, California
Geological Society of America Bulletin 1938 v. 49, p. 23-33. [Abstract]  

Thomas Seward Lovering and Edwin Newell Goddard

Laramide igneous sequence and differentiation in the Front Range, Colorado
Geological Society of America Bulletin 1938 v. 49, p. 35-68. [Abstract]  

Theodore Sidney Jones

Geology of Sierra de la Pena and paleontology of the Indidura Formation, Coahuila, Mexico
Geological Society of America Bulletin 1938 v. 49, p. 69-149. [Abstract]  

Beno Gutenberg and Charles Francis Richter

Depth and geographical distribution of deep-focus earthquakes
Geological Society of America Bulletin 1938 v. 49, p. 249-288. [Abstract]  

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