Articles:

Carl Colton Branson

Pennsylvanian formations of central Wyoming
Geological Society of America Bulletin 1939 v. 50, p. 1199-1225. [Abstract]  

Clinton Raymond Stauffer, George Melvin Schwartz, and George Alfred Thiel

Saint Croixian classification of Minnesota
Geological Society of America Bulletin 1939 v. 50, p. 1227-1243. [Abstract]  

Alvin Leonard Lugn

Classification of the Tertiary system in Nebraska
Geological Society of America Bulletin 1939 v. 50, p. 1245-1275. [Abstract]  

A. J. Eardley

Structure of the Wasatch-Great Basin region
Geological Society of America Bulletin 1939 v. 50, p. 1277-1310. [Abstract]  

Charles Elijah Decker

Two Lower Paleozoic groups, Arbuckle and Wichita Mountains, Oklahoma
Geological Society of America Bulletin 1939 v. 50, p. 1311-1322. [Abstract]  

Henry Dewey Thompson

Drainage evolution in the Southern Appalachians
Geological Society of America Bulletin 1939 v. 50, p. 1323-1356. [Abstract]  

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