Articles:

John Thomas Stark and Virgil George Sleight

Stratigraphy of the Knife Lake series in the Kekequabic-Ogishkemuncie area, Minnesota
Geological Society of America Bulletin 1939 v. 50, p. 1029-1041. [Abstract]  

Cornelius Searle Hurlbut

Igneous rocks of the Highwood Mountains, Montana; Part 1, The laccoliths; with section on structure and mechanism of intrusion, by David Tressell Griggs
Geological Society of America Bulletin 1939 v. 50, p. 1032-1112. [Abstract]  

Edward Dewey Wilson

Pre-Cambrian Mazatzal revolution in central Arizona
Geological Society of America Bulletin 1939 v. 50, p. 1113-1163. [Abstract]  

Bradford Willard and Arthur Bailey Cleaves

Ordovician-Silurian relations in Pennsylvania
Geological Society of America Bulletin 1939 v. 50, p. 1165-1198. [Abstract]  

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