Articles:

Armand John Eardley and Robert Alchin Hatch

Proterozoic (?) rocks in Utah
Geological Society of America Bulletin 1940 v. 51, p. 795-843. [Abstract]  

Ernst Cloos

Crustal shortening and axial divergence in the Appalachians of southeastern Pennsylvania and Maryland
Geological Society of America Bulletin 1940 v. 51, p. 845-872. [Abstract]  

Lewis Don Leet

Status of geological and geophysical investigations on the Atlantic and Gulf Coastal Plain
Geological Society of America Bulletin 1940 v. 51, p. 873-886. [Abstract]  

Esper Signius Larsen

Petrographic province of central Montana
Geological Society of America Bulletin 1940 v. 51, p. 887-948. [Abstract]  

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