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THOMAS c ‘CHAMBERLIN AND ROLLIN D. “SALISBURY _ 
. With the Active Collaboration Of neta: Pana anes ee ee 
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SAMUEL W. WILLISTON eR ts ALBERT JOHANNSEN- ere & 
Vertebrate BelGOnsasers on eres punk" Petrology. ai ‘es 
STUART WELLER ———s—“<ié‘iéSS~”~~(C. OROLLIN T. CHAMBERLIN oe 
mbnivertcbnates Paleontology aes Dynamic Geology i pee te " 
_ ALBERT D. BRORAW# 19930 sigue tts. cleuoun etapa aegimaanaas 
Economic Geology Re sata fio ein Saas 
The Journal of Cele is Sinisa by the University of Ghienes. ae the Touivensit yy Preece semi- ily 
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