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Bulletin No. 292 
Series 0, Systematic Geology and Paleontology, 78 
DEPARTMENT OF THE INTERIOR 
UNITED STATES GEOLOGICAL SURVEY 
CHARLES D. WALCOTT, Director 
THE 
BRYOZOAN FAUNA OF THE 
ROCHESTER SHALE 
BY 
RAY S. BASSLER 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
190 6 
