277 Crown Point Section ii 



In his paper on the Upper Ordivician faunas of the Cham- 

 plain Valley* (1899) Theo. G. White ogives a short notice of this 

 secflion. The thickness of the Black River limestone he states as 

 71 feet, 3 inches, and of the Trenton 100 feet. 



•Bull. Geol. Soc. Am., 1899. 



