LOWER SILURIAN SYSTEM OF EASTERN MONTGOMERY CO. 445 
A® Black calcareous shale seen mainly in brown- 
weathered fragments in the slopes of the upper part 
of Van Epp’s hill, and in a few places only is evi- 
dence of stratification preserved. Utica shale. 229’==614’ 
This section has been studied by several field parties from Union 
college and the measurements above given are for the most part 
the result of several careful surveys of the section. The 
VAN EPPS HILL 
WILLIAM L. FISHER. 
TOP OF HILL 
UTICA 
COVERED 
2 [| Sa a ant one a Jae BLACK RIVER AND TRENTON 
Ears, TOP OF CALC/FEROUS 
FUCOIDAL 8Y ROADS/DE 
PARTLY 
COVERED 
CALCIFEROVS CLIFF 
COVERED 
RIVER LEVEL 
thickness of Calciferous is 350 feet measured in a nearly vertical 
line so that the error from dip is slight. As the gneiss does not 
appear in this region the total thickness of Calciferous here can not 
be ascertained. It is however much thicker than any previous 
estimates have indicated though probably not so thick as at 
