14 
BULLETIN OF THE LABORATORIES 
Fig. 2. GROUPED SECTIONS FROM GRANVILLE TO NEWTON. 
Franklin and Hopewell townships are very rough and are inter, 
sected in^ every direction by valleys. Flint Ridge, the highest por_ 
tion of the county, furnishes the best continuous section of the coal- 
measures. In the southeastern part of Madison township are several 
hills which reach within 200 feet of the top of Flint Ridge, i. e . , to 
beyond the base of the coal-measures sandstone. In the northeastern 
part of Franklin township are several hills exposing various parts of 
the coal-measure series which seems to dip rather strongly to the south. 
The coal at Flint Ridge occupies a small local basin and cannot be ex- 
