Thb American Geologist, Vol. XXVIII. 
Plat XXXI. 
Fig. 9. Mass by highway, 3 miles west of Lockport. 
Tig. 10. Reef appearing above the soil in a field in the western edge of 
Lockport. 
Fig. 11. Reef appearing in quarry, north side of N. Y. C. R. R.. about 
one and one-half miles west of Lockport station. Diameter 'J4 feet. 
REBF STRUCTURES IN LOCKPORT LIMESTONE. 
