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Figure 3. Western end of Stewart quarry, Rockland, showing the 
upper part of the Lowville, all of the Leray beds, and the lowest 
section of the Trenton. The krwer white line indicates the 
contact of the Lowville and Leray beds of the Black River, 
the upper white line indicates the contact of the Leray and 
lowest Trenton formations. 
