David A. Stith

• An evaluation of "Newberry" analysis data on the Brassfield Formation (Silurian), southwestern Ohio
• Chemical composition, stratigraphy, and depositional environments of the Black River Group (Middle Ordovician), southwestern Ohio
• Limestone and dolomite availability in the Ohio River Valley for sulfur sorbent use, with observations on obtaining reliable chemical analyses
• Mercury concentrations in sediments of the Lake Erie basin, Ohio
• Potential use of Ohio limestones and dolomites for architectural aggregate
• Supplemental core investigations for high-calcium limestones in western Ohio and discussion of natural gas and stratigraphic relationships in the Middle to Upper Ordovician rocks of southwestern Ohio