Books by J. A. Bownocker
Glass sands and molding sands
Glass sands and molding sands
Analyses of the coals of Ohio
Analyses of the coals of Ohio
The coal fields of the United
The coal fields of the United States
Mineral industries of Ohio
Mineral industries of Ohio
Building stones of Ohio
Salt deposits and the salt industry in Ohio
The paleontology and stratigra
The paleontology and stratigraphy of the Corniferous rocks of Ohio