5 books
The Brown Hematite Deposits of the Siluro-Cambrian Limestones of Lehigh County, Lying Between Shimersville, Millerstown, Schnecksville, Ballictsville, and the Lehigh River (Classic Reprint)
The Brown Hematite Deposits of the Siluro-Cambrian Limestones of Lehigh County; Lying Between Shimersville, Millerstown, Schnecksville, Ballictsville, and the Lehigh River Volume 13
The Brown Hematite Deposits of the Siluro-Cambrian Limestones of Lehigh County Volume 2; Lying Between Shimersville, Millerstown, Schnecksville, Ballietsville, and the Lehigh River
A Treatise on Ore Deposits ... Translated from the second German edition by Frederick Prime ... Revised by the author. With numerous illustrations.
The Brown Hematite Deposits of the Siluro-Cambrian Limestones of Lehigh County