Gopher-hole barite mining in Washington County, Missouri Read more about Gopher-hole barite mining in Washington County, Missouri
The story of barytes, where and how it is found and its importance in the world's industries [with] Illustrations from oil paintings and sketches from life in the foothills of the Ozark mountains, Washington County, Missouri, by Oscar E. Berninghaus Read more about The story of barytes, where and how it is found and its importance in the world's industries [with] Illustrations from oil paintings and sketches from life in the foothills of the Ozark mountains, Washington County, Missouri, by Oscar E. Berninghaus
Geology of the disseminated lead deposits of St. Francois and Washington Counties Read more about Geology of the disseminated lead deposits of St. Francois and Washington Counties
The lead mines of Washington Co., Missouri Read more about The lead mines of Washington Co., Missouri
