Lake Superior Paper - The Fire-Clays of Missouri
- Organization:
- The American Institute of Mining, Metallurgical, and Petroleum Engineers
- Pages:
- 15
- File Size:
- 573 KB
- Publication Date:
- Jan 1, 1905
Abstract
It may surprise some of our members to learn, that, among the industries based on the mineral resources of the United . States, clay now ranks third, being exceeded in value of product only by pig-iron and coal. The present annual value of clay-products exceeds the value of the outputs of gold or silver, and also exceeds the combined values of copper, leacl, zinc, aluminum, mercury, antimony and nickel. These facts are shown in Table I. which gives the statistics for the year 1902 :
Citation
APA: (1905) Lake Superior Paper - The Fire-Clays of Missouri
MLA: Lake Superior Paper - The Fire-Clays of Missouri. The American Institute of Mining, Metallurgical, and Petroleum Engineers, 1905.