Publication Search

Publications by Zapp, Alfred

Title Publication Year Sort ascending Abstract Author Series Publisher
Barite in northern Llano County 1941

This report gives the results of a study of barite deposits on the adjoining Freeman and Hillsmeier properties in northern Llano County, where a small tonnage of residual barite has been mined or "gophered" during recent years.

Zapp, Alfred Mineral Resource Survey Circulars