Historical Files from Federal Government Mineral Exploration-Assistance Programs, 1950 to 1974

By David G. Frank

U.S. Department of the Interior
SALLY JEWELL, Secretary

U.S. Geological Survey
Suzette M. Kimball, Director
U.S. Geological Survey, Reston, Virginia: 2016

Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

Although this information product, for the most part, is in the public domain, it also may contain copyrighted materials as noted in the text.
Permission to reproduce copyrighted items must be secured from the copyright owner.