(1986). Mineral resource potential for copper, lead, zinc and combined base metals in the Charlotte 1 ̊x 2 ̊quadrangle, North Carolina and South Carolina. U.S. Geological Survey.
Chicago-Zitierstil (17. Ausg.)Mineral Resource Potential for Copper, Lead, Zinc and Combined Base Metals in the Charlotte 1 ̊x 2 ̊quadrangle, North Carolina and South Carolina. Denver, CO: U.S. Geological Survey, 1986.
MLA-Zitierstil (9. Ausg.)Mineral Resource Potential for Copper, Lead, Zinc and Combined Base Metals in the Charlotte 1 ̊x 2 ̊quadrangle, North Carolina and South Carolina. U.S. Geological Survey, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.