Reference | {Deposit:: POR IS BALATIMORE MD}{Deposit:: MANGANESE-1977/GILBERT L. DEHUFF AND THOMAS S. JONES.}{Deposit:: (WASHINGTON): U.S. DEPT. OF THE INTERIOR, BUREAU OF}{Deposit:: MINES, 1977, P. 2.}{Deposit:: PRODUCES SYNTHETIC MANGANESE DIOXIDE.}{Deposit:: # POR IS BALTIMORE, MD} |