| Reference | {Deposit:: PRATT, J.H., 1916, ZIRCON, MONAZITE AND OTHER MINERALS USED IN THE PRODUCTION OF CHEMICAL COMPOUNDS EMPLOYED IN THE MANUFACTURE OF LIGHTING APPARATUS: NORTH CAROLINA GEOL. AND ECON. SURVEY BULL. 25, 120 P}{Deposit:: 1916 COMPILE PRATT, N.C. GEOL & ECON SURVE} |