Reference | {Deposit:: DIETRICH, R.V., 1954, GEOLOGY OF THE PILOT MOUNTAIN AREA, VIRGINIA: BULLETIN OF THE VIRGINIA POLYTECHNIC INSTITUTE, ENGINEERING EXPERIMENT STATION SERIES NO. 91, V. 47, NO. 4, 32 P.}{Deposit:: FONTAINE, W.M., 1883-84, NOTES ON THE GEOLOGY AND MINERAL RESOURCES OF THE FLOYD, VA., PLATEAU: THE VIRGINIAS, V. 4, P. 167, 178-180, 185-192; V. 5, P. 8-12.}{Deposit:: 1953 GEOLMAP VA. ENG. EXPT. STAT.: MAPPED AREA} |