"Heavy minerals North Carolina Shelby Region." . . "Crystalline rocks North Carolina Shelby Region." . . . . . "A study of the use of resistate heavy minerals in geologic fieldwork in areas underlain by thoroughly weathered rocks."@en . "Heavy minerals in the saprolite of the crystalline rocks in the Shelby quadrangle, North Carolina" . . "Heavy minerals in the saprolite of the crystalline rocks in the Shelby quadrangle, North Carolina"@en . "Heavy minerals in the saprolite of the crystalline rocks in the Shelby quadrangle, North Carolina : a study of the use of resistate heavy minerals in geologic fieldwork in areas underlain by thoroughly weathered rocks" . . . . . . . . . . . . . . . "Contributions to economic geology"@en . . . . . "Geological Survey (U.S.)," . . . . "Mineralogy North Carolina Shelby Region." . .