TY - BOOK AU - Furcron,A.S. TI - James river iron and marble belt, Virginia, T2 - Virginia. Geological survey. Bulletin 39 AV - QE173 .A2 no. 39 PY - 1935/// CY - University, Va. KW - Mines and mineral resources KW - Virginia KW - Geology, Economic KW - Petrology N1 - At head of title: Commonwealth of Virginia. State commission on conservation and development; Bibliography: p. 113-116 ER -