TY - BOOK AU - Bassler,Ray S. AU - Eckel,Edwin C. TI - The cement resources of Virginia,: west of the Blue Ridge, AV - QE173 .A2 PY - 1909/// CY - Charlottesville PB - University of Virginia KW - Cement KW - Virginia N1 - At head of title: Virginia geological survey. University of Virginia; Bibliography: p. 294-296 ER -