Geology of the gold-pyrite belt of the northeastern Piedmont, Virginia,
by John T. Lonsdale.
- University, Va. [Charlottesville, The Mitchie company, printers] 1927.
- xii p., 1 l., 110 p. incl. illus., tables, diagrs. 9 pl. (incl. fold. col. map) 23 cm.
- Virginia. Geological survey. Bulletin 30 .