Cole, Grenville A. J. 1859-1924. Aids in practical geology, by Grenville A. J. Cole. With numerous illustrations. - London, Philadelphia, J. B. Lippincott company C. Griffin and company; [pref. 1890] - xiv, 402 p. illus., diagrs. 20 cm. Contains bibliographies. LCCN: gs 14000485 Subjects--Topical Terms: Geology--Textbooks. LC Class. No.: QE26 / .C66 1890