Marr, J. E. 1857-1933. Agricultural geology, by J. E. Marr. - London, Methuen & Co., 1903. - xi, 318 p., 1 l., front. (map.) illus., diagrs. 20 cm. LCCN: agr03000952 Subjects--Topical Terms: Geology. LC Class. No.: QE28 / .M35