Agricultural geology,
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.
agr03000952
Geology.
QE28 / .M35
Agricultural geology, by J. E. Marr. - London, Methuen & Co., 1903. - xi, 318 p., 1 l., front. (map.) illus., diagrs. 20 cm.
agr03000952
Geology.
QE28 / .M35