Arnott, M. H. The construction of drain gauges at Pusa. - Calcutta Printed by Thacker, Spink & co., 1907. - 1 p. l., p. [59]-77. xx pl. 25 cm. LCCN: agr11001808 Subjects--Topical Terms: Drain-gages. LC Class. No.: S279 / .A45 v. 1, no. 5