Drainage and improvement of wet land /
by W.L. Powers.
APA Citation
Powers, W. L (Wilbur Louis). (1931). Drainage and improvement of wet land. [Corvallis, Or.]: Agricultural Experiment Station, Oregon State Agricultural College.
MLA Citation
Powers, W. L (Wilbur Louis), 1887-. Drainage And Improvement of Wet Land. [Corvallis, Or.]: Agricultural Experiment Station, Oregon State Agricultural College, 1931.
Warning: These citations may not always be complete (especially for serials).