Economic limit of pumping for irrigation
Powers, W.L.
Economic limit of pumping for irrigation - Corvallis 1928 - 1-48 p. - Economic, Irrigation Oregon Agricultural Experiment Station. Station Bulletin No. 235 .
Economic limit of pumping for irrigation - Corvallis 1928 - 1-48 p. - Economic, Irrigation Oregon Agricultural Experiment Station. Station Bulletin No. 235 .