H. C. Schwalen

Pumping Equipment for Water Supplies

H. C. Schwalen, 1928 .

Evapotranspiration During Sprinkler Irrigation

K. R. Frost, H. C. Schwalen, 1960 .

Sprinkler Evaporation Losses

K. R. Frost, H. C. Schwalen, 1953 .

Rainfall and Runoff in the Upper Santa Cruz River Drainage Basin

H. C. Schwalen, 1942 .