C. J. Velz

Industrial Waste Disposal Tailored to Stream Flow

C. J. Velz, 1959 .

Report on natural purification capacities Willamette River

C. J. Velz, 1951 .

Deoxygenation and Reoxygenation

C. J. Velz, 1938 .

Applied Stream Sanitation

C. J. Velz, Clarence J. Velz, 1970 .

RIVER-QUALITY ASSESSMENTS1

C. J. Velz, P. E. Greeson, D. Rickert, 1977 .