00882cam a2200253 4500 gs 66000322 DLC 20260227111420.0 690708s1967 dcua b 00010 eng c gs 66000322 //r983 U.S. Geol. Survey. Library DLC DLC TC801 .U2 no. 1849 GB1215 .B37 Copy 2. 551.4/83 Barnes, Harry H. (Harry Hawthorne), 1925- Roughness characteristics of natural channels, by Harry H. Barnes, Jr. Washington, U.S. Govt. Print. Off., 1967. vi, 213 p. illus. (part col.) 24 cm. Geological Survey water-supply paper ; 1849 Bibliography: p. 210. Channels (Hydraulic engineering) Frictional resistance (Hydrodynamics) Stream measurements United States. 30283 30283