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Riprap causes morphological changes in the riverbeds they surround. One such change is the reduction of sediment settlement in the river channel, which can lead to scouring of the river bed as well as coarser sediment particles.
Poster by Albert M. Bender, produced by the Illinois WPA Art Project Chicago in 1935 for the CCC CCC boys leaving camp in Lassen National Forest for home. The Civilian Conservation Corps (CCC) was a voluntary government work relief program that ran from 1933 to 1942 in the United States for unemployed, unmarried men ages 18–25 and eventually expanded to ages 17–28. [1]
R/P FLIP (floating instrument platform) is an open ocean research platform [3] [6] that was owned by the U.S. Office of Naval Research (ONR) and operated by the Scripps Institution of Oceanography. [7]
The cost of the superstructure was $35,500, the cost of the substructure was $35,415.46, and the cost of the filling and riprapping was $2384.21. The King Bridge Company was in charge of building the bridge's superstructure and Joseph Hendler was in charge of building the substructure. [1]
The Works Progress Administration (WPA) worked in the park building the foot and vehicle bridges and other small projects from December 1935 to April 1936. A National Park Service Camp began working in the park in June 1936 and remained until April 1937 or possibly into early 1938. [ 3 ]
Contour plowing, Pennsylvania, 1938 "Contour bunding", Catalonia, 2007. Contour plowing or contour farming is the farming practice of plowing and/or planting across a slope following its elevation contour lines.
Strip farming in Wisconsin, 1957. Strip cropping is a method of farming which involves cultivating a field partitioned into long, narrow strips which are alternated in a crop rotation system.
TenThousand Projects, LLC, doing business as 10K Projects (formerly Strainge Entertainment), [1] is an American record label founded in 2016 by British record executive Elliot Grainge. [ 2 ] History