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Open channel applications include bank stabilization, flow and grade control, scour protection for bridge piers, and biostabilization. The primary mechanism of protection employed is an increase in the relative roughness of the channel bank (as characterized by the Manning's Roughness Coefficient ); the Manning's n is relatively high at 0.1.
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.
The four stages of conservation include stabilization, cleaning, repair, and restoration. Stabilization is the minimum level of treatment needed to slow deterioration. [55] This can include wrapping or containing the object in an archival box, or making a custom one, as well as some basic structural repairs. [56]
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This list of the most commonly challenged books in the United States refers to books sought to be removed or otherwise restricted from public access, typically from a library or a school curriculum. This list is primarily based on U.S. data gathered by the American Library Association 's Office for Intellectual Freedom (OIF), which gathers data ...
The Roots of Rap is a Junior Library Guild book. [5] Kirkus Reviews and the New York Public Library named it among the best picture books of 2019, [6] [7] and the Chicago Public Library named it among the year's Best Informational Books for Younger Readers. [8] Booklist also included it on their 2019 list of the "Top 10 Arts Books for Youth". [9]
Bangin' on Wax is the debut album by American hip hop group Bloods & Crips. [2] [3] The album was released in 1993 by Dangerous Records. [4]Bangin' on Wax peaked at No. 86 on the Billboard 200 albums chart. [5]
Provisions of the 1933 Banking Act that were later repealed or replaced include (1) Sections 5(c) and 19, which required an owner of more than 50% of a Federal Reserve System member bank's stock to receive a permit from (and submit to inspection by) the Federal Reserve Board to vote that stock (replaced by the Bank Holding Company Act of 1956 ...