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31Northern Basin and Range (ecoregion) — The Northern Basin and Range ecoregion is a Level III ecoregion designated by the United States Environmental Protection Agency (EPA) in the U.S. states of Oregon, Idaho, Nevada, Utah, and California. It contains dissected lava plains, rolling… …
32Northern Basin and Range ecoregion — This article is about the ecoregion designated by the EPA. For the associated geographical feature, see Great Basin. Level III ecoregions in the Pacific Northwest. The Northern Basin and Range (80) borders the Sierra Nevada (5), Eastern Cascades… …
33Zuiderzee Works — The 32 km Afsluitdijk separates the IJsselmeer (right) from the Wadden Sea (left), protecting thousands of km² of land. The Zuiderzee Works (Dutch: Zuiderzeewerken) are a manmade system of dams, land reclamation and water drainage works, the… …
34Landslide mitigation — Landslides can be triggered by many often concomitant causes. In addition to shallow erosion or reduction of shear strength caused by seasonal rainfall, causes triggered by anthropic activities such as adding excessive weight above the slope,… …
35Shear strength (soil) — Shear strength in reference to soil is a term used to describe the maximum strength of soil at which point significant plastic deformation or yielding occurs due to an applied shear stress. There is no definitive shear strength of a soil as it… …
36drain — {{Roman}}I.{{/Roman}} noun 1 pipe/hole that dirty water goes down ADJECTIVE ▪ blocked (esp. BrE), clogged (AmE) ▪ storm VERB + DRAIN ▪ block (esp. BrE), clog …
37Derbyshire lead mining history — Goodluck Mine in Via Gellia. This article details some of the history of lead mining in Derbyshire, England. Contents 1 …
38Civil engineering and infrastructure repair in New Orleans after Hurricane Katrina — This article covers the levee system and infrastructure repairs in New Orleans, Louisiana following Hurricane Katrina. Hurricane Katrina …
39Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
40irrigation and drainage — ▪ agriculture Introduction artificial application of water to land and artificial removal of excess water from land, respectively. Some land requires irrigation or drainage before it is possible to use it for any agricultural production; other… …
