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  2. Citron - Wikipedia

    en.wikipedia.org/wiki/Citron

    Map of inferred original wild ranges of the main Citrus cultivars, and selected relevant wild taxa [10] The citron is an old and original citrus species. [11] There is molecular evidence that most cultivated citrus species arose by hybridization of a small number of ancestral types: the citron, pomelo, mandarin and, to a lesser extent, papedas ...

  3. United States Environmental Protection Agency - Wikipedia

    en.wikipedia.org/wiki/United_States...

    The Environmental Protection Agency (EPA) is an independent agency of the United States government tasked with environmental protection matters. [2] President Richard Nixon proposed the establishment of EPA on July 9, 1970; it began operation on December 2, 1970, after Nixon signed an executive order. [3]

  4. Buffalo National River - Wikipedia

    en.wikipedia.org/wiki/Buffalo_National_River

    The Buffalo National River, in Northern Arkansas, was the first National River to be designated in the United States. The Buffalo River is 153 miles (246 km) long. The lower 135 miles (217 km) flow within the boundaries of an area managed by the National Park Service, where the stream is designated the Buffalo National River. [2]

  5. Citrus - Wikipedia

    en.wikipedia.org/wiki/Citrus

    Citrus is a genus of flowering trees and shrubs in the family Rutaceae. Plants in the genus produce citrus fruits, including important crops such as oranges, mandarins, lemons, grapefruits, pomelos, and limes . Citrus is native to South Asia, East Asia, Southeast Asia, Melanesia, and Australia.

  6. Arkansas Valley (ecoregion) - Wikipedia

    en.wikipedia.org/wiki/Arkansas_Valley_(ecoregion)

    The Arkansas Valley is a Level III ecoregion designated by the Environmental Protection Agency (EPA) in the U.S. states of Arkansas and Oklahoma.It parallels the Arkansas River between the flat plains of western Oklahoma and the Arkansas Delta, dividing the Ozarks and the Ouachita Mountains with the broad valleys created by the river's floodplain, occasionally interrupted by low hills ...

  7. Lake Hamilton and Lake Catherine - Wikipedia

    en.wikipedia.org/wiki/Lake_Hamilton_and_Lake...

    September 4, 1992. Lake Hamilton and Lake Catherine are a pair of man-made lakes located in Hot Springs, Arkansas, serving as a tourist attraction for the area. Both lakes were developed by Arkansas Power & Light. The lakes were built as part of Federal Project #271 a hydroelectric development for creating hydroelectric dams. [3] Lake Catherine.

  8. Green Forest, Arkansas - Wikipedia

    en.wikipedia.org/wiki/Green_Forest,_Arkansas

    05-28600. GNIS feature ID. 2403736 [3] Website. greenforestar .net. Green Forest is a city in Carroll County, Arkansas, United States. The population was 2,972 at the 2020 census.

  9. Second-generation biofuels - Wikipedia

    en.wikipedia.org/wiki/Second-generation_biofuels

    The term second-generation biofuels is used loosely to describe both the 'advanced' technology used to process feedstocks into biofuel, but also the use of non-food crops, biomass and wastes as feedstocks in 'standard' biofuels processing technologies if suitable. This causes some considerable confusion. Therefore it is important to distinguish ...