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  2. Lepidium meyenii - Wikipedia

    en.wikipedia.org/wiki/Lepidium_meyenii

    Lepidium meyenii, known as maca or Peruvian ginseng, is an edible herbaceous biennial plant of the family Brassicaceae that is native to South America in the high Andes mountains of Peru and Bolivia. It was rediscovered for commercial purposes at the Meseta de Bombón plateau close to Lake Junin in the late 1980s. [ 1 ]

  3. List of areas in the United States National Park System

    en.wikipedia.org/wiki/List_of_areas_in_the...

    Avi Kwa Ame National Monument (not an official NPS unit) Nevada: NPS manages roughly 50,000 acres (200 km 2) of 506,814 acres (2,051.00 km 2) Aztec Ruins National Monument: New Mexico: 318.40 acres (1.2885 km 2) Bandelier National Monument: New Mexico: 33,676.67 acres (136.2846 km 2) Belmont–Paul Women's Equality National Monument: District ...

  4. List of national parks of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_national_parks_of...

    Official website of the National Park Service (NPS) Find a park (NPS) Visitor use statistics (NPS) The National Parks: America's Best Idea by PBS; America's Natural Heritage - The Essential Guide to the National Parks by The Washington Post; List of National Parks by State

  5. List of fee areas in the United States National Park System

    en.wikipedia.org/wiki/List_of_fee_areas_in_the...

    The NPS considered that these changes, which would increase entrance fees from $25 to $75, were appropriate because they only targeted the most popular parks, which already have entrance fees. [8] However, there was a nearly unanimous public backlash against this proposal; many families felt this would prohibit them from being able to visit the ...

  6. List of abbreviations in oil and gas exploration and production

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    NPS – nominal pipe size (sometimes NS) NPSH(R) – net-positive suction head (required) NPT – Non-Productive Time (used during drilling or well intervention operations mainly, malfunction of equipment or the lack of personnel competencies that result in loss of time, which is costly) NPV – net present value; NRB – not required back

  7. Mammoth Cave National Park - Wikipedia

    en.wikipedia.org/wiki/Mammoth_Cave_National_Park

    Tourists inside the cave. The park's mission is stated in its foundation document: [7] The purpose of Mammoth Cave National Park is to preserve, protect, interpret, and study the internationally recognized biological and geologic features and processes associated with the longest known cave system in the world, the park’s diverse forested karst landscape, the Green and Nolin rivers, and ...

  8. National Park Service - Wikipedia

    en.wikipedia.org/wiki/National_Park_Service

    The National Park Service (NPS) is an agency of the United States federal government, within the US Department of the Interior.The service manages all national parks; most national monuments; and other natural, historical, and recreational properties, with various title designations.

  9. List of the United States National Park System official units

    en.wikipedia.org/wiki/List_of_the_United_States...

    Counting methodology is rooted in the language of a park's enabling legislation. Furthermore, the NPS contributes resources to "affiliated areas" which do not fall under its administration, and these do not count toward the official list number. An example is Oklahoma City National Memorial.