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  2. Hydrologic unit system (United States) - Wikipedia

    en.wikipedia.org/wiki/Hydrologic_unit_system...

    The 10-digit watersheds were delineated to be between 40,000 and 250,000 acres in size, and the 12-digit subwatersheds between 10,000 and 40,000 acres. [5] In addition to the hydrologic unit codes, each hydrologic unit was assigned a name corresponding to the unit's principal hydrologic feature or to a cultural or political feature within the ...

  3. Hydrological code - Wikipedia

    en.wikipedia.org/wiki/Hydrological_code

    A hydrological code or hydrologic unit code is a sequence of numbers or letters (a geocode) that identify a hydrological unit or feature, such as a river, river reach, lake, or area like a drainage basin (also called watershed in North America) or catchment.

  4. craigslist - Wikipedia

    en.wikipedia.org/wiki/Craigslist

    Craigslist headquarters in the Inner Sunset District of San Francisco prior to 2010. The site serves more than 20 billion [17] page views per month, putting it in 72nd place overall among websites worldwide and 11th place overall among websites in the United States (per Alexa.com on June 28, 2016), with more than 49.4 million unique monthly visitors in the United States alone (per Compete.com ...

  5. Watershed delineation - Wikipedia

    en.wikipedia.org/wiki/Watershed_delineation

    Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin.It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution.

  6. New England water resource region - Wikipedia

    en.wikipedia.org/wiki/New_England_Water_Resource...

    Basin size 73,753 sq mi (191,020 km 2 ) The New England water resource region is one of 21 major geographic areas, or regions , in the first level of classification used by the United States Geological Survey to divide and sub-divide the United States into successively smaller hydrologic units .

  7. Lake Tapps - Wikipedia

    en.wikipedia.org/wiki/Lake_Tapps

    A diversion dam on the White River, near Buckley, routes water into a flume which empties into the east side of Lake Tapps. On the west side of the reservoir, water had originally been routed to the Dieringer Powerhouse to generate hydroelectricity , after which the water was returned to the White River, about 20 miles (32 km) downstream from ...