When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. List of rivers of the United States by discharge - Wikipedia

    en.wikipedia.org/wiki/List_of_rivers_of_the...

    All rivers with average discharge more than 15,000 cubic feet per second are listed. Estimates are approximate, because data are variable with time period measured and also because many rivers lack a gauging station near their point of outflow.

  3. Watersheds of Illinois - Wikipedia

    en.wikipedia.org/wiki/Watersheds_of_Illinois

    Watersheds of Illinois is a list of basins or catchment areas into which the State of Illinois can be divided based on the place to which water flows.. At the simplest level, in pre-settlement times, Illinois had two watersheds: the Mississippi River and Lake Michigan, with almost the entire State draining to the Mississippi, except for a small area within a few miles of the Lake.

  4. List of aquifers in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_aquifers_in_the...

    Kirkwood–Cohansey Aquifer, is located under the Pine Barrens (New Jersey) of southern New Jersey, contains 17 trillion US gallons (64 km 3) of some of the purest water in the United States. Mahomet Aquifer supplies water to some 800,000 people in central Illinois and contains approximately four trillion US gallons (15 km 3) of water.

  5. National Lidar Dataset (United States) - Wikipedia

    en.wikipedia.org/wiki/National_Lidar_Dataset...

    Currently, the best source for nationwide LiDAR availability from public sources is the United States Interagency Elevation Inventory (USIEI). [1] The USIEI is a collaborative effort of NOAA and the U.S. Geological Survey, with contributions from the Federal Emergency Management Agency, the Natural Resources Conservation Service, the US Army Corps of Engineers, and the National Park Service.

  6. Embarras River (Illinois) - Wikipedia

    en.wikipedia.org/wiki/Embarras_River_(Illinois)

    Map of the Embarras River highlighted within the Wabash River watershed. The Embarras River rises in Champaign County.The upper reaches of the Embarras include the detention ponds near the intersection of Windsor Road with U.S. Route 45 in southeastern Champaign; the southern portion of the University of Illinois campus, including the small creek near the Vet Med Building; and Meadowbrook Park ...

  7. Hydrologic unit system (United States) - Wikipedia

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

    Aquifers of the United States are organized by national principal aquifer codes and names assigned by the National Water Information System (NWIS). Aquifers are identified by a geohydrologic unit code (a three-digit number related to the age of the formation) followed by a 4 or 5 character abbreviation for the geologic unit or aquifer name.

  8. United States Geological Survey - Wikipedia

    en.wikipedia.org/wiki/United_States_Geological...

    Georeferenced map images are available from the USGS as digital raster graphics (DRGs) in addition to digital data sets based on USGS maps, notably digital line graphs (DLGs) and digital elevation models (DEMs). In 2015, the USGS unveiled the topoView website, a new way to view their entire digitized collection of over 178,000 maps from 1884 to ...

  9. Category:Bodies of water of Illinois by county - Wikipedia

    en.wikipedia.org/wiki/Category:Bodies_of_water...

    Bodies of water of Cook County, Illinois (2 C, 3 P) Bodies of water of Crawford County, Illinois (1 C) Bodies of water of Cumberland County, Illinois (1 C, 1 P)