Now showing items 1-6 of 6

    • Control Methods For Aquatic Plants in Ponds and Lakes 

      Helfrich, Louis A.; Neves, Richard J.; Libey, George S., 1942-; Newcomb, Tammy J. (Virginia Cooperative Extension, 2009-05-01)
      Explains the negative impacts that can occur from dense growths (over 25% of the surface area) of aquatic plants in ponds and lakes and provides practical methods of management of these plants.
    • An Examination Of Water Quality Impacts On Lake Manassas 

      Gorrie, Jason Robert (Virginia Tech, 2007-04-26)
      Lake Manassas is a man-made impoundment in the Northern Virginia suburbs of Washington, D.C. The lake currently supplies drinking water at an average rate of 10.5 million gallons per day to the City of Manassas, Virginia. ...
    • Guide to Understanding and Managing Lakes. Part I (Physical Measurements) 

      Helfrich, Louis A. (Louis Anthony), 1942-; Parkhurst, James A. (James Albert); Neves, Richard J. (Virginia Cooperative Extension, 2005-09-01)
      Examines factors that affect the health of recreational lakes such as eutrophication and a lake's physical limnology and defines the purpose of a lake management survey.
    • Lake Junealuska, North Carolina 

      Palmer, Earl (Virginia Tech. Digital Library and Archives; Virginia Tech. University Libraries. Special Collections Department, 2005-05-17)
    • Liming Acidified Lakes and Ponds 

      Helfrich, Louis A.; Neves, Richard J.; Parkhurst, James A. (James Albert) (Virginia Cooperative Extension, 2009-05-01)
      Explains why liming is used in lakes and ponds to protect from acidification, to add calcium, and to restore their ecological, economic, and recreational values and provides information on how to properly apply lime.
    • A Limnological Analysis of Lake Manassas, with an Updated Baseline Through 2010 

      Crile, Patrick (Virginia Tech, 2013-04-23)
      Lake Manassas is an approximate 706 acre man-made lake located in greater Prince William County near the town of Gainesville, Virginia. The lake was created in 1968 on Broad Run to serve as the primary water supply for the ...