Northern Prairie Wildlife Research Center
The U.S. Environmental Protection Agency, through Interagency Agreement Reference No. D W1493554101, and the U.S. Fish and Wildlife Service, through Reference No.14-48-0009-92-1929, co-sponsored this research. We thank Lewis Cowardin for designing the sampling frame. John Freeland and Lynn Foss obtained litter cores. Thomas Buhl and Thomas Sklebar photographed the wetlands and provided logistical support. Jane Austin and Gary Krapu kindly reviewed the manuscript.
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/wetlands/vegindic/acknowle.htm
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Menlo Park, CA [caww54]
