Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Robert F. Lundgren"'
Autor:
Timothy T. Bartos, Steven K. Sando, Todd M. Preston, Gregory C. Delzer, Robert F. Lundgren, Rochelle A. Nustad, Rodney R. Caldwell, Zell E. Peterman, Bruce D. Smith, Kathleen M. Macek-Rowland, David A. Bender, Jill D. Frankforter, Joel M. Galloway
Publikováno v:
Scientific Investigations Report.
Publikováno v:
Scientific Investigations Report.
Autor:
Robert F. Lundgren, Roy Sando, T. B. Barnhart, Ryan R. McShane, Joshua F. Valder, Janet M. Carter
Publikováno v:
Scientific Investigations Report.
Autor:
Kevin C. Vining, Robert F. Lundgren
Publikováno v:
Data Series.
Publikováno v:
Scientific Investigations Report.
Publikováno v:
Scientific Investigations Report.
Publikováno v:
Fact Sheet.
The U.S. Geological Survey (USGS), in cooperation with the Standing Rock Sioux Tribe, conducted a reconnaissance study to determine the occurrence of emerging contaminants in water and bed sediment within the Missouri River upstream and downstream fr
Autor:
Robert F. Lundgren, Rochelle A. Nustad
Publikováno v:
Scientific Investigations Report.
Autor:
Robert F. Lundgren, Kevin C. Vining
Publikováno v:
Fact Sheet.
Summary Sixty-five sampling sites, selected by a statistical design to represent lengths of perennial streams in North Dakota, were chosen to be sampled for water chemistry and mercury in fish tissue to establish unbiased baseline data. From the asse
Autor:
Robert F. Lundgren, Kevin C. Vining
Publikováno v:
Fact Sheet.
Summary Sixty-five sampling sites, selected by a statistical design to represent lengths of perennial streams in North Dakota, were chosen to be sampled for fish and aquatic insects (macroinvertebrates) to establish unbiased baseline data. Channel ca