Yazar
t b spruill
13 cilt bulundu.
T. B Spruill · U.S. Geological Survey, Water Resources Division
32 sayfa · 1982
Water / Groundwater / Nitrates / Nitrogen content
T. B Spruill · U.S. Geological Survey
Sayfa sayısı yok · 1997
Environmental aspects / Environmental aspects of Nitrates / Groundwater / Nitrates / Nitrogen content
T. B Spruill · Open-File Services Section, Western Distribution Branch, U.S. Geological Survey
Sayfa sayısı yok · 1984
Environmental aspects / Environmental aspects of Lead mines and mining / Groundwater / Lead mines and mining / Pollution
T. B Spruill · U.S. Dept. of the Interior, U.S. Geological Survey
41 sayfa · 1993
Groundwater / Sediments (Geology) / Water quality
T. B. Spruill · U.S. Geological Survey
40 sayfa · 2006
Suspended sediments / Nutrient pollution of water
T. B Spruill · U.S. Dept. of the Interior, U.S. Geological Survey
36 sayfa · 1998
National Water-Quality Assessment Program (U.S.) / Water quality
T. B. Spruill · Free on application to the U.S. Geological Survey, Information Services
36 sayfa · 1998
Water quality
T. B. Spruill · U.S. Dept. of the Interior, U.S. Geological Survey
Sayfa sayısı yok · 1997
Groundwater
T. B Spruill · Open-File Services Section, Western Distribution Branch, U.S. Geological Survey]
Sayfa sayısı yok · 1983
Water / Water chemistry / Composition / Water quality
T. B Spruill · Books and Open-File Reports [distributor]
53 sayfa · 1990
Water / Water quality / Pollution
T. B Spruill · Dept. of the Interior, U.S. Geological Survey
41 sayfa · 1991
Quality / Hydrogeology / Groundwater / Water quality