Yazar
Timothy K Cowdery
3 cilt bulundu.
Cilt sonuçları
Ground-water quality in the Red River of the North Basin, Minnesota and North Dakota, 1991-95
Timothy K Cowdery · U.S. Dept. of the Interior, U.S. Geological Survey
15 sayfa · 1998
Water-supply / Groundwater / Water quality
Shallow ground-water quality beneath cropland in the Red River of the North Basin, Minnesota and North Dakota, 1993-95
Timothy K Cowdery · U.S. Dept. of the Interior, U.S. Geological Survey
52 sayfa · 1997
Water-supply / Groundwater / Quality
Water resources of the Prairie Island Indian Reservation, Minnesota, 1994-97
Timothy K Cowdery · Branch of Information Services [distributor]
36 sayfa · 1999
Water / Water quality / Pollution