Nitrogen contamination sources in shallow ground water, Las Vegas Area, Nevada /
Nitrogen contamination sources in shallow ground water, Las Vegas Area, Nevada /
by John W.Hess, Ralph O.Patt.
- Las Vegas : University of Nevada System, 1977.
- 60 p. ; 28 cm.
- Technical report series H-W n0.32 .
Nitrates.
Nitrates.
