Nitrate in ground water in the Great Valley carbonate subunit of the Potomac River Basin /
by Matthew J. Ferrari and Scott W. Ator.
APA Citation
Ferrari, M. J., Ator, S. W., Geological Survey (U.S.). (1995). Nitrate in ground water in the Great Valley carbonate subunit of the Potomac River Basin. Towson, Md.: U.S. Geological Survey.
MLA Citation
Ferrari, Matthew J, Scott W Ator, and Geological Survey (U.S.). Nitrate In Ground Water In the Great Valley Carbonate Subunit of the Potomac River Basin. Towson, Md.: U.S. Geological Survey, 1995.
Warning: These citations may not always be complete (especially for serials).