Herbicides in shallow ground water at two agricultural sites in Delaware /
by Judith M. Denver ; prepared by the United States Geological Survey under the Joint-Funded Program with the Delaware Geological Survey.

APA Citation

Denver, J. M., Delaware Geological Survey., Geological Survey (U.S.). (1993). Herbicides in shallow ground water at two agricultural sites in Delaware. Newark, Del.: Delaware Geological Survey.

MLA Citation

Denver, J. M, Delaware Geological Survey, and Geological Survey (U.S.). Herbicides In Shallow Ground Water At Two Agricultural Sites In Delaware. Newark, Del.: Delaware Geological Survey, 1993.

Warning: These citations may not always be complete (especially for serials).