Comparison of native ground-water quality with water quality in agricultural and residential areas of Long Island, New York [microform] / by Kenneth A. Pearsall ; prepared in cooperation with the Nassau County Department of Public Works ... [et al.].
Comparison of native ground-water quality with water quality in agricultural and residential areas of Long Island, New York [microform] / by Kenneth A. Pearsall ; prepared in cooperation with the Nassau County Department of Public Works ... [et al.].