Bibliography lists 10 sources. A 9 page overview of the potentials for groundwater contamination through the addition of nitrates. Identifies domestic wastewaters and fertilizers as two of the largest contributors to this contamination and identifies reclaimed wastewaters to wetlands treatment as an alternative to more typical discharges and as one which results in the reduction of nitrates and other nutrients. Bibliography lists 8 sources. A 5 page paper exploring the relationships between the cruise line industry and the forces of oceanography.
Bibliography lists five sources.
A 6 page discussion of the Great Lakes, their sources, natural environment, and pertinent theories. Bibliography lists three references.