@misc{indiciae542e95b5f358, title = {Sediments from lakes Pontchartrain and Maurepas: Database development and preliminary synthesis of historical chemical and other environmental data}, author = {F.T. Manheim and A. McIntire and George C. Flowers and M. Marot and C. W. Holmes}, year = {1997}, url = {https://pubs.usgs.gov/publication/70197379}, note = {Source identifier: 70197379} }