This includes a preliminary release of a comprehensive database and report on bottom sediments from Lake Pontchartrain and surrounding waterways. The second part provides background information on the area for a wide circle of users. This is highlighted by an in-depth school curriculum guide to environmental education based on Lake Pontchartrain. Information on this web site is preliminary and has not been formally reviewed and approved by the Director of the U.S. Geological Survey. Although efforts have been made to screen information for data that may be seriously compromised, the data provided here are not guaranteed to be correct or complete.
Conclusions drawn from the data are the responsibility of the users.
For more detail on data quality, including evaluation of data from heterogeneous sources, see technical discussion in the relevant sections.