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Louisiana Geological Survey Publishes State Parks Series, New Geologic Quadrangle Maps

The two State Parks and Lands series publications summarize the geology, mineral resources, natural regions of Fontainebleau State Park and the Port Hudson State Historic Site. The Fontainebleau document includes the park’s archaeological sites and its environs, as well as information sources and a glossary. The Port Hudson document provides a history of the Port Hudson State Historic Site and National Historic Landmark and surrounding areas. It includes information sources and a historic map, custom soil resource report, comprehensive gallery of photographs, related Web links, and a self-guided driving trip. 

The LGS geologic quadrangle maps describe and illustrate the surface geology of the New Orleans and Terrebonne Bay quadrangles in the south Louisiana delta plain. The colorful 28"x 46" maps,  identify the various surface geologic formations and their composition, and the locations of fault lines and waterways. In addition to rendering the geologic framework of the surface of these areas, the maps can serve as a potential guide to derivative engineering properties of surface materials, such as in connection with the design and construction of flood-protection structures. The 30 x 60 minute geologic quadrangle maps are at 1:100,000 scale.

These and other LGS geologic quadrangle maps and publications are available from LGS at 225–578–8590 or via the LGS catalog, available online at