LGS Digital Data

The Louisiana Geological Survey is currently revising the surface geologic data.

Revised 1:100,000 scale surface geology shapefiles for north Louisiana are available. Please see the 100k maps page for download.

Updated PDF maps, both 100k and 24k, are available. See below for existing maps (revisions may have major changes).

 

Select 100k or 24k for data/PDF maps

100k geologic data and/or published maps in pdf format.

24k geologic data and/or published maps in pdf format.

 

For more maps please see the Maps and Atlases page.