LGS Digital Data

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

The estimated release date for north Louisiana data is March 2021.

Updated PDF maps will follow. 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.