The Official Stratigraphic Charts of Louisiana can be downloaded here.

The following LGS maps and their accompanying text are now available online:

Baton Rouge 100K Map

Bogalusa 100K Map

Crowley 100K Map

DeRidder 100K Map

Gulfport 100K Map

Lake Charles 100K Map

Ponchatoula 100K Map

Port Arthur 100K Map

Ville Platte 100K Map

White Lake 100K Map

Woodville 100K Map

Generalized Geologic Map of Louisiana

Generalized Geology of Louisiana (text to accompany the above map)

And, by special educator request:

Generalized Geologic Map of Louisiana in Black and White

Note: some of these maps are very large and will take significant amounts of time to load.