1:24,000 scale Surface Geology

While we strive to provide accessible content to all of our users, we are aware that some may experience barriers due a disability when utilizing our maps. As technology improves, we will continue to work towards creating more accessible alternatives in the future. If you are in need of assistance, please contact the Louisiana Geological Survey. email: lgs@lsu.edu  phone: (225)578-5320

Descriptive pamphlets are available for recent maps. These are denoted with "Pam". Click on "Pam" to download the pdf document.

Disclaimer: "The views and conclusions contained in these documents/data are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the U.S. Government or the state of Louisiana. These maps/data have been carefully prepared from the best existing sources available at the time of preparation. However, the Louisiana Geological Survey and Louisiana State University do not assume responsibility or liability for any reliance thereon.  This information is provided with the understanding that it is not guaranteed to be correct or complete, and conclusions drawn from such data are the sole responsibility of the user. These regional geologic quadrangles are intended for use at the scale of 1:24,000.  A detailed on-the-ground survey and analysis of a specific site may differ from these maps."

Ordering Information:

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Please use the map below to determine the area in which you are interested. Then scroll to the map list to view available data/maps. A red box indicates map and/or data available.

24k map availability


4 Rock Hill (shapefiles)

5 Ball (shapefiles)

6 Green Gables (shapefiles)

12 Rapides (shapefiles)

13 Alexandria (shapefiles)

17 LaCamp (shapefile)

25 Fullerton Lake (shapefile)

Atchafalaya Bay



21 Pioneer (shapefile) Pam

29 Epps (shapefile) Pam

Baton Rouge

3 Maringouin NW (shapefile)

6 Lobdell (shapefile)

7 Baton Rouge West (shapefile)

8 Baton Rouge East (shapefile)

9 Breaux Bridge (shapefile) Pam

14 Addis (shapefile)

15 Plaquemine (shapefile) Pam

16 Saint Gabriel (shapefile)

17 Broussard (shapefile) Pam

25 Youngsville (shapefile) Pam

26 New Iberia North (shapefiles)

Black Bay



25 Bush (shapefile)

26 Industrial (shapefile)


15 Mire (shapefile)

16 Carencro (shapefile) Pam

23 Duson (shapefile) Pam

24 Lafayette (shapefile) Pam

32 Milton (shapefile) Pam




1 Saint Tammany (shapefile)

2 Hickory (shapefile)

3 Nicholson (shapefile) Pam

9 LaCombe (shapefile)

10 Slidell (shapefile)

11 Haaswood (shapefile)

Lake Charles

14 Buhler (shapefiles) Pam

15 Moss Bluff (shapefiles) Pam

22 Westlake (shapefiles) Pam


6 Peason (shapefiles)

7 Kisatchie (shapefiles)

14 Dowden Creek (shapefile)

15 Kurthwood (shapefile)

23 Slagle (shapefile)

24 Simpson South (shapefile)

31 Fort Polk (shapefile)

32 Birds Creek (shapefiles)



Mississippi River Delta

Monroe North

Monroe South

7 West Monroe South (shapefiles)

8 Monroe South (shapefiles)

15 Luna (shapefiles)

16 Bosco (shapefiles)


Morgan City


9 Aimwell (shapefiles)

10 Harrisonburg (shapefiles)

11Sicily Island (shapefiles)



New Orleans

New Roads

22 Port Hudson (shapefiles)

23 Zachary (shapefiles)

24 Fred (shapefiles)

27 Lottie (shapefiles)

30 Walls (shapefiles)

31 Scotlandville (shapefile)

32 Comite (shapefiles)


1 Denham Springs (shapefiles)

2 Walker (shapefiles) Pam

7 Madisonville (shapefile) Pam

8 Covington (shapefile) Pam

9 Prairieville (shapefile)

10 French Settlement (shapefiles) Pam

11 Whitehall (shapefiles)

12 Killian (shapefiles)

17 Gonzales (shapefiles)

18 Sorrento (shapefiles)

26 Convent (shapefiles)

26 Lutcher (shapefiles)


Port Arthur

Shreveport North

17 Mooringsport (shapefiles)

25 Blanchard (shapefiles)

26 North Highlands (shapefiles)

Shreveport South

7 Freyburg (shapefiles)

24 Ashland (shapefiles)



Terrebonne Bay

Ville Platte

10 Elizabeth (shapefile) Pam


White Lake