Office of State Lands website.
Use the link there to view the mapping website.
https://wwwprd.doa.louisiana.gov/slo/disclaimer.htm
Use the table of contents once you get to the mapping website and select drop down for State Lands and click on what you want to see.
Use Imagery/maps drop down to try different map overlays till you find one you like.
The tool bar in the upper left will get you a legend so you can see what you are looking at.