To find binary base map data for a specific geographic area, click on the appropriate 30 by 60 minute quadrangle on the state map below. A Web page containing a graphic of the 30 by 60 minute quadrangle will display eight subdivided 15 by 15 minute quadrangles. Alternatively, you can choose from an alphabetical text list of available 30 by 60 minute quadrangles.

| Alexandria | Amite | Atchafalaya | Bastrop | Baton Rouge | Biloxi | Black Bay | Bogalusa | Crossett | Crowley | De Ridder | El Dorado | Gulfport | Henderson | Jackson | Lake Charles | Leesville | Magnolia | Marshall | Mississippi River Delta | Monroe North | Monroe South | Morgan City | Nacogdoches | Natchez | Natchitoches | New Orleans | New Roads | Ponchatoula | Port Arthur | Shreveport North | Shreveport South | Tallulah | Terrebonne | Texarkana | Ville Platte | White Lake | Winnfield | Woodville |