Lake
MISSISSIPPI R SYSTEM
Mississippi River system
Saline Lake
Ouachita R system
Anacoco Lake
Millers Lake
LAKE PONTCHARTRAIN
LAKE MAUREPAS
CALCASIEU LAKE
Lake Fausse Pointe
Six Mile Lake
Lac Des Allemands
SABINE LAKE
Lake Verre
GRAND LAKE
Lake Cataouatche
Lake Misere
LAKE SALVADOR
Lake Cataoualche
Lake Boeuf
WHITE LAKE
Mud Lake
Lower Mud Lake
Lake Fields
Big Constance Lake
Lake Theriot
Lake Boudreaux
Catfish Lake
Lake De Cade
Lake Decade
River
MISSISSIPPI RIVER
Clear Lake
RED RIVER
Lower Old River
Atchafalaya River
Water
Pas Manchac
Bayou Des Allemands
Bayou Bardeaux
Bayou Couba
Bayou Perot
Bayou Rigolettes
asa
ALLUVIAL GRAVELLY SAND
HOLOCENE
aca
ALLUVIAL CLAY
fl
NATURAL LEVEE SILT AND CLAY
hps
SALINE-MARSH DEPOSIT
hmu
FRESHWATER-, BRACKISH-, AND SALINE-MARSH SILT AND CLAY, UNDIFFERENTIATED
ba
BEACH SAND
bb
BEACH SAND AND SHELL SAND
bc
BEACH SHELL-FRAGMENT AND SHELL SAND
bd
BEACH MUD
ml
LAGOON AND TIDAL-FLAT SILT AND CLAY
afa
ALLUVIAL-FAN DEPOSIT
HOLOCENE AND LATE PLEISTOCENE
acb
ALLUVIAL CLAY AND SILT
LATE PLEISTOCENE
asb
asj
ALLUVIAL SAND AND SILT
acc
ALLUVIAL SILT AND CLAY
da
DELTA DEPOSIT
dsa
DELTA SAND, SILT, AND GRAVEL
dla
DELTA SILT AND CLAY
bma
BEACH AND NEAR-SHORE MARINE SAND
ela
LOESS AND LOESSIAL COLLUVIUM AND ALLUVIUM
LATE PLEISTOCENE AND MIDDLE PLEISTOCENE
asg
ALLUVIAL CLAY, SILT, SAND, AND GRAVEL, UNDIFFERENTIATED
LATE PLEISTOCENE TO EARLY PLEISTOCENE
csc
COLLUVIAL AND ALLUVIAL GRAVEL, SAND, SILT, AND CLAY
agd
ALLUVIAL GRAVEL, SAND, AND SILT
MIDDLE PLEISTOCENE
ash
ALLUVIAL SAND, SILT, AND CLAY
alf
zsa
LIMONITIC SANDY DECOMPOSITION RESIDUUM
QUATERNARY AND TERTIARY
zsb
QUARTZ SAND DECOMPOSITION RESIDUUM
zse
CLAYEY FINE TO MEDIUM SAND AND SANDY CLAY DECOMPOSITION RESIDUUM
zca
SANDY CLAY DECOMPOSITION RESIDUUM
zcc
FINE SILTY CLAY DECOMPOSITION RESIDUUM
zce
MASSIVE CLAY DECOMPOSITION RESIDUUM
zch
SILTY OR MICACEOUS SANDY CLAY DECOMPOSITION RESIDUUM
f
ARTIFICIAL FILL
agc
ALLUVIAL PEBBLE GRAVEL AND SAND
EARLY PLEISTOCENE TO PLIOCENE(?)
alc
hpc
FRESHWATER-MARSH PEAT AND CLAY
Lake Mechant
OUACHITA RIVER
BLACK RIVER
Catahoula Lake
Black River system
Petit Lac Des Allemands
Red River system
Town Bluff Lake
Wax Lake
Lower Atchafalaya River
BAY OR ESTUARY OR OCEAN
Toledo Bend Reservoir