SALTON SEA: MUD FLATS
EL MORO CANYON--MUD FLAT
Death Valley: Sand dunes
DEATH VALLEY: SAND
Salton Sea: Mud volcano
SALTON SEA-MUD VOLCANO
SALTON SEA: MUD ERUPTION
SALTON SEA: MUD VOLCANO
SALTON SEA: MUD BUBBLE
COSTA RICA BEACH
MUSHROOM TEXTURE
DEATH VALLEY SAND
ZION CLIFFS
ZION ROCKS
PERU SALT PONDS
NEWORT BEACH SHORELINE