s advance. Slowly but relentlessly the sand, driven by strong southwest winds, co

Program Manager:vers everyth
ing in its path. Within the extr
emely harsh enviro
Cell:nment of the

dune field, even plants and animals adapted to desert conditions struggle to survive. Only a few species of plants grow rapidly enough to survive burial by the moving dunes, but several types of small animals have evolved white colorations to camouflage them in the gypsum sand. White Sands National Monument preserves a major part of this gypsum dune field, along with the plants and animals that have adapt

Marvin Banks is the authorized ed successfully to this constantly changing environment.At the northern end of the Chihuahuan Desert lies a mountain-ringed valley, the Tula guidelines and the rosa Basin. Rising from the heart of this basin is one of the world's great natural wonders-the glistening white sands of New Mexico. Grea