O'Connell, Patrick Harold2015-05-122015-05-122001https://scholarworks.montana.edu/handle/1/8171enDesertificationWindsErosionSoilsCompactingSandPlantsSand dunes of the Darhat Valley Mongolia : understanding their origins, dynamics, and impacts on soils and vegetationThesisCopyright 2001 by Patrick Harold O'Connell Jr.