by Webb, Robert H.
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Debris flows from tributaries of the Col...
Environmental effects of off-road vehicl...
The ribbon of green
Distribution of radionuclide and trace-e...
Damming Grand Canyon
Elementary Wave Optics
Modeling of flood-deposited sand distrib...
Questa baseline and pre-mining ground-wa...
Shallow ground-water quality in the Plat...
River flow 2006
Physical processes of sedimentation
Alluvial fans in the Death Valley region...