by Harold E. Malde
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Guidelines for reviewers of geological m...
Geologic factors pertinent to the propos...
Repeat photography at Chaco Culture Nati...
The catastrophic late Pleistocene Bonnev...
History of Snake River canyon indicated ...
Stratigraphy of the Glenns Ferry Formati...
Life Cycles
The desert
The desert year
Deserts on the march
Elf Owl