The Physical Geography of South America, the eighth volume in the Oxford Regional Environments series, presents an enduring statement on the physical and biogeo

In my book Introduction to High Altitude Entomology, published in 1962, I summa rized the results of eight years' studies, mainly on the Himalaya. I have since

The 20 chapters of The Geology of Washington and Beyond�an outgrowth of a geologic symposium�present the substantial advances in recent research on the geol