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Publication Extents

Not all publications have extents, not all extents are completely accurate
The concept of entropy in landscape evolution
Luna Bergere Leopold, Walter Basil Langbein
1962, Professional Paper 500-A
The concept of entropy is expressed in terms of probability of various states. Entropy treats of the distribution of energy. The principle is introduced that the most probable condition exists when energy in a river system is as uniformly distributed as may be permitted by physical constraints. From these general...
The meteorologic phenomenon of drought in the Southwest
H. E. Thomas
1962, Professional Paper 372-A
The recent drought is one of several which have been recorded in the arid Southwest in the past century. In regions where precipitation comes chiefly from a single source, as in California and the Great Plains, prevailingly dry periods have alternated with wetter periods, each lasting 10 to 15 years....