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Publication Extents

Not all publications have extents, not all extents are completely accurate
Some of Alpheus Hyatt's unfigured types from the Jurassic of California
C.H. Crickmay
1933, Professional Paper 175-B
Alpheus Hyatt named a considerable number of Jurassic fossils from California. Only a few of these were described, arid none were illustrated. In this paper 16 of these species are evaluated in terms of present-day nomenclature, figures of the type specimens are shown, and their probable age significance is given....
The bleaching clays
P. G. Nutting
1933, Circular 3
Groundwater is one of Utah 's most extensive and valuable natural resources. Because of its widespread occurrence in both wet and dry areas, groundwater has been, and is a major factor affecting economic growth and development of the State. In some areas, groundwater is used to supplement streamflow for irrigation,...