SEDL / STP / STP122-EB / STP44003S

Engineering Implications of Geological Reconnaissance in the Plains Area—Missouri River Basin

Abdun-Nur, E. A.
Engineer and Geologist, Bureau of Reclamation, Denver, Colo.

Dowling, J. D.
Engineer and Geologist, Bureau of Reclamation, Denver, Colo.

Pages: 12    Published: Jan 1952

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Abstract

The engineering geologic problems encountered by the Bureau of Reclamation in the construction of irrigation and multi-purpose projects in the Plains area consisting of North and South Dakota, Nebraska, Kansas, and the eastern portions of Montana, Wyoming, and Colorado are outlined.

The prevalence of uniform-grained fine soils, the lack of sand and gravel and hard durable ledge rock create problems that require the engineer to use ingenuity for economical construction. The problems brought about by these factors are discussed and the implications, in the terms of engineering solutions are outlined. A feasible approach for satisfactory solutions, together with concrete examples on projects under construction or in the planning stage, are included. The interdependence of engineering and geology is stressed.