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Ground-water situation in Oregon

January 1, 1951

The water that occurs beneath the land surface follows definite and well-known rules of hydraulics, the same as water on the surface. However, ground water must be studied by methods, some of which are unique to that type of water occurrence, in order to evaluate the part it plays in the over-all water scheme.

Water that falls on the land surface as rain or snow and water that rests upon the surface may in places pass laterally or downward through the pores of the earth materials. There it may take one or more of a variety of paths before again flowing out on the surface or being expelled to the atmosphere by evaporation and by the transpiration of plants. Water so diverted underground is delayed or diverted from its course toward the sea and that digression results in many services of prime importance to mankind. Underground, the water generally exceeds in total quantity the water present on the land surface at any one time.

The discussion of ground water can be clarified somewhat by a description of the major parts or phases of the normal path of water underground.

Citation Information

Publication Year 1951
Title Ground-water situation in Oregon
DOI 10.3133/70176807
Authors R. C. Newcomb
Publication Type Report
Publication Subtype USGS Unnumbered Series
Index ID 70176807
Record Source USGS Publications Warehouse
USGS Organization Oregon Water Science Center