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Stratigraphy and petroleum possibilities of lower Upper Devonian (Frasnian and lower Famennian) strata, Southwestern Utah
Edward J. Biller
1976, Open-File Report 76-343
The lower Upper Devonian rocks in southwestern Utah--the Guilmette Formation and equivalents--represent a final regressive pulse of the major Late Devonian marine inundation of the Western Interior of the United States and record marine carbonate deposition on a wide continental shelf. They consist primarily of limestone, dolomite, and quartz arenite...
Floods in Ohio: magnitude and frequency
Earl E. Webber, William P. Bartlett
1976, Open-File Report 76-768
Techniques are presented for estimating the magnitude ant frequency of floods on Ohio streams. .Regression analysis is used to develop equations which relate physical and climatic factors of river basins to peak discharge at stream gaging stations. The equations can be used to estimate flood magnitudes with recurrence intervals from...
Floodflow characteristics at proposed bridge site on Fishkill Creek, Fishkill, New York
Thomas J. Zembrzuski, Bernard Dunn
1976, Open-File Report 76-595
An evaluation of floodflow characteristics of Fishkill Creek at the proposed bridge site at Fishkill, N.Y., was made for the 50- and 100-year floods. The flood-frequency analysis revealed that the magnitude of the 50- and 100-year floods are 8,000 cubic feet per second (cfs) and 10,000 cfs, respectively. The normal...
Oxalic-acid leaching of rock, soil, and stream-sediment samples as an anomaly-accentuated technique
Henry V. Alminas, Elwin L. Mosier
1976, Open-File Report 76-275
In many instances total-rock and sieved-soil and stream-sediment samples lack the sensitivity and contrast required for reconnaissance exploration and necessary in the search for blind ore deposits. Heavy-mineral concentrates incorporate the required sensitivity and contrast but are overly expensive for two reasons: time-consuming sample preparation is required to obtain them,...
Preliminary evaluation of the feasibility of artificial recharge in northern Qater
John Vecchioli
1976, Open-File Report 76-540
Fresh ground water in northern Qatar occurs as a lens in limestone and dolomite of Eocene age. Natural recharge from precipitation averages 17x106 cubic metres per year whereas current discharge averages 26.6x106 cubic metres per year. Depletion of storage is accompanied by a deterioration in quality due to encroachment of...