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Economic geology of the Zipaquira quadrangle and adjoining area, Department of Cundinamarca, Colombia
Donald H. McLaughlin Jr., Marino Arce Herrera
1970, Open-File Report 70-208
At least four evaporite sequences are interbedded with Cretaceous strata in the Bogotga area of the Cordillera Oriental of Colombia. The easternmost and oldest evaporite interval is of probable Berriasian-Valanglnian age; the next oldest is of probable late Barremian-early Aptian age, and is followed by a possible late Aptian sequence....
Reconnaissance geology of the Wadi Wassat quadrangle, Kingdom of Saudi Arabia
William C. Overstreet, Darwin L. Rossman
1970, Open-File Report 70-248
The Wadi Wassat quadrangle covers an area of 2926 sq km in the southwestern part of the Kingdom of Saudi Arabia. The west half of the quadrangle is underlain by crystalline rocks of the Arabian Shield, but in the eastern half of the quadrangle the Precambrian rocks are covered by...
Annotated bibliography on artificial recharge of ground water, 1955-67
Donald C. Signor, Douglas J. Growitz, William Kam
1970, Water Supply Paper 1990
Artificial ground-water recharge has become more important as water use by agriculture, industry, and municipalities increases. Water management agencies are increasingly interested in potential use of recharge for pollution abatement, waste-water disposal, and re-use and reclamation of locally available supplies. Research projects and theoretical analyses of operational recharge systems show...
A proposed streamflow data program for South Carolina
Jeffrey T. Armbruster
1970, Open-File Report 70-11
An evaluation of the available streamflow data in South Carolina was made to provide guidelines for planning future surface-water data programs. The basic elements in the evaluation procedure were (1) establishment of objectives and goals of the program, (2) examination and analysis of all available data to determine which goals...
A proposed streamflow-data program in Alaska
J.M. Childers
1970, Open-File Report 70-62
The streamflow-data program in Alaska was analyzed to design a better data network. The analysis included (1) definition of the goals of the streamflow-data program, (2) evaluation of the available data to see which goals have already been achieved, and (3) consideration and recommendation of future programs to achieve the...
Report on field trip to Wadi Bidah and Ablah areas, Saudi Arabia
Louis Gonzalez
1970, Open-File Report 70-138
The Mulgatah ancient workings were briefly examined and two samples of alluvium were taken from the wadi that drains these workings. In Wadi Bidah, near gossan outcrops at the Rabathan prospects, another wadi sample was taken. In the Abla Formation area, seven wadi samples were taken and these samples as...