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Publication Extents

Not all publications have extents, not all extents are completely accurate
Preliminary geologic map of the Glen Ullin quadrangle, Morton County, North Dakota
C.S. Venable Barclay
1970, Open-File Report 70-17
The Glen Ullin quadrangle occupies approximately 51 square miles inwestern Morton County, southwestern North Dakota. Glen Ullin, a small agricultural community on the Northern Pacific Railroad, about 52 miles west of Bismarck, is near the center of the quadrangle (fig. 1).The Glen Ullin quadrangle is one of a group of...
Magnetometer survey in the Jebel Idsas area, Saudi Arabia
W. E. Davis, R. V. Allen, M.N. Akhrass
1970, Open-File Report 70-97
A ground magnetometer investigation in: the southern part of the Jebel Idsas magnetite area, Kingdom of Saudi Arabia, was done in compliance to requests by D. R. Mabey and F. Keller to delineate the source of the aeromagnetic total-intensity anomaly that was interpreted as being the expression of a commercial...
Geologic evaluation of 3-5 micrometer infrared imagery and color photography in southern Utah
Robert J. Hackman, Paul L. Williams
1970, Open-File Report 71-140
A comparison of 3-5 micrometer, afternoon and midnight infrared (IR) imagery and color photography with conventional aerial photography shows that IR imagery and color photography have some unique capabilities. In general, the IR imagery provides in shades of gray a record of the relative ground temperature at the time the...
Geology and mineral evaluation of the Wadi Bidah district, southern Hijaz quadrangle, Kingdom of Saudi Arabia
Robert L. Earhart, Mustafa M. Mawad
1970, Open-File Report 70-116
The Wadi Bidah district in southwest Saudi Arabia contains several ancient mines and mineral-prospects. The Precambian rocks of the district are steeply dipping and highly folded and faulted. They are divided into three major units: (1) older metavolcanic rocks, (2) metasedimentary rocks, and (3) younger metavolcanic rocks. Massive sulfide-type deposits...
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...