 | | Journal (issue) | | are exposed along tributaries of the Guadalupe River. The average thickness of the Cow Creek Limestone...the Hill CountTy of south-central Texas, Texas Department of Water Resources Report 273, 73 p. Calcitefills...exposed at other localities along the Guadalupe River and its tributaries. It is not clear to me whether...Group Element (PGE) Minerals of the Atrato River, Choco, Colombia By Tony Nik:ischer tony@excaliburmineral...Magnificent Mineral Deposits By Dr. Pete J. Dunn Department of Mineral Sciences, Smithsonian Institution |  | | Report (issue) | | PRINTING OFFICE, WASHINGTON 1969 UNITED STATES DEPARTMENT OF THE INTERIOR WALTER J. HICKEL, Secretary ...~inor deposits __________________ ----- _____ _ Colombia _____________________________________ _ History...location of principal mining claims on the Salmon River and its tributaries__________ 21 30 36 52 54 61..._________________________ 28. Osmiridium from Colombia ____________________________________ --------...JR. ABSTRACT Platinum was discovered first in Colombia, but the exact date is unknown, though it was |
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Atrato River, Riosucio, Caldas Department, Colombia