Category:Scientific articles mentioning the Helms Formation
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Media in category "Scientific articles mentioning the Helms Formation"
The following 2 files are in this category, out of 2 total.
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Geology, energy and mineral resources assessment of the Humphrey Canyon area, New Mexico (IA geologyenergy00cruv).pdf 1,268 × 1,670, 52 pages; 2.65 MB
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Smithsonian miscellaneous collections (IA smithsonianmisce1221955smit).pdf 860 × 1,345, 652 pages; 33.65 MB