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"Contains vector-based digital maps of Venezuela[n] Guayana Shield originally published as paper maps in 1993 USGS Bulletin 93-2062."
Geology --- Minerals --- Guiana Highlands
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"Contains vector-based digital maps of Venezuela[n] Guayana Shield originally published as paper maps in 1993 USGS Bulletin 93-2062."
Geology --- Minerals --- Guiana Highlands
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Geochemical prospecting --- Heavy minerals --- Placer deposits --- Prospecting --- Prospecting --- Geophysical methods. --- National Uranium Resource Evaluation Program. --- United States.
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