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W. J. Bawiec

  • Geology of the conterminous United States at 1:2,500,000 scaleGeology of the conterminous United States at 1:2,500,000 scale
  • Geology, geochemistry, geophysics, mineral occurrences, and mineral resource assessment for the commonwealth of Puerto RicoGeology, geochemistry, geophysics, mineral occurrences, and mineral resource assessment for the commonwealth of Puerto Rico