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Mostrando 1 - 2 Resultados de 2 Para Buscar '"United States Geological Survey"', tiempo de consulta: 0.03s Filtros de búsqueda
  1. 1
    Gems and precious stones of North America: a popular description of their occurrence, value, history, archaeology, and of the collections in which they exist, also a chapter on pearls and on remarkable foreing gems owned in the United States
    Libro
  2. 2
    River discharge prepared for the use of engineers and studetes / by Joh Clayton Hoyt Assoc. M. Am. Soc. C. E. engineer in charge of hydrautic computations United States Geological Survey and Nathan Clifford Grover Assoc. M. Am. Soc. C. E. assistant chef hydrographer in charge of river measurements United States Geological Survey
    Libro
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