LIBROS DEL AUTOR: powell greenland

1 resultados para LIBROS DEL AUTOR: powell greenland

powell greenland Eliminar filtro Quitar filtros
  • Hydraulic Mining in California
    Powell Greenland
    Hydraulic mining was, and remains, controversial. It produced great wealth from the soil of California, yet damaged the land in such a way that the scars will remain for eons. Great hillsides were denuded of soil by streams of water which boggle the imagination, and the sediment which was washed away filled the streambeds of the valleys below, causing flooding which decimated a...
    Disponible

    35,15 €