Ngā hua rapu - "Quarries and quarrying Oregon"

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Whakamahine hua
  1. 1
    Recovery of byproduct heavy minerals from Oregon and Washington sand and gravel operations

    Recovery of byproduct heavy minerals from Oregon and Washington sand and gravel operations mā Martinez, G. M. (George M)

    I whakaputaina 1981
    Ngā marau: “…Quarries and quarrying Oregon By-products…”
    Pukapuka

    Tiaki ki tētahi rārangi
    I tiakina i:
  2. 2
    Recovery of byproduct heavy minerals from sand and gravel operations in Oregon and Washington /

    Recovery of byproduct heavy minerals from sand and gravel operations in Oregon and Washington / mā Martinez, G. M. (George M.)

    I whakaputaina 1981
    Ngā marau: “…Quarries and quarrying Oregon By-products.…”
    Tē mōhiotia

    Tiaki ki tētahi rārangi
    I tiakina i:

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