W. R. McDonald

Tungsten and Gold Recovery from Alaskan Scheelite-bearing Ores

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Nancy Business

Tippy, Uncle Pike and Devon are back for another camp cosy crime mystery from the award-winning author of The Nancys. The gripping, heart-warming and ...

Progress in Stabilizing Acidic Copper Tailings at Holden Village,wash

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Directional Drilling for Coalbed Degasification

Program Goals and Progress in 1978

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