Results 281 to 290 of about 4,396,031 (348)

Placer mining

2006
Paul M. Hopkins, Wallace R. Griffiths
openaire   +1 more source

Graphical representation of production results versus estimates in placer mining

, 2015
R. H. T. Garnett
semanticscholar   +1 more source

Food washing and placer mining in captive great apes

Primates, 2013
Matthias Allritz, C. Tennie, J. Call
semanticscholar   +1 more source

Placer-Mining in California

Pacific Historical Review, 1935
Eduard Reyer, S. K. Padover
openaire   +1 more source

[British Columbia Placer Mining Act, 1891 re-record of a placer claim]

2018
2 mining re-records of a placer claim for [Lip] Coon and Luen Sing.
openaire   +1 more source

Complex-structure gold placer mining in Yakutia

Journal of mining science, 2013
S. Ermakov, A. Burakov
semanticscholar   +1 more source

Suffusion processes in the technology of formation of enriched zones inside gold placer mining waste dumps

Journal of mining science, 2012
V. Litvintsev, V. Alekseev, A. M. Pulyaevsky   +2 more
semanticscholar   +1 more source

Placer mining along the Fraser River, British Columbia: The geomorphic impact

, 2012
A. Nelson, M. Church
semanticscholar   +1 more source

Effects of Placer Mining on the Invertebrate Communities of Interior Alaska Streams

Freshwater Invertebrate Biology, 1985
Stephen M. Wagener, J. Laperriere
semanticscholar   +1 more source

Comparative toxicity of inorganic contaminants released by placer mining to early life stages of salmonids.

Ecotoxicology and Environmental Safety, 1990
K. Buhl, S. Hamilton
semanticscholar   +1 more source