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Assaying ores, concentrates, and bullion

Assaying ores, concentrates, and bullion :revision of Information Circular 7695

Published Year

• 1970-1979 (2) *

Subject

• Ores--United States--Analysis (1)
• Ores--United States--Sampling and estimation (1)
• Precious metals--Assaying--United States (1)
• Precious metals--United States--Analysis (1)
• Testing laboratories--United States (1)

Author

• Heady, Howard H. (2) *
• Broadhead, K. G. (1)
• Broadhead, Kenneth G., (1)

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