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Authority search results
Authorized headings		Type of heading	Records
Topical Term: Ores see also: Geology, Economic (Broader heading) Minerals (Broader heading) Metallurgy	Details	Topical Term	0 records
Topical Term: Ores Sampling and estimation used for/see from: Ores Analysis Sampling of ores see also: Assaying Mineralogy, Determinative (Broader heading) Mines and mineral resources (Broader heading) Prospecting (Broader heading)	Details	Topical Term	1 record