Filters: Format: "application/pdf" Subject: "Coal miners"
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TitleDateTypeSetname
1 Case study of underground coal mining productivity in Utah1981-12Textir_etd
2 Interviews with Japanese in Utah: Tasaku Kameda1984-05-10; 1984-06-06; 1984-06-13; 1984-06-20; 1984-07-11Textuum_ijau
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