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TitleDateType
26 California production statistics-1955: Significant statistics1955Text
27 California production statistics 1998 Production by company1998Text
28 California production statistics-1953: Significant statistics1953Text
29 California production statistics-1999: Production by company1999Text
30 California production statistics 2000 Production by company2000Text
31 California production statistics-1945: Production by company1945Text
32 Bituminous sandstone near Vernal, Utah1931Text
33 California production statistics-1944: Production by company1944Text
34 California production statistics-1943: Production by company1943Text
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