Biblioteca SEGEMAR Koha

Vista normal Vista MARC Vista ISBD

Johnson, L. A.

Properties of Utah tar sands-- south Seep Ridge area, P.R. Spring deposit Johnson, L. A.; Cupps, Cecil Q.; Marchant, L. C. - Washington Bureau of mines 1975 - 14 p. - RI 8003 .

Subjects--Topical Terms:
MINERIA
MINING

Subjects--Index Terms: BETUN BITUMEN

Universal Decimal Class. No.: 622