Biblioteca SEGEMAR

Vista normal Vista MARC Vista ISBD

Moebs, Noel N.

Geologic and ground-control aspects of an experimental shortwall operation in the upper Ohio Valley Moebs, Noel N.; Curth, Ernest A. - Washington Bureau of mines 1976 - 30 p. - RI 8112 .

Subjects--Topical Terms:
GEOLOGIA
GEOLOGY

Subjects--Geographic Terms:
OHIO RIVER VALLEY REGION (UNITED STATES)

Subjects--Index Terms: MINAS DE CARBON MINERIA GEOLOGIA MINERAL COAL MINES MINING MINING GEOLOGY

Universal Decimal Class. No.: 55