Palmer, Harold S.
New graphic method for determining the depth and thickness of strata and the projection of dip. - Washington Government Printing Office 1918 - pp. 123-126
Impreso
Ingles
MINERIA
New graphic method for determining the depth and thickness of strata and the projection of dip. - Washington Government Printing Office 1918 - pp. 123-126
Impreso
Ingles
MINERIA