Hemphill, William R. 1930-
Stratigraphy of the Bannu and Dera Ismail Khan areas, Pakistan / by William R. Hemphill and Abdul H. Kidwai. -- Washington : United States Government Printing Office, 1973 - 36 p. + map. -- (Geological Survey Professional Paper ; 716-B).
Estratigrafía
Pakistan
551.7(549)
Stratigraphy of the Bannu and Dera Ismail Khan areas, Pakistan / by William R. Hemphill and Abdul H. Kidwai. -- Washington : United States Government Printing Office, 1973 - 36 p. + map. -- (Geological Survey Professional Paper ; 716-B).
Estratigrafía
Pakistan
551.7(549)