Khan N. M.
A Survey of Coal Resources of Pakistan - Karachi, Pakistan: The Geological Survey of Pakistan; - 11p.: ills, maps 22cm.
Includes bibliographical references and index.
Coal mins--Geology
PAK GSP 3
A Survey of Coal Resources of Pakistan - Karachi, Pakistan: The Geological Survey of Pakistan; - 11p.: ills, maps 22cm.
Includes bibliographical references and index.
Coal mins--Geology
PAK GSP 3