The danger of rockfalls along eastern Gunong Lang, Ipoh no. E(F) 1/1978 Engineering Geology Section - 1978 - 8 p. photos 34 cm.+ 5 maps

Includes bibliographical references

Averaging 450 yards from its western flank, the Kuala Kangsar Road runs almost parallel to G. Lang for a great part of its length


Geology investigation--Ipoh--Perak