TY - BOOK AU - Shu,Yeoh Khoon AU - Lai,Kok Hoong TI - Rockfall danger at Gunung Lang Rifle Range Road, Ipoh PY - 1974/// KW - Geology investigation KW - Ipoh KW - Perak N2 - The proposed housing flats are site on triangular lot situated along the western flank of the Gunong Lang limestone hill.s This lot is about 1400 feet long and varies from 160 to 600 feet in width. The eastern boundary runs adjacent to the cliff line ER -