TY - BOOK AU - Shu,Yeoh Khoon AU - Chow,Weng Sum TI - Land subsidence at Serdang Lama, Selangor PY - 1979/// KW - Geology investigation KW - Serdang Lama KW - Selangor N2 - Around December 1977 a sinkhole suddenly formed within an Indian settlement in the Serdang Lama New Village, Selangor, and this sinkhole gradually increased in size to the present pit with a diameter of about 25 feet and depth 9 feet ER -