Gasah Lingkai
Quarry site investigation at Sungai Sabatu, Ulu Arip Balingian GSKL 017/216 Gasah Lingkai, R.N. Bryant - 1980 - 1 v.(various pagings) ill. 30 cm
The area surveyed is underlain by sandstone and shale, with marls and lenses of limestone of Tatau Formation. The marl is dark grey, and highly fossiliferous
Quarries and quarrying--Balingian--Sarawak
Quarry site investigation at Sungai Sabatu, Ulu Arip Balingian GSKL 017/216 Gasah Lingkai, R.N. Bryant - 1980 - 1 v.(various pagings) ill. 30 cm
The area surveyed is underlain by sandstone and shale, with marls and lenses of limestone of Tatau Formation. The marl is dark grey, and highly fossiliferous
Quarries and quarrying--Balingian--Sarawak