Crowther, J
The Gunong Gagah - Tempurong Massif, Perak and its associated care system, Gua Tempurong J. Crowther. - [19?_] - 17 p. ill. 30 cm
The limestone hills of the Malay Peninsular, particulary those near urban areas, such as in the Kinta Valley, Perak, are seriously threated by quarrying.
Limestone--Perak--Gua Tempurong
Quarries and quarrying--Perak--Gua Tempurung
Gua Tempurong (Perak)
The Gunong Gagah - Tempurong Massif, Perak and its associated care system, Gua Tempurong J. Crowther. - [19?_] - 17 p. ill. 30 cm
The limestone hills of the Malay Peninsular, particulary those near urban areas, such as in the Kinta Valley, Perak, are seriously threated by quarrying.
Limestone--Perak--Gua Tempurong
Quarries and quarrying--Perak--Gua Tempurung
Gua Tempurong (Perak)