Keterdapatan Batugamping Keprus Berdasarkan Kenampakan Permukaan Pada Topografi Karst Di Daerah Ponjong, Yogyakarta
Part of karst topography in the research area are built of keprus limestone. It has soft and friable characteristics. This material is used by many industries, especially by chemical industries. It has already been intesively exploited using a wrong mining system (dug, failed, and abandoned). This r...
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[Yogyakarta] : Universitas Gadjah Mada
2003
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