000			01389nam a22002057a 4500
999			_c373 _d373
003			OSt
005			20210128113600.0
008			210128b ||||| |||| 00| 0 eng d
020			_a9789401176132, 9789401176118 (e book)
040			_aBUL _bENG _cBUL _dBUL _eRDA
082			_222 _a622.31 _bSIN
100			_aSinclair, John
245			_aQuarrying, opencast and Alluvial mining / _cJohn Sinclair
260			_aAmsterdam ; _aLondon ; _aNew york : _bElsevier publishing company Ltd , _cc1969
300			_avii, 375 p. : _bill. ; _c23 cm
500			_a1. Introduction 2. Prospecting 3. Planning and development 4.Removal of over burden 5. The use of explosive in surface mining 6.Quarrying Hard rocks 7.Working iron and copper deposits by open pits 8. Opencast coal 9. Surface mining of bauxite, clays, chalk and phosphates 10. Surface mining of global, platinum, Uranium and gemstones 11.Sand and Gravel 12. Alluvial mining 13 . Power supply in the surface mining industries 14. Reclamation after surface mining 15. The management after surface mines Appendix 1- Electormagnetic prospecting p359 Appendix 11- Performance of medium and large draglines p365 Appendix 111- Aggregate in concreate p365
504			_aIncludes bibliographic references . _ Index : p371-375
650			_aQuarrying
942			_2ddc _cBO _h622.31 _i1 _kSIN _m622.31 SIN