000			00663nam a2200205Ia 4500
008			230518s9999 xx 000 0 und d
020			_a9780343606640
050			_aTN275.T44 1900
050			_bInternational Correspondece Schools
245		4	_aThe element of mining engineering: arithmetic, formulas, geometry and trigonometry, gases met with in mines,mine ventilation, mine surveying and mapping
260			_aNew York
260			_bThe Colliery Engineer Company
260			_c1900
300			_aix,various pages
300			_c23cm.
650			_aMining engineering
700			_aill.
942			_2Library of Congress Classification
942			_cBook
999			_c1806 _d1806