000			003590000a22001570004500
245			_aOre deposits
100			_aPark, Charles F.
100			_aMacdiarmid, Roy A.
250			_a3rd ed.
260			_aSan Francisco _bFreeman _c1975
300			_ax, 530p. : ill., photos.
020			_a071670272X
080			_a553 _bP3
041			_aEN
942			_cBK
999			_c101979 _d101979