000 00333pam a2200121a 44500
008 160408b1969 xxu||||| |||| 00| 0 eng d
082 _a549.058
_bM662 1969 V.3
100 _aBureau Of Mines
245 1 _aAREA REPORTS
_bDOMESTIC
260 _a
_bUnited States Department Of The Interior
_c1969
964 _gCIRC
997 _aA18020 C
999 _c245522
_d245522