000			00448pam a2200145a 44500
082			_aUSBM _bRI-7790
100			_aFindlay,C,Krickovic,S
245	1		_aMETHANE CONTROL BY ISOLATION OF A MAJOR COAL-PANEL-PITTSBURGH COALBED.
260			_a _bU. S. Dept. Of The Interior, Bureau Of Mines, [S. L.] _c1973
300			_a11
500			_aBound With Usbm Ri-7771-7789 Lack No. 7775.
700			_aCarpetta,J E
964			_gCIRC
997			_aTR11111 C
999			_c397545 _d397545