Computer graphics demonstration :area coal availability studies

Author:	Bitler, John R.
Additional Authors:	Martin, John D.,
Year:	1977
Document Type:	USBI
Issuing Agency:	Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:8736
Series:	Information circular - Bureau of Mines ;
Report Number:	8736
Subjects:	Computer graphics
	Coal--Maps
	Coal--Geology
Link:	https://hdl.handle.net/2027/mdp.39015078463919