Computer graphics demonstration
Subtitle: area coal availability studies
By: by John R. Bitler and John D. Martin.
Contributors: Martin, John D.; United States. Bureau of Mines.
Series: Information circular - Bureau of Mines ; 8736; Information circular (United States. Bureau of Mines) -- 8736.
Publisher: Dept. of the Interior, Bureau of Mines
Published: 1977
Place of publication: [Washington]
Language: eng
Number of pages: 16
Subjects: Coal -- Geology.; Coal -- Maps.; Computer graphics.
Genres: Maps.
Notes: Bibliography: p. 16.