The U.S. Geological Survey Coal Quality data base (COALQUAL)
By: by Robert B. Finkelman ... [et al.].
Contributors: Finkelman, Robert B.; Geological Survey (U.S.)
Series: Open-file report -- 94-177; U.S. Geological Survey open-file report -- 94-177
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo.; Books and Open-File Reports Section, distributor]
Published: 1994
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Number of pages: 46
Subjects: Coal -- Geology -- United States -- Databases.; Coal -- Analysis -- Databases.
Other titles: US Geological Survey Coal Quality data base (COALQUAL)
Notes: Cover title.

Distributed to depository libraries in microfiche.

Shipping list no.: 95-0614-M.

Includes bibliographical references (leaves 20-22).

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1995?] 1 microfiche : negative.