Summary of the coal, ore, mineral, rock, and refractory standards issued by the National Bureau of Standards
By: R. Mavrodineanu and T.E. Gills
Contributors: Gills, T. E.; United States. National Bureau of Standards
Series: Standard reference materials; NBS special publication -- 260-97
Publisher: U.S. Dept. of Commerce, National Bureau of Standards; For sale by the Supt. of Docs., U.S. G.P.O.
Published: 1985
Place of publication: Gaithersburg, Md; Washington, DC
Language: eng
Number of pages: 123
Subjects: Coal -- Standards -- United States; Ores -- Standards -- United States; Mines and mineral resources -- Standards -- United States; Rocks -- Standards -- United States
Notes: Distributed to depository libraries in microfiche

"Issued September 1985."

Bibliography: p. iv-viii