Black tar heroin use in three southwestern cities /

Mode of access: Internet.

Survey of government assistance for the world's hard coal industries.

Item 231-B-1

Potential effects of surface coal mining on the hydrology of the Snider Creek area, Rosebud and Ashland coal fields, southeastern Montana /

"February 1983."

Summary proceedings, November 1987, public meetings for views and comments on the conduct of the Innovative Clean Coal Technology solicitation.

"DOE/FE-0094."