The Impact of sulphur dioxide regulations on the market for Illinois coal /

"Project no. 80.187."

An economic evaluation of proposed amendments to the Illinois sulfur dioxide regulations, R74-2, R75-5, and R76-9 /

"Project no. 10.062."

Airborne measurements of power plant plumes in West Virginia : Kammer and Mitchell power plants, 25 August-11 September 1975 /

"June 1979."

Report of the Selby Smelter Commission,

Joseph A. Holmes, chairman.

Economic impact of relaxing the regulation on sulfur content of fuel oils (R 75-8) /

Project no.10.059.