Costs and effects of environmental protection controls regulating U.S. phosphate rock mining
Balazik, Ronald F.
Costs and effects of environmental protection controls regulating U.S. phosphate rock mining by Ronald F. Balazik - [Washington, D.C.] U.S. Dept. of the Interior, Bureau of Mines 1983 - ii, 37 p. 28 cm. - Information circular 8932 .
Phosphate industry--Costs--United States
Phosphate industry--Environmental aspects--United States
622 s
Costs and effects of environmental protection controls regulating U.S. phosphate rock mining by Ronald F. Balazik - [Washington, D.C.] U.S. Dept. of the Interior, Bureau of Mines 1983 - ii, 37 p. 28 cm. - Information circular 8932 .
Phosphate industry--Costs--United States
Phosphate industry--Environmental aspects--United States
622 s