AIR POLLUTION VARI. BD. v. Western Alfalfa Corp. , 191 Colo. 455 ( 1976 )
Southern Illinois Asphalt Co. v. Environmental Protection Agency , 15 Ill. App. 3d 66 ( 1973 )
State v. LLOYD A. FRY ROOFING COMPANY , 9 Or. App. 189 ( 1972 )
Bortz Coal Co. v. Commonwealth , 2 Pa. Commw. 441 ( 1971 )
Lloyd A. Fry Roofing Co. v. State , 541 S.W.2d 639 ( 1976 )
Lloyd A. Fry Co. v. Utah Air Conservation Committee , 545 P.2d 495 ( 1975 )