PCB 75-280

		PCB 75-280 04/08/76 Goodman Interim Order ENVIRONMENTAL PROTECTION AGENCY v. ZEIGLER COAL COMPANY
		PCB 75-280 05/06/76 Order ENVIRONMENTAL PROTECTION AGENCY v. ZEIGLER COAL COMPANY
		PCB 75-280 05/20/76 Order ENVIRONMENTAL PROTECTION AGENCY v. ZEIGLER COAL COMPANY
		PCB 75-280 08/04/77 Order ENVIRONMENTAL PROTECTION AGENCY v. ZEIGLER COAL COMPANY
		PCB 75-280 11/23/77 Opinion and Order ENVIRONMENTAL PROTECTION AGENCY v. ZEIGLER COAL COMPANY