EXHIBIT 4.1 THIRD AMENDMENT TO CREDIT AGREEMENT THIS THIRD AMENDMENT TO CREDIT AGREEMENT (the "Amendment"), dated and effective as of August 19, 2003, is made by and among ARCH COAL, INC., a Delaware corporation (the "Borrower"), the LENDERS (as...Credit Agreement • November 13th, 2003 • Arch Coal Inc • Bituminous coal & lignite surface mining • Pennsylvania
