SIXTH AMENDMENT TO FIRST AMENDED AND RESTATED CREDIT AGREEMENT THIS SIXTH AMENDMENT TO FIRST AMENDED AND RESTATED CREDIT AGREEMENT (this "Amendment") is made as of the 1st day of July, 1997, by and among CAIRN ENERGY USA, INC., a Delaware corporation...Credit Agreement • August 14th, 1997 • Cairn Energy Usa Inc • Crude petroleum & natural gas • New York
