EXHIBIT 10.1 FIRST AMENDMENT TO AMENDED AND RESTATED REVOLVING CREDIT AGREEMENT THIS FIRST AMENDMENT TO AMENDED AND RESTATED REVOLVING CREDIT AGREEMENT (the "Amendment") is made and entered into as of the 17th day of May, 1999 (the "Effective Date"),...Revolving Credit Agreement • August 16th, 1999 • Cross Timbers Oil Co • Crude petroleum & natural gas • Texas
