| http://www.w3.org/ns/prov#value | - In addition, if at any time the amount of outstanding borrowings and letters of credit under that facility exceeds the borrowing base, we are required to prepay borrowings and/or cash collateralize letters of credit sufficient to eliminate the excess.Our ability to comply with these covenants or to maintain our borrowing base may be affected by events beyond our control, including deteriorating ec
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