Prepared by R.R. Donnelley Financial -- Consent of Independent Public Accountants

EX-23.1 4 dex231.htm CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS Prepared by R.R. Donnelley Financial -- Consent of Independent Public Accountants

Exhibit 23.1

CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the use of our reports (and to all references to our Firm) included in or made a part of this registration statement.

/s/ ARTHUR ANDERSEN LLP

Denver, Colorado

May 29, 2002