EXHIBIT 24
Power of Attorney
Each of the undersigned officers and Directors of Oglebay Norton Company, an Ohio corporation (the "Company"), which proposes to file with the Securities and Exchange Commission (the “Commission”) Post-Effective Amendments to Registration Statements on Form S-8 (or such other form as may be applicable) under the Securities Act of 1933, as amended, with respect to the adoption of registration statements in connection with the merger between Oglebay Norton Company, a Delaware corporation, and ON Minerals Company, Inc., an Ohio corporation, to cause the reincorporation of the Delaware corporation in Ohio hereby constitutes and appoints David H. Kelsey, Michael F. Biehl and Rochelle F. Walk, and each of them, his or her true and lawful attorney-in-fact, as agent with full power of substitution and resubstitution for him or her and in his or her name, place and stead, in any and all capacity, to sign in any and all capacities and file (1) such registration statements with all exhibits thereto and other documents in connection therewith, (2) any and all amendments, post-effective amendments and supplements thereto, and (3) any and all applications or other documents pertaining to such securities or such registrations, granting unto such attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully and to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitute or substitutes, may lawfully do or cause to be done by virtue hereof.
This Power of Attorney has been signed in the respective capacities and on the respective dates indicated below.
| Signature | Title | Date |
| | | |
| /s/ John N. Lauer | Chairman of the Board, President, Chief | May 11, 2001 |
| Executive Officer and Director (Principal | |
| John N. Lauer | Executive Officer) | |
| | | |
| /s/ David H. Kelsey | Vice President and Chief Financial Officer | May 11, 2001 |
| (Principal Financial Officer) | |
| David H. Kelsey | | |
| | | |
| /s/ Michael F. Biehl | Principal Accounting Officer | May 11, 2001 |
| | |
| Michael F. Biehl | | |
| | | |
| /s/ William G. Bares | Director | May 11, 2001 |
| | |
| William G. Bares | | |
| | | |
| /s/ James T. Bartlett | Director | May 11, 2001 |
| | |
| James T. Bartlett | | |
| | | |
| /s/ Albert C. Bersticker | Director | May 11, 2001 |
| | |
| Albert C. Bersticker | | |
| | | |
| /s/ William G. Pryor | Director | May 11, 2001 |
| | |
| William G. Pryor | | |
| | | |
| /s/ John D. Weil | Director | May 11, 2001 |
| | |
| John D. Weil | | |
| | | |
| /s/ Madeleine W. Ludlow | Director | May 11, 2001 |
| | |
| Madeleine W. Ludlow | | |
| | | |
| /s/ Malvin E. Bank | Director | May 11, 2001 |
| | |
| Malvin E. Bank | | |
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