POWER OF ATTORNEY

	Know all by these presents, that the undersigned
hereby constitutes and appoints Daniel L. Wessels and Brian S. Belanger and
each of them as the undersigned's true and lawful attorney-in-fact to:


(1)	execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer, director and/or 10% beneficial owner of Sylvan Inc.
(the "Company"), Forms 3, 4 and 5 in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules thereunder;

(2)	do and
perform any and all acts for and on behalf of the undersigned which may be
necessary or desirable to complete and execute any such Form 3, 4 or 5 and
timely file such form with the United States Securities and Exchange
Commission and any stock exchange or similar authority; and

(3)	take
any other action of any type whatsoever in connection with the foregoing
which, in the opinion of such attorney-in-fact, may be of benefit to, in
the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf
of the undersigned pursuant to this power of attorney shall be in such form
and shall contain such terms and conditions as such attorney-in-fact may
approve in his discretion.

The undersigned hereby grants to each such
attorney-in-fact full power and authority to do and perform any and every
act and thing whatsoever requisite, necessary, or proper to be done in the
exercise of any of the rights and powers herein granted, as fully to all
intents and purposes as the undersigned might or could do if personally
present, with full power of substitution or revocation, hereby ratifying
and confirming all that such attorney-in-fact, or such attorney-in-fact's
substitute or substitutes, shall lawfully do or cause to be done by virtue
of this power of attorney and the rights and powers herein granted.  The
undersigned acknowledges that the foregoing attorney-in-fact, in serving in
such capacity at the request of the undersigned, is not assuming, any of
the undersigned's responsibilities to comply with Section 16 of the
Securities Exchange Act of 1934.

This power of attorney shall remain
in full force and effect until the undersigned is no longer required to
file Forms 3, 4 and 5 with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless earlier revoked by
the undersigned in a signed writing delivered to the foregoing
attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this
power of attorney to be executed as of this 18th day of November, 2003.



SNYDER ASSOCIATED COMPANIES, INC.

By:  	/s/ Elmer A.
Snyder

Name:  	Elmer A. Snyder

Title:    President