POWER OF ATTORNEY

STATE OF TEXAS	     )(

			 NOW ALL MEN BY THESE PRESENTS:

COUNTY OF DALLAS  )(

THAT I, Edward A. Odishaw, a Director of United States Lime
& Minerals, Inc., a Texas corporation, hereby constitute
and appoint Michael L. Wiedemer  and M. Michael Owens as
my true and lawful attorneys-in-fact and agents, with full
power of substitution and resubstitution, to sign for me
and in my name, place, and stead, in any and all capacities,
any and all forms required to be filed by me pursuant to
Section 16(a) of the Securities Exchange Act of 1934 and
the rules promulgated thereunder and any and all amendments
to such forms and to file the same with the United States
Securities and Exchange Commission.  I further hereby ratify
and confirm any and all actions, matters, and things that
such attorneys-in-fact and agents shall lawfully do or cause
to be done by virtue of this Power of Attorney and the rights
and powers granted herein.

	EXECUTED this 2nd day of March, 2018
					/s/ Edward A. Odishaw

STATE OF TEXAS          )(
COUNTY OF DALLAS   )(

	This instrument was acknowledged before me on the 2nd day of
March, 2018 by Edward A. Odishaw.

						/s/ Nita Mitchell
						Notary Public
						State of Texas

						My Commission Expires: