Document:

EXHIBIT 4.23

                             U. S. ENERGY CORP.

                           STOCK OPTION AGREEMENT

This stock option agreement is made by and between U. S. ENERGY CORP. (herein
referred to as the "Company") and ROBERT A. NICHOLAS (hereinafter referred to as
the "Optionee").

1.   The Company hereby grants to the Optionee an option to purchase an
     aggregate of 18,000 shares of the common stock of the Company, $0.01 par
     value (hereinafter referred to as the "Shares") at an option price of $3.00
     per share. The Shares shall become available for exercise FEBRUARY 3, 2003.

2.   This option, to the extent not exercised, shall expire on FEBRUARY 2, 2004,
     or earlier upon the death of the Optionee.

3.   The Optionee may exercise this option at any time, or from time to time, as
     to all or any part of the Shares by giving written notice to the Company,
     at its principal office, specifying the number of Shares to which the
     exercise shall apply, and accompanied by payment of the full purchase price
     for the Shares being purchased. Optionee shall also execute an investment
     representation statement in a form approved by the board of directors of
     the company prior to issuance of share certificates. Upon compliance with
     the terms of this Agreement, certicate(s) representing the Shares purchased
     shall be issued as soon as practicable after notice of exercise is given to
     the Company.

4.   This option is not transferable by the Optionee and is exercisable only by
     him.

5.   In the event of Optionee's death prior to the complete exercise of the
     option, any remaining portion of the option may be exercised in whole or in
     part after the date of the Optionee's death, but only by the Optionee's
     estate or by or on behalf of the person(s) to whom the Optionee's rights
     pass under his will or the laws of descent and distribution. To the extent
     not exercised, the option shall terminate sixty (60) days after Optionee's
     death. If the Optionee is not a natural person, to the extent not
     exercised, the option shall terminate immediately upon Optionee's
     dissolution, liquidation or legal termination.

6.   The Optionee hereby represents that the option granted hereunder and the
     Shares purchased by him pursuant to the exercise of all or any part of the
     option are and will be acquired by him for investment and not with a view
     to the distribution thereof. The option is granted by the Company in
     reliance upon this representation. Upon the exercise of the option,
     Optionee shall not thereafter transfer, encumber or dispose of the Shares
     so purchased unless: (a) an effective registration statement covering such
     Shares is filed pursuant to the Securities Act of 1933, as amended, and
     applicable state law; or (b) an opinion letter of the Optionee's counsel is
     obtained, satisfactory to the Company and its counsel, that such transfer
     is not in violation of any applicable federal or state securities laws or
     regulations.

<PAGE>

Stock Option Agreement
Robert A. Nicholas
Page 2

IN WITNESS WHEREOF, the Company has caused this Agreement to be executed on its
behalf by its duly authorized officer and to be sealed with its corporate seal,
attested by its secretary, and Optionee has executed this Agreement with the
intent to be legally bound as of the date written below.

                                            U. S. ENERGY
CORP.

Attest:   /s/  Daniel P. Svilar             By:  /s/  Keith G. Larsen
        -------------------------------         --------------------------------
         Daniel P. Svilar,                      Keith G. Larsen,
         Secretary                              President

                                            OPTIONEE:

Dated:    2/11/03                             /s/  Robert A. Nicholas
      ---------------------------------     ------------------------------------

<PAGE>

                               U. S. ENERGY CORP.

                         AMENDED STOCK OPTION AGREEMENT

This amended stock option agreement is made by and between U. S. Energy Corp.
(herein referred to as the "Company") and Robert A. Nicholas (hereinafter
referred to as the "Optionee"). This amended stock option agreement is effective
when signed by the Company and by the Optionee.

The original stock option agreement expired on February 2, 2004. The Company and
the Optionee have agreed to extend the term of the original option, and provide
for termination before the extended date under certain circumstances, as
provided below.

1.   The Company hereby grants to the Optionee an option to purchase an
     aggregate of 18,000 shares of the common stock of the Company, $0.01 par
     value (hereinafter referred to as the "Shares") at an option price of $3.00
     per share. The Shares shall become available for exercise February 11,
     2004.

2.   This option, to the extent not exercised, shall expire o August 9, 2004, or
     earlier upon the death of the Optionee, as provided in paragraph 3.
     Provided, that if the Company's closing stock market price is more than
     $6.00 on any five trading days within a period of 15 conssecutive trading
     days, this option, to the extent not exercised, shall expire on the
     fifteenth calendar day after the end of the fifteen consecutive trading day
     period. The Optionee shall be solely responsible for monitoring the market
     price of the Company's stock; the Company shall not be obligated to notify
     the Optionee of market prices at any time.

3.   The Optionee may exercise this option at any time, or from time to time, as
     to all or any part of the Shares by giving written notice to the Company,
     at its principal office, specifying the number of Shares to which the
     exercise shall apply, and accompanied by payment of the full purchase price
     for the Shares being purchased. Optionee shall also execute an investment
     representation statement in a form approved by the board of directors of
     the company prior to issuance of share certificates. Upon compliance with
     the terms of this Agreement, certicate(s) representing the Shares purchased
     shall be issued as soon as practicable after notice of exercise is given to
     the Company.

4.   This option is not transferable by the Optionee and is exercisable only by
     him.

5.   In the event of Optionee's death prior to the complete exercise of the
     option, any remaining portion of the option may be exercised in whole or in
     part after the date of the Optionee's death, but only by the Optionee's
     estate or by or on behalf of the person(s) to whom the Optionee's rights
     pass under his will or the laws of descent and distribution. To the extent
     not exercised, the option shall terminate sixty (60) days after Optionee's
     death.

6.   The Optionee hereby represents that the option granted hereunder and the
     Shares purchased by him pursuant to the exercise of all or any part of the
     option are and will be acquired by him for investment and not with a view
     to the distribution thereof, except if at the time of exercise there then
     is in effect a registration statement filed with the Securities and
     Exchange Commission for resale of the Shares. The option is granted by the
     Company in reliance upon this representation. Upon the exercise of the
     option, Optionee shall not thereafter transfer,

<PAGE>

Stock Option Agreement
Robert A. Nicholas
Page 2

     encumber or dispose of the Shares so purchased unless: (a) an effective
     registration statement covering such Shares is filed pursuant to the
     Securities Act of 1933, as amended, and applicable state law; or (b) an
     opinion letter of the Optionee's counsel is obtained, satisfactory to the
     Company and its counsel, that such transfer is not in violation of any
     applicable federal or state securities laws or regulations.

<PAGE>

Stock Option Agreement
Robert A. Nicholas
Page 3

IN WITNESS WHEREOF, the Company has caused this Agreement to be executed on its
behalf by its duly authorized officer and to be sealed with its corporate seal,
attested by its secretary, and Optionee has executed this Agreement with the
intent to be legally bound as of the date written below.

                                            U. S. ENERGY CORP.

Attest:  /s/ Daniel P. Svilar               By:  /s/Keith G. Larsen
         ------------------------------        ---------------------------------
         Daniel P. Svilar,                      Keith G. Larsen, President
         Secretary

                                            OPTIONEE:

Dated:                                      /s/Robert A. Nicholas
         ------------------------------        ---------------------------------
                                            Robert A. Nicholas

<PAGE>EXHIBIT 4.25(b)

                               U. S. ENERGY CORP.
                                  STOCK WARRANT
     This Stock Warrant is made in Riverton, WY this 3rd day of July, 2003 by
and between U. S. Energy Corp. (herein referred to as the "Company" or "USE")
and CCRI Corporation (hereinafter referred to as the "Consultant"). This Stock
Warrant is issued in connection with the Consulting Agreement between USE and
the Consultant, dated April 17, 2003. C & H Capital, Inc of 6585 Sterling Dr.,
Suwanee, GA 30024, who is an assignee of Warrants issued pursuant to this Stock
Warrant agrees to those provisions of the Consulting Agreement, which apply to
Warrants.

1. The Company hereby grants C & H Capital, Inc. a Warrant to purchase an
aggregate of 12,500 shares of the common stock of the Company, $0.01 par value
(hereinafter referred to as the "Shares") $4.50/share for 36 months expiring on
March 16, 2006.

2. Exercise of the Warrant shall be covered by a piggy-back registration right
by the Consultant as part of the next subsequent appropriate USE registration of
shares with the SEC in which exercise of the Warrants could be registered by
USE. This registration would cover resale of the shares, as well. In the event
that no filing occurs within the term of the Warrant, the Consultant or its
assignee(s) shall have the right to demand that the Company file a registration
statement with the SEC for exercise of the balance of the Warrant, or for the
resale of the Shares acquired under the Warrants. The Company agrees to file a
registration statement

<PAGE>

Stock Warrant Agreement
C & H Capital, Inc.
Page 2

but only at a time when financial statements for the recently concluded fiscal
year have been audited. The Company and Consultant or its assignee(s) agree to
each pay one half of the federal and state filing fees, Edgar filing expense,
legal fees and auditor's expenses for document review.

3. The Consultant or its assignee(s) may exercise the options under this Warrant
as provided above to all or any part of the Shares by giving written notice to
the Company, at its principal office, specifying the number of Shares to which
the exercise shall apply, and accompanied by payment of the full purchase price
for the Shares being purchased. Upon compliance with the terms of this
Agreement, certificate(s) representing the Shares purchased shall be issued as
soon as practicable after notice of exercise is given to the Company.

4. The Consultant or its assignee(s) hereby represents that the Warrant granted
hereunder and the Shares purchased by it pursuant to the exercise of all or any
part of the Warrant are and will be acquired for investment and not with a view
to the distribution thereof. The Warrant is granted by the Company in reliance
upon this representation. Upon the exercise of the options under this Warrant,
Consultant or its assignee(s) shall not thereafter transfer, encumber or dispose
of the Shares so purchased unless: (a) a registration statement covering
issuance of such Shares on exercise of the Warrants is filed and becomes
effective pursuant to the Securities Act of 1933, as amended, and applicable
state law, or if previously exercised, the registration statement covers resale
of the shares; or (b) an opinion letter of the Warrantee's counsel is obtained,
satisfactory to the Company and its counsel, that such transfer is not in
violation of any applicable federal or state securities laws or regulations.

<PAGE>

Stock Warrant Agreement
C & H Capital, Inc.
Page 3

     IN WITNESS WHEREOF, the Company has caused this Warrant to be executed on
its behalf by its duly authorized officer and to be sealed with its corporate
seal, attested by its secretary, and Consultant or its assignee(s) has executed
this Agreement with the intent to be legally bound as of the date written below.

                                            U. S. ENERGY CORP.

Attest:  /s/  Daniel P. Svilar               By:    /s/  Keith G. Larsen
        -------------------------------          -------------------------------
         Daniel P. Svilar,                        Keith G. Larsen,
         Secretary                                President

                                            CONSULTANT'S ASSIGNEE:

Dated:                                             /s/  Jason Wayne Assad
        -------------------------------          -------------------------------
                                                 Jason Wayne Assad for
                                                 C & H Capital, Inc.

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