Filed pursuant to Rule 424(b)(3)
                                                     Registration No. 333-133377

PROSPECTUS SUPPLEMENT NO. 2
TO PROSPECTUS DATED JULY 26, 2006


                             DEER VALLEY CORPORATION
                    (formerly known as Cytation Corporation)



                             UP TO 43,556,851 SHARES

                                  COMMON STOCK


     This  prospectus  supplement  supplements  information  contained  in  the
prospectus  dated  July  26,  2006 relating to the offer and sale by the selling
shareholders  identified  in  the  prospectus  of up to 43,556,851 shares of our
common  stock.  This prospectus supplement includes corrections to typographical
errors  in  the  Table  of Selling Stockholders in the original prospecuts.  The
errors  to  be  corrected  are  as  follows:

1)  In  column  (b),  the  total  should  be  9,941,641.

2)  In  column (b), the number of shares for Double U Master Fund LP should read
133,314,  not  133,334.  The  total  number  of  common  shares  issuable  for
convertible  securities for Double U Master Fund LP in column (h) is unaffected.

3)  In  column (b), the number of shares for Steve J. Logan should read 200,000,
not  20,000.

4)  In  column (b), the number of shares for Joel Logan should read 200,000, not
200.000.

5)  In  column  (h), the total should read 40,655,442.  The remaining figures in
column  (h)  are  unaffected.

     The  sections  to  be  corrected  in  the Table of Selling Stockholders are
presented  below;  the  Table  of  Selling Stockholders is not reproduced in its
entirety.  The  typographical errors corrected by this prospectus supplement did
not  affect  the  total  number  of shares to be registered via the registration
statement.

     This  prospectus  supplement  should  be  read  in  conjunction  with  the
prospectus  dated  July  26, 2006, which is to be delivered with this prospectus
supplement.  This  prospectus  supplement  is  qualified  by  reference  to  the
prospectus  except  to  the  extent  that  the  information  in  this prospectus
supplement  updates  and  supersedes the information contained in the prospectus
dated  July  26,  2006,  including  any  supplements  or  amendments  thereto.

     INVESTING  IN  THE  SHARES  INVOLVES  RISKS  AND  UNCERTAINTIES.  SEE "RISK
FACTORS" BEGINNING ON PAGE 10 OF THE PROSPECTUS DATED JULY 26, 2006 AND THE RISK
FACTORS INCLUDED IN OUR ANNUAL REPORT ON FORM 10-KSB FOR THE YEAR ENDED DECEMBER
31,  2005.

     NEITHER  THE  SECURITIES  AND  EXCHANGE COMMISSION NOR ANY STATE SECURITIES
COMMISSION HAS APPROVED OR DISAPPROVED OF THESE SECURITIES OR DETERMINED IF THIS
PROSPECTUS  IS  TRUTHFUL  OR  COMPLETE.  ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL  OFFENSE.

           The date of this prospectus supplement is August 23, 2006.






                                                         TABLE OF SELLING STOCKHOLDERS
                                                         -----------------------------

          Securities Owned By Selling Stockholders Prior to Offering             Securities Being Offered   Securities Beneficially
                                                                                 By Selling Stockholders    Owned By Selling
                                                                                                            Stockholders After the
                                                                                                            Offering
          ---------------------------------------------------------------------  -------------------------- -----------------------
          Common     Common     Common                  Common
           Stock     Stock      Stock       Common      Stock
          (direct   issuable    issuable    Stock      issuable
         ownership)  upon        upon    issuable upon   upon                                Common Stock
                   conversion conversion  conversion   conversion                           issuable upon
                      of          of         of            of         Common        Common   conversion or
                   Series A    Series B    Series C     Series D    Stock issuable  Stock    exercise of
                  Convertible Convertible Convertible  Convertible  upon exercise  (direct    derivative    Common      Percentage
                  Preferred    Preferred  Preferred     Preferred   of Warrants    ownership) securities   Stock to be   Assuming
Name of             Stock        Stock      Stock         Stock     and Options               (indirect  Beneficially   All Shares
Selling           (indirect   (indirect   (indirect     (indirect    (indirect                ownership)  Owned After   Offered are
Stockholder       ownership)   ownership) ownership)    ownership)   ownership)                             Offering       Sold
---------- ------ ---------   ----------  ---------    -----------  ------------  ----------  ----------  ------------  -----------
             (a)     (b)         (c)         (d)          (e)          (f)           (g)         (h)         (i)            (j)
---------- ------ ---------   ----------  ---------    -----------  ------------  ----------  ----------  ------------  -----------
                                                                                               
Double U
Master Fund
LP, Contact
Person: Isaac
Winehouse
(4)            0    133,314       0          0             0           199,971         0        333,285         0             *
---------- ------ ---------   ----------  ---------    -----------  ------------  ----------  ----------  ------------  -----------
Steve J.
Logan          0    200,000       0          0             0           300,000         0        500,000         0             *
---------- ------ ---------   ----------  ---------    -----------  ------------  ----------  ----------  ------------  -----------
Joel Logan     0    200,000       0          0             0           300,000         0        500,000         0             *
---------- ------ ---------   ----------  ---------    -----------  ------------  ----------  ----------  ------------  -----------
TOTAL      37,338  9,941,641  4,945,100   2,675,000     880,544      22,213,157      37,338   40,655,442        0             *
---------- ------ ---------   ----------  ---------    -----------  ------------  ----------  ----------  ------------  -----------

* Less than 1%

(4)     Isaac Winehouse, as manager of B & W Equities, LLC, the general partner of Double U Master Fund,
LP, has sole voting and investment control over the securities of Cytation Corporation owned by Double U
Master Fund, LP.  Mr. Winehouse disclaims beneficial ownership of the securities of Cytation Corporation
owned  by  Double  U  Master  Fund,  LP, except to the extent of his pecuniary interest therein, and the
inclusion of these shares in this Filing shall not be deemed an admission of beneficial ownership of all