UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM 12b-25

                        Commission File Number 000-09500

                           NOTIFICATION OF LATE FILING

      (Check One): [ } Form 10-K  [ ] Form 11-K  [ ] Form 20-F  [X] Form 10-Q
                   [ ] Form N-SAR


For Period Ended: March 31, 2009

        o Transition Report on Form 10-K

        o Transition Report on Form 20-F

        o Transition Report on Form 11-K

        o Transition Report on Form 10-Q

        o Transition Report on Form N-SAR

For the Transition Period Ended:

      Nothing in this form shall be construed to imply that the  Commission  has
      verified any information contained herein.


If the notification  relates to a portion of the filing checked above,  identify
the item(s) to which the notification relates:

PART I -REGISTRANT INFORMATION

      Secured Digital Storage Corporation
      Full Name of Registrant

      Mountains West Exploration, Inc.
      Former Name if Applicable

      2001 Butterfield Road, Suite 1050
      Address of Principal Executive Office (Street and Number)

      Downers Grove, IL 60515
      City, State and Zip Code




PART II - RULE 12b-25(b) AND (c)

If the subject report could not be filed without  unreasonable effort or expense
and the registrant seeks relief pursuant to Rule 12b-25(b), the following should
be completed. (Check box if appropriate.)

      x(a)The  reasons  described in reasonable  detail in Part III of this form
      could not be eliminated without unreasonable effort or expense;

      x(b)The subject annual report,  semi-annual  report,  transition report on
      Form 10-K,  Form 20-F, Form 11-K or Form N-SAR, or portion thereof will be
      filed on or before the 15th  calendar day  following  the  prescribed  due
      date; or the subject  quarterly report or transition  report on Form 10-Q,
      or subject  distribution  report on Form 10-D, or portion  thereof will be
      filed on or before the fifth  calendar day  following the  prescribed  due
      date; and

      o(c)The accountant's statement or other exhibit required by Rule 12b-25(c)
      has been attached if applicable.


PART III - NARRATIVE

State below in reasonable  detail why the Form 10-K,  20-F,  11-K,  10-Q,  10-D,
N-SAR,  N-CSR or the  transition  report or portion  thereof  could not be filed
within the prescribed time period. (Attach extra Sheets if Needed.)

Secured  Digital  Storage   Corporation   (the  "Company")  will  not,   without
unreasonable  effort and expense,  be able to complete this Form 10-Q within the
prescribed  time period due to the financial  statements not being  completed in
the time period  necessary for current filing.

PART IV -OTHER INFORMATION

      (1)Name and telephone number of person to contact in regard to this
      notification:

       Lee Wiskowski          (312) 992-7100

      (2)Have all other periodic  reports  required under Section 13 or 15(d) of
      the  Securities  Exchange  Act of 1934  or  Section  30 of the  Investment
      Company Act of 1940  during the  preceding  12 months or for such  shorter
      period that the registrant was required to file such report(s) been filed?
      If the answer is no, identify report(s).

       x Yes o No

      (3)Is it anticipated that any significant  change in results of operations
      from the  corresponding  period for the last fiscal year will be reflected
      by the earnings statements to be included in the subject report or portion
      thereof?

       o Yes x No

       If so, attach an explanation of the anticipated  change, both narratively
      and  quantitatively,   and,  if  appropriate,  state  the  reasons  why  a
      reasonable estimate of the results cannot be made.




       Secured Digital Storage Corporation
       (Name of Registrant as Specified in Charter)


has caused this notification to be signed on its behalf by the undersigned
thereunto duly authorized.


    Dated: May 14, 2009


    By: /s/ Lee Wiskowski
            ---------------------------------
            Lee Wiskowski, Executive Vice President/Director

INSTRUCTION: The form may be signed by an executive officer of the registrant or
by any other duly  authorized  representative.  The name and title of the person
signing  the form  shall  be typed or  printed  beneath  the  signature.  If the
statement is signed on behalf of the registrant by an authorized  representative
(other than an executive officer), evidence of the representative's authority to
sign on behalf of the registrant shall be filed with the form.