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

                                   FORM 20-F/A
                                 Amendment No. 1

[ ] REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES
EXCHANGE ACT OF 1934

OR

[X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE
ACT OF 1934 For Fiscal Year Ended June 30, 2006

OR

[ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
ACT OF 1934 For the Transition Period from _____________ to________________
COMMISSION FILE NO. 0-24570

OR

[ ] SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
EXCHANGE ACT OF 1934 For the Transition Period from _____________
to________________ COMMISSION FILE NO. 0-24570



                              CENTRAL MINERA CORP.
                    (FORMERLY, DELGRATIA MINING CORPORATION)
             (Exact name of registrant as specified in its charter)
                                  YUKON, CANADA
                 (Jurisdiction of incorporation or organization)

                    P.O. BOX 93038, CAULFEILD VILLAGE R.P.O.
                    WEST VANCOUVER, BRITISH COLUMBIA, CANADA
                                     V7W 3G4

                                 (604) 687-6191
              (Registrant's telephone number, including area code)

        SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT: None

<TABLE>
<S>                                                          <C>
SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT:  SUBORDINATE VOTING SHARES
                                                             (NO PAR VALUE)
</TABLE>

Securities for which there is a reporting obligation pursuant to Section 15(d)
of the Act: None

Indicate the number of outstanding shares of each of the issuer's classes of
capital or common stock as of the close of the period covered by the annual
report:

As of June 30, 2006, the Registrant had 41,873,339 Subordinate Voting shares
(previously Common Shares prior to redesignation) outstanding. As of June 30,
2006, the Registrant had 3,000,000 Variable Multiple Voting shares outstanding.



Indicate by check mark if the registrant is a well-know seasoned issuer, as
defined in Rule 405 of the Securities Act.

Yes                   No   X
    ------               -----



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If this report is an annual or transition report, indicate by check mark if the
registrant is not required to file reports pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934.

Yes                   No   X
    ------               -----

Note -- Checking the box above will not relieve any registrant required to file
reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
from their obligations under those Sections.

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the proceeding 12 months (or for such shorter period that the registrant was
required to file such reports, and (2) has been subject to such filing
requirements for the past 90 days.

Yes   X               No
    ------               -----

Indicate by check mark whether the Registrant is a large accelerated filer, an
accelerated filer, or a non-accelerated filer. See definition of "accelerated
filer and large accelerated filer" in Rule 12b-2 of the Exchange Act. (Check
one)

<TABLE>
<S>                                 <C>                            <C>
Large accelerated filer        Accelerated filer       Non-accelerated filer  X
                       ---                      ---                          ---
</TABLE>


Indicate by check mark which financial statement item the registrant has elected
to follow. Item 17 ... X.... Item 18 .......

If this is an annual report, indicate by check mark whether the registrant is a
shell company (as defined in Rule 12b-2 of the Exchange Act.

Yes                  No    X
    ------               -----


(APPLICABLE ONLY TO REGISTRANTS INVOLVED IN BANKRUPTCY PROCEEDINGS DURING THE
PAST FIVE YEARS)

Indicate by check mark whether the Registrant has filed all documents and
reports required to be filed by Section 12, 13 or 15(d) of the Securities
Exchange Act of 1934 subsequent to the distribution of securities under a plan
confirmed by a court.


Yes                   No
    ------               -----



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ITEM 19.          EXHIBITS

The following exhibits are filed with this report:


<Table>
<Caption>
Exhibit Number       Description
<S>                  <C>

13.1                 Certification of Chief Executive Officer pursuant to
                     Section 906 of the Sarbanes-Oxley Act of 2002

13.2                 Certification of Chief Financial Officer pursuant to
                     Section 906 of the Sarbanes-Oxley Act of 2002
</Table>



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SIGNATURE

         Central Minera Corp. hereby certifies that it meets all of the
requirements for filing on Form 20-F and that it has duly caused and authorized
the undersigned to sign this Amendment No. 1 on its behalf.


                                           Central Minera Corp.

                                           By:  /s/ MICHAEL CYTRYNBAUM
                                                -------------------------------
                                                Name:  Michael Cytrynbaum
                                                Title: President and
                                                       Chief Executive Officer


Dated: February 17, 2007