SENIOR SECURED PROMISSORY NOTE

Exhibit 10.29(a)

SENIOR SECURED PROMISSORY NOTE

For value received, FIRSTGOLD CORP., a corporation organized under the laws of the State of Delaware (the “ Maker ”), hereby promises to pay to the order of PLATINUM LONG TERM GROWTH, LLC, with an address of 152 West 57 ^th Street, 4 ^th Floor, New York, NY 10019 (together with its successors, representatives, and assigns, the “ Holder ”), in accordance with the terms hereinafter provided, the principal amount of Three Hundred Seventy-Eight Thousand Three Hundred Seventy-Eight Dollars and Thirty Seven Cents ($378,378.37) hereunder, together with interest and all other obligations outstanding hereunder.

All payments under or pursuant to this Note shall be made in United States Dollars in immediately available funds to the Holder at the address of the Holder first set forth above or at such other place as the Holder may designate from time to time in writing to the Maker or by wire transfer of funds to the Holder’s account, instructions for which are attached hereto as Exhibit A .  The outstanding principal balance of this Note shall be due and payable on March 1, 2010 (the “ Maturity Date ”) or at such earlier time as provided herein.

ARTICLE I

Section 1.1       Purchase Agreement .  This Note has been executed and delivered pursuant to the Note and Warrant Purchase Agreement, dated as of August 7, 2008 (the “Purchase Agreement”), by and between the Maker, the Holder (as a Lender) and each other Lender party thereto and related agreements and documents.  Capitalized terms used and not otherwise defined herein shall have the meanings set forth for such terms in the Purchase Agreement.

Section 1.2       Interest.   The outstanding principal balance of this Note shall bear interest, in arrears, at a rate per annum equal to four percent (4%), payable in cash on the first Business Day of each month following the date hereof.  Interest shall be computed on the basis of a 360-day year of twelve (12) thirty-day months, shall compound monthly and shall accrue commencing on the date hereof.  Furthermore, upon the occurrence of an Event of Default (as defined in Section 2.1 hereof), the Maker will pay interest to the Holder, payable on demand, on the outstanding principal balance of the Note and on all unpaid interest from the date of the Event of Default at a per annum rate equal to the lesser of eighteen percent (18%) and the maximum applicable legal rate per annum, calculated based on a 360-day year.

Section 1.3       Payment of Principal; Prepayment .

(a)   The principal amount hereof shall be paid in full on the Maturity Date or, if earlier, upon acceleration of this Note in accordance with the terms hereof.  Any amount of principal repaid hereunder may not be reborrowed.  The Maker may prepay all or any portion of the principal amount of this Note upon not less than three (3) Business Days prior written notice to the Holder, without penalty or premium.

(b)   Not later than the fifteenth (15 ^th ) day of each calendar month, the Maker shall make a mandatory prepayment to the Holder equal to its Pro Rata Share of forty percent (40%) of the Maker’s Free Cash Flow in and for the preceding calendar month;

provided, however, that commencing with the payment to be made in December, 2008 and continuing in each month thereafter, such monthly payment be equal to the Holder’s Pro Rata Share of the greater of (i) forty percent (40%) of the Maker’s Free Cash Flow in the preceding calendar month, and (ii) $400,000.  Each such payment shall be accompanied by financial calculations of such prior month’s Free Cash Flow certified as being complete and correct by the Maker’s president or chief financial officer, in such detail and with such supporting financial documents as the Collateral Agent (as defined below) may require.  Each such mandatory prepayment shall be applied first to any interest, fee or expense obligation hereunder which is then due and unpaid and then on account of the principal balance hereof.  Prepayments applied to principal shall be made against the principal balance of this Note and of all other outstanding Notes issued under the Purchase Agreement on a pro-rata basis.  For the purposes hereof, “Free Cash Flow” shall mean the Maker’s gross revenue from all sources less direct operating costs in the period for which such calculation is made (all in accordance with GAAP).

Section 1.4       Security Documents .  The obligations of the Maker hereunder are secured by a continuing security interest in substantially all of the assets of the Maker pursuant to the terms of a Security Agreement bearing even date herewith by and between the Maker and the Collateral Agent, a Deed or Deeds of Trust, and other collateral documents.  For the purposes hereof, the term “Collateral Agent” shall have the meaning given thereto in the Security Agreement.

Section 1.5       Payment on Non-Business Days .  Whenever any payment to be made shall be due on a Saturday, Sunday or a public holiday under the laws of the State of New York, such payment shall be due on the next succeeding Business Day and such next succeeding day shall be included in the calculation of the amount of accrued interest payable on such date.

Section 1.6       Transfer.   This Note may be transferred or sold, and may also be pledged, hypothecated or otherwise granted as security, by the Holder; provided, however, that any transfer or sale of this Note must be in compliance with any applicable securities laws.

Section 1.7       Replacement.   Upon receipt of a duly executed, notarized and unsecured written statement from the Holder with respect to the loss, theft or destruction of this Note (or any replacement hereof) and a standard indemnity, or, in the case of a mutilation of this Note, upon surrender and cancellation of such Note, the Maker shall issue a new Note, of like tenor and amount, in lieu of such lost, stolen, destroyed or mutilated Note.

Section 1.8       Use of Proceeds .  The Maker shall use the proceeds of this Note as set forth in the Purchase Agreement.

ARTICLE II

EVENTS OF DEFAULT; REMEDIES

Section 2.1       Events of Default .  The occurrence of any of the following events shall be an “ Event of Default ” under this Note:

(a)   any default in respect of any payment of the principal amount, interest or any other monetary obligation under this Note, as and when the same shall be due and payable (whether on the Maturity Date or by acceleration or otherwise) or within three (3) days thereafter; or

(b)   the Maker shall fail to observe or perform any other condition, covenant or agreement contained in this Note, which failure is not cured within five (5) Business Days after the Maker’s receipt of notice of such failure; or

(c)   the suspension from listing, without subsequent listing on any one of, or the failure of the Common Stock to be listed on at least one of the OTC Bulletin Board, the American Stock Exchange, the Nasdaq Capital Markets, the Nasdaq Global Market, the Nasdaq Global Select Market or The New York Stock Exchange, Inc. for a period of five (5) consecutive Trading Days, such a suspension to only constitute an Event of Default if the Holder provides the Maker written notification that it deems such suspension to be an Event of Default; or

(d)   the Maker shall default in the performance or observance of (i) any undertaking, covenant, condition or agreement contained in the Purchase Agreement or any other Transaction Document and such default is not fully cured within five (5) Business Days after the Maker’s receipt of notice of such default;  or

(e)   any representation or warranty made by the Maker herein or in the Purchase Agreement or any other Transaction Document shall prove to have been false or incorrect or breached in a material respect on the date as of which made; or

(f)   any failure by Maker to cure within five (5) Business Days after the Maker’s receipt of notice of (A) a default in any payment of any amount or amounts of principal of or interest on any Indebtedness of the Maker (other than the Indebtedness hereunder) the aggregate principal amount of which Indebtedness is in excess of $50,000   or (B) a default in the observance or performance of any other agreement or condition relating to any Indebtedness or contained in any instrument or agreement evidencing, securing or relating thereto, or any other event shall occur or condition exist, the effect of which default or other event or condition is to cause, or to permit the holder or holders or beneficiary or beneficiaries of such Indebtedness to cause with the giving of notice if required, such Indebtedness to become due prior to its stated maturity; or

(g)   the Maker shall (i) apply for or consent to the appointment of, or the taking of possession by, a receiver, custodian, trustee or liquidator of itself or of all or a substantial part of its property or assets, (ii) make a general assignment for the benefit of its creditors, (iii) commence a voluntary case under the United States Bankruptcy Code (as now or hereafter in effect) or under the comparable laws of any jurisdiction (foreign or domestic), (iv) file a petition seeking to take advantage of any bankruptcy, insolvency, moratorium, reorganization or other simil