Filed by Automated Filing Services Inc. (604) 609-0244 - Passport Materials Master Fund, LP - Form 144

UNITEDSTATES
SECURITIESAND EXCHANGE COMMISSION
Washington,
D.C. 20549

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 FORM 144
 
NOTICE OF PROPOSED SALE OF SECURITIES
PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933

ATTENTION : Transmit for filing three copies of this form concurrently with either placing an order with a
broker to execute sale or executing a sale directly with a market maker.

(Print or Type Responses)

1. NAME OF ISSUER (please type or print)
Metalline Mining Co
 2.IRS IDENT NO
91-1766677
(c) SEC File No 0-27667
TELEPHONE NUMBER
208-665-2002
ADDRESS OF ISSUEER STREET CITY STATE ZIP CODE
1330 E. Margaret Ave. Coeur D Alene ID 83815
2(a) NAME OF PERSON FOR WHOSE ACCOUNT
THE SECURITIES ARE TO BE SOLD
Passport Materials Master Fund, LP
(b) IRS IDENT NO
98-0484269
(c) RELATIONSHIP TO ISSUER
N/A
(d) ADDRESS
c/o Passport Management, LLC
30 Hotaling Place, Ste 300
San Francisco, CA 94111

3(a)
Title of the Class of
Securities To Be
Sold



(b)
Name and Address of Each
Broker Through Whom the
Securities are to be Offered or
Each Market Maker who is
Acquiring the Securities

SEC
USE
ONLY

Broker-
Dealer
File
Number
(c)
Number of Shares
or Other Units To
Be Sold



(d)
Aggregate Market
Value




(e)
Number of Shares
or Other Units
Outstanding



(f)
Approximate Date
of Sale




(g)
Name of Each
Securities
Exchange



Common

UBS
677 Washington Blvd
Stamford, CT 06901


15,000

44,250

38,728,603

Sept 27, 2007

AMEX

               
               

INSTRUCTIONS:

1


TABLE 1 – SECURITIES TO BE SOLD 
Furnish the following information with respect to the acquisition of the securities to be sold
And with respect to the payment of all or any part of the purchase price or other consideration therefore:

Title of the Class
Date you Acquired
Nature of Acquisition Transaction
Name of Person from
Whom Acquired
Amount of
Securities Acquired
Date of
Payment
Nature of Payment
Common





March 1, 2006





Purchased from another account
managed by the same investment
manager. The prior account
purchased the shares on
February 16, 2006 through a
private placement directly from
the company.
Passport Master
Fund, LP




375,000





March 1,
2006




Funds wire
transferred from
custodial account of
buyer to seller.


INSTRUCTIONS:

TABLE II – SECURITIES SOLD DURING THE PAST 3 MONTHS
Furnish the information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

Name and Address of Seller Title of Securities Sold Date of Sale Amount of Securities Sold Gross Proceeds
         

Instructions:   Attention:

See the definition of “person” in paragraph (a) of Rule 144. Information is to be given only as To the person for whose account the securities are to be sold but also as to all other persons Included in that definition. In addition, information shall be given as to sales by all persons Whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the Account of the person filing this notice.

 

The Person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the issuer of the securities to be sold which has not been publicly disclosed.


      PASSPORT MATERIALS MASTER FUND, LP
      By: PASSPORT ADVISORS, LP
      As General Partner
       
      By: PASSPORT HOLDINGS, LLC
      As General Partner
  September 26, 2007    
      By: Passport CAPITAL, LLC
  DATE OF NOTICE   As Managing Member
       
      By: /S/ John H. Burbank III
      Managing Member

The notice shall be signed by the person for whose account the securities are to be sold. At least one copy of the notice shall be manually signed. Any copies not manually signed shall bear typed or printed signatures.

2