Exhibit 3.719

CERTIFICATE OF LIMITED PARTNERSHIP

OF

PINE HILL FARMS LANDFILL TX, L P

     The undersigned, desiring to form a limited partnership pursuant to the Delaware Revised Uniform Limited Partnership Act, 6 Delaware Code, Chapter 17, hereby certifies as follows:

     I. The name of the limited partnership is Pine Hill Farms Landfill TX, LP.

     II. The address of the Partnership’s registered office in the State of Delaware is Corporation Trust Center, 1209 Orange Street, Wilmington, County of New Castle. The name of the Partnership’s registered agent for service of process in the State of Delaware at such address is The Corporation Trust Company.

     III. The name and mailing address of the general partner are as follows:

Allied Waste Landfill Holdings, Inc.
15880 North Greenway Hayden Loop
Suite 100
Scottsdale, Arizona 85260

     IN WITNESS WHEREOF, the undersigned has executed this Certificate of Limited Partnership of Pine Hill Farms Landfill TX, LP as of December 8, 1997.

Allied Waste Landfill Holdings, Inc., a Delaware corporation, General Partner
By:	/s/ D.W. Slager
	D.W. Slager, President

CERTIFICATE OF AMENDMENT
TO THE
CERTIFICATE OF LIMITED PARTNERSHIP
OF
PINE HILL FARMS LANDFILL TX, LP

     The undersigned, desiring to amend the Certificate of Limited Partnership of Pine Hill Farms Landfill TX, LP pursuant to the provisions of Section 17-202 of the Revised Uniform Limited Partnership Act of the State of Delaware, does hereby certify as follows:

     FIRST: The name of the Limited Partnership is Pine Hill Farms Landfill TX, LP.

     SECOND: Article I of the Certificate of Limited Partnership shall be amended as follows:

     The name of the limited partnership is Pinehill Landfill TX, LP.

     IN WITNESS WHEREOF, the undersigned executed this Amendment to the Certificate of Limited Partnership on this 6^th day of December, 1999.

ALLIED WASTE LANDFILL HOLDINGS, INC., a Delaware corporation, General Partner
By:	/s/ D.W. Slager
	D.W. Slager, President

State of Delaware

Secretary of State

Division of Corporations

Delivered 06:02 PM 08/08/2003

FILED 06:01 PM 08/08/2003

SRV 030521046 — 2832324 FILE

CERTIFICATE OF AMENDMENT
TO THE
CERTIFICATE OF LIMITED PARTNERSHIP
OF
PINEHILL LANDFILL TX, LP

     The undersigned, desiring to amend the Certificate of Limited Partnership of Pinehill Landfill TX, LP pursuant to the provisions of Section 17-202 of the Revised Uniform Limited Partnership Act of the State of Delaware, does hereby certify as follows:

     FIRST: The name of the Limited Partnership is Pinehill Landfill TX, LP.

     SECOND: Article 1 of the Certificate of Limited Partnership shall be amended as follows:

     The name of the limited partnership is Pine Hill Farms Landfill TX, LP.

     IN WITNESS WHEREOF, the undersigned executed this Amendment to the Certificate of Limited Partnership on this 8^th day of August, 2003.

ALLIED WASTE LANDFILL HOLDINGS, INC., a Delaware corporation, General Partner
By:	/s/ Dale L. Parker
	Dale L. Parker, Vice President