Allied Waste Industries S-4 Registration of securities issued in business combination transactions

Exhibit 3.12

200

ARTICLES OF INCORPORATION
(General Business)
(Instructions on back of application)

The undersigned, in order to form a Corporation under the provisions of Title 30, Chapter 1, Idaho Code, submits the following articles of incorporation to the Secretary of State.

Article 1:The name of the corporation shall be: Ada County Development Company, Inc.

Article 2:The number of shares the corporation is authorized to issue: 1,000

Article 3:The street address of the registered office is: c/o C T Corporation System, 300 North 6th Street, Boise, Idaho 83702 and the registered agent at such address is: C T Corporation System

Article 4:The name of the incorporator is: Allied Waste North America, Inc. and address of the incorporator is: 15880 N Greenway-Hayden Loop, Suite 100, Scottsdale, AZ 85260

Article 5:The mailing address of the corporation shall be: 1101 W. Executive Drive, Boise, Idaho 83713

Optional Articles:

		Customer Acct #:
		(if using pre-paid account)
		Secretary of State use only
Signature of at least one incorporator:
/s/ Jo Lynn White
Typed Name:	By its Secretary, Jo Lynn White
Typed Name: