Hiland Holdings GP, LP, through its subsidiaries, engages in gathering, compressing, dehydrating, treating, processing, and marketing natural gas; and fractionating natural gas liquids in mid-continent and rocky mountain regions of the United States. It also provides air compression and water injection services for oil and gas secondary recovery operations in North Dakota. As of August 11, 2006, the partnership had 13 natural gas gathering systems with approximately 1,731 miles of gas gathering pipelines, 5 natural gas processing plants, 3 natural gas treating facilities, and 3 NGL fractionation facilities. Hiland Partners GP Holdings, LLC, serves as the general partner of the...