Centennial Mountains Rock Lakes National Wildlife Refuge, state and private land, and part of a USDA Agricultural Research Station for sheep. Around 326 vascular plant species have been identified in the Centennials, an unusual plant diversity for the Yellowstone region. Grizzly bears inhabit the area, as nearly all species indigenous to the Greater Yellowstone Ecosystem are present. The north slope of the Centennials rises abruptly 3,000 feet above the Centennial Valley. Centennial Mountains The Centennial Mountains are the southernmost sub-range of the Bitterroot Range in the United States states of Idaho and Montana. The Centennial Mountains include the Western and Eastern Centennial
Animal welfare in the United States a general enforcement mechanism - its original enforcement mechanism, the prohibition of federal purchases of animal products whose slaughter violated the HMSA, was repealed in 1978. In 2010 the Government Accountability Office (GAO) released a report criticizing the United States Department of Agriculture's (USDA) enforcement of the HMSA. Chickens, which account for over 95% of farm animals slaughtered in the U.S., are exempt from protection under the HMSA. The basis of animal welfare legislation in the US is the Animal Welfare Act of 1966 (AWA). The original AWA was aimed at regulating the sale and transport of animals. The AWA