In the prosthetic industry a trans-tibial prosthetic leg is often referred to as a BK or below the knee prosthesis while the trans-femoral prosthetic leg is often referred to as an AK or above the knee prosthesis.
The City of Black Hawk is located 25 miles West of Denver. Through Historic Central City. 1  from Denver take Interstate 70 West. 2  I-70 exit 243 to Central City/Hidden Valley.
The highest point in the state, Black Mesa, is 4,973 feet above sea level and is located in the Oklahoma panhandle, Cimarron County, less than a mile east of the New Mexico border about 36 miles northwest of Boise City and about 2 1/2 miles northwest of Kenton.