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 City of Phoenix (black dot on the map) is in Maricopa County (white area). It is rather centrally located in the State of Arizona. Note that the map is not drawn to scale; these are simply general shapes and locations for your reference.