In the Half-Life universe, the Black Mesa Research Facility is located in which US state?

The Black Mesa Research Facility in the Half-Life universe is located in New Mexico due to its strategic geographical and geological advantages. New Mexico offers a vast desert environment with a variety of terrains, including canyons, plateaus, and mesas, which are ideal for concealing a secret research facility. Additionally, New Mexico's sparse population and low human traffic provide an extra layer of security and minimize the chances of accidental exposure or infiltration into the facility. Overall, the state's unique features make it an ideal choice for establishing the clandestine Black Mesa Research Facility.