Death Valley Junction, California Death Valley Railroad was established in 1914, it used of tracks belonging to the Tonopah and Tidewater Railroad east-southeast of Death Valley Junction to Horton. Local wired telephones were manual telephone service until the 1980s. To reach a phone in Death Valley Junction when the area was under manual service required dialing the operator and asking for "Death Valley Junction, California, Toll Station" (and the one-digit number). Placing an outbound call required lifting the receiver and waiting for an operator. The operator who answered was in Los Angeles (over 150 miles away). Death Valley Junction is now in area codes
Geology of the Death Valley area laterally over the surface, laying down cobbles, sand, and mud. Outcrops of the resulting conglomerates, sandstone, and mudstone of the Titus Canyon Formation can be observed in road cuts at Daylight Pass on Daylight Pass Road, which becomes State Route 374 a short distance from the pass. Several other similar formations were also laid down. Large volcanic eruptions, originating near the Nevada Test Site, covered the Death Valley area and much of Nevada in thick sequences of silica-rich ash 27 million years ago. The ash has a rhyolitic composition, which is the volcanic equivalent of the plutonic rock granite; it