By Investopedia AAA |. A: The federal government offers three categories of fixed income securities to the buying public: Treasury bonds (T-bonds), Treasury notes (T-notes) and Treasury bills (T-bills).
Mount Diablo is a mountain of the Diablo Range, in Contra Costa County of the eastern San Francisco Bay Area, in northern California. It is located south of Clayton and northeast of Danville. It is an isolated upthrust peak of 3,849 feet (1,173 m), visible from most of the San Francisco Bay Area.
Geological Summary. Novarupta, the least topographically prominent volcano in the Katmai area, was formed during a major eruption in 1912. This eruption was the world's largest during the 20th century and produced a voluminous rhyolitic airfall tephra and the renowned Valley of Ten Thousand Smokes (VTTS) ash flow.he VTTS was formed by ash flows during the 1912 eruption of Novarupta volcano, the Earth's largest eruption of the 20th century. Glacier-clad Mount Mageik has a broad summit capped by 4 knobs, each of which is a spatter and lava-flow vent. Photo by Game McGimsey (U.S. Geological Survey, Alaska Volcano Observatory).