Quarry. an open-cut operation for mining coal, ores, and nonmetallic materials. In the coal industry the quarry is called a pit, and in ore mining it is sometimes referred to as a mine.
Master Chief is the main character of Halo comic series by Marvel Comics. He is a genetically augmented super soldier for the UNSC and is one of the few survivors of the SPARTAN II project. He is one of the greatest if not the greatest soldier in UNSC history. Halo: Uprising.
The White House Chief of Staff is the highest ranking employee of the White House. The position is a modern successor to the earlier role of the President's private secretary.The role was formalized as the Assistant to the President in 1946 and acquired its current name in 1961.The Chief of Staff is appointed by and serves at the pleasure of the President; it does not require Senate confirmation. The current White House Chief of Staff is Denis McDonough.He assumed the position on January 25, 2013, after the previous Chief of Staff, Jack Lew, was nominated to become Secretary of the Treasury.he average term of service for a White House Chief of Staff is a little under 2.5 years. John R. Steelman, under Harry S. Truman, was the last Chief of Staff to serve for an entire presidential administration. Steelman also holds the record for longest-serving Chief of Staff (six years).