Williams Transco Central Penn Line South. Williams Transco Central Penn Line South. Unlike liquid petroleum product pipelines, where the main risk is a leak leading to contamination of water and soil, the main risk with a high-pressure natural gas pipeline is a rupture and ensuing fire.
The White House today holds 142 rooms on six floors, the floor space totaling approximately 55,000 square feet. It has hosted longstanding traditions such as the annual Easter Egg Roll, as well as historic events like the 1987 nuclear arms treaty with Russia.
The tallest U.S. President was Abraham Lincoln at 6 ft 4 in (193 cm), while the shortest was James Madison at 5 ft 4 in (163 cm). The average height of a US president has been 5 ft 10.7 inches and 5 ft 11.6 inches since 1900. Barack Obama, the current President, is 6 ft 1 in (185 cm), and Joe Biden, the current Vice-President, is 6 ft 0 in (183 cm).