1 Mint no gum (MNG) â the stamp appears to be unused but has no gum. 2  It might have been used but not cancelled, or have been issued without gum. 3  Unmounted mint (UM) â the stamp is unused and appears never to have been mounted.
The Alaskan Way Viaduct replacement tunnel is a bored road tunnel that is under construction in the city of Seattle in the U.S. state of Washington. The project has been stalled since December 2013.No firm date for if/when the project will continue has been set.n January 12, 2009, the state of Washington, King County, the city of Seattle, and the Port of Seattle revealed that they had agreed to replace the viaduct with a bored underground tunnel.
The Seattle metropolitan area is the 15th largest metropolitan area in the United States with over 3.7 million inhabitants. The city is situated on an isthmus between Puget Sound (an inlet of the Pacific Ocean) and Lake Washington, about 100 miles (160 km) south of the CanadaâUnited States border. A major gateway for trade with Asia, Seattle is the third largest port in North America in terms of container handling as of 2015.