Surveyors in California earned the most in 2011, reporting an average annual salary of $82,370. Nevada ranked second at $73,180 per year, followed by Alaska at $73,100, Massachusetts at $70,920 and Delaware at $70,360.
The interior of SubTropolis. SubTropolis is a 55,000,000 square foot (5,060,000 mÂ³), 1,100-acre (4.5 km 2) manmade cave in the bluffs above the Missouri River in Kansas City, Missouri, United States, that is claimed to be the world's largest underground storage facility.he complex contains almost seven miles (11 km) of illuminated, paved roads and several miles of railroad track. Currently 5,000,000 square feet (460,000 mÂ³) is occupied and 10,000,000 square feet (920,000 mÂ³) are improved..
(February 2013). The Detroit Region Aerotropolis (also referred to as the Detroit Aerotropolis or Michigan Aerotropolis) is an initiative to create an â aerotropolis â or airport-city in Southeast Michigan surrounding Detroit Metropolitan Airport and Willow Run Airport.he Aerotropolis Task Force along with Detroit Renaissance and Wayne County continue to lead the aerotropolis initiative along with Washtenaw County, the Wayne County Airport Authority, the cities of Romulus, Taylor, Ypsilanti, and Belleville, and the townships of Huron, Van Buren and Ypsilanti.