What causes earthquakes? Earth's crust ranges from 3 to 45 miles deep (5 to 70 kilometers). The crust is a thin, hard shell that floats on the denser, hotter rock of the mantle.
Sponsored Topics. Airway Heights is a city in Spokane County, Washington, United States, just west of Spokane. The population was 6,114 at the 2010 census. The city's name was taken from its close proximity to Fairchild Air Force Base and Spokane International Airport. Airway Heights was officially incorporated on June 28, 1955.
*Note new rates effective 07/01/15. Prog Account Destination Combined_Rate SUBCODE Eff. 07/01/15 New Item Type. 18D 7873-1401 ABERDEEN 0.0863 49300 407000100000. 18D 7873-0100 ADAMS COUNTY UNINCORPORATED 0.0770 49301 407000100010. 18D 7873-3201 AIRWAY HEIGHTS 0.0890 49302 407000100020.