This state has the highest average altitude of any state east of the Mississippi; must be pretty "mountainous"
The state line along the Mississippi River is 
indeterminate along much of the... [DOC] [TLE] West Virginia - Wikipedia [PAR] The average elevation of West Virginia is approximately 1,500 feet (460 m) 
above sea level, which is the highest of any U.S. state east of the Mississippi 
River.