Suggest a federal property tax to your friend instead. 

Cheney was attempting to advocate this 'sale' during w's Administration.

But, of course, Dicky would sell the land to the capitalistic pigs for ten cents on the dollar!

I did a NYTimes search and found this map & chart from a March 23, 2012 article on Utah's governor trying to get some of it returned to state control. The map shows a striking difference, that the Fed government really does own an extreme amount of the land in the 13 furthest west states and comparatively very little percentage in other states. On the map the difference appears like night & day.

http://www.nytimes.com/interactive/2012/03/23/us/western-land-owned-by-t...

Here's the data from the chart, the percent of each state owned by the Fed:

Even they aren't dumb enough to try to sell off the Grand Canyon or any other tourist site.  They want the raw land so the can exploit it by cutting and drilling and laying pipe lines.  They see nothing but huge profits from all that wasted property.  But what happens when it's sold and the money is spent?  What comes next?  The Great Lakes?  If they could get away with selling the air above us, they would do it before midnight.