[AuntB]

"What is the meaning of Federal land exactly? How is it justified? Nationalization by the back door? If you do not comply, you lose your business or we take it? "

That's pretty much the size of it, Judge.

[editor-surveyor]

"What is the meaning of Federal land exactly? How is it justified?"

From a constitutional standpoint, federal land cannot exist; the fed is forbidden to own land except for those reserves that were specified, and the District of Columbia. All public lands are owned by the states.