Trump’s Border Wall: A Tall Order
Installed fencing is scarce in the lower valley, in part because most of the land is either privately owned or is held by wildlife reserves.
.. The Trump administration’s budget proposal in late March included requests for 34 miles of additional fencing in this area: nearly $500 million for 28 miles of a new levee-wall system and another $146 million for 6 miles of other wall construction.