An estimated 300,000 illegal immigrants traversed Buenos Aires' 118,000 acres in 2007, leaving tons of trash, rusting abandoned cars, biologically hazardous waste and vehicle tracks that reduced parts of the landscape to a dusty wasteland.

That hurts just about every aspect of the refuge's mission, which was established in 1985 to try to preserve the endangered masked bobwhite quail, one of seven endangered species on the refuge.

By Stephen Dinan -- Washington Times

Illegal Immigration

Updated: Tue, Oct 27th 2009 @ 11:37am EDT