<Li> The Golden Spike National Historic Site as authorized as a National Historic Site on April 2, 1957 under non-federal ownership . It was authorized for federal ownership and administration by an act of Congress on July 30, 1965 . </Li> <Li> The Juan Bautista de Anza National Historic Trail was designated in 1990 . </Li> <Li> The Pony Express and California National Historic Trails were designated in 1992 . </Li> <Li> The Mojave National Preserve was established October 31, 1994 with the passage of the California Desert Protection Act by the US Congress . </Li>

Which state includes a large part of the great basin