Texas system gets 2/3 of the permanent endowment fund.
There are certain restrictions, but it allows other money to be shifted from building facilities.
The original one million acres was "much less desirable land in arid western Texas...it had no timber, was too arid for small farming, and had no special mineral resources that anyone was aware of." In 1883, Texas and Pacific Railroad returned 1 million acres (4,000 km2), deemed too worthless to survey, to the State Government, which turned the land over to the PUF. Initially, the little revenue PUF earned from its lands were from grazing leases.