On 3 March, the passage of the Forest Reserve Act enabled the U.S. president to close public forest lands to settlement so that he could establish national parks.
Richert, Lucas Paul. "Forest Reserve Act". The Literary Encyclopedia. First published 01 February 2009; last revised 30 November -1.
[http://www.litencyc.com/php/stopics.php?rec=true&UID=5984, accessed 20 April 2015.]