National forests. Executive order [that on and after July 1, 1908, land heretofore reserved as parts of Leadville, Pikes Peak, Gunnison, Cochetopah, and Holy Cross national forests shall be known as] Leadville national forest, Colo, [remaining portions of Leadville national forest to constitute parts of Arapaho, Cochetopah, Gunnison, and Holy Cross national forests].