Section
564, act June 7, 1924, ch. 348, 1, 43 Stat. 653, required cooperation between the Secretary of Agriculture and State officials as to recommendations for forest fire prevention and suppression systems. Section
565, acts June 7, 1924, ch. 348, 2, 43 Stat. 653; Mar. 3, 1925, ch. 447, 43 Stat. 1127; Apr. 13, 1926, ch. 119, 44 Stat. 242; Sept. 21, 1944, ch. 412, title II, 207, 58 Stat. 736; July 25, 1947, ch. 327, 1, 61 Stat. 449, required cooperation between the Secretary of Agriculture and State officials in fire protection of timbered and forest-producing lands.