Section
581b, act May 22, 1928, ch. 678, § 3,
45 Stat. 701, authorized appropriations for investigations of diseases of forest trees and products.
Section
581c, act May 22, 1928, ch. 678, § 4,
45 Stat. 701, authorized appropriations for investigations of forest insects.
Section
581d, act May 22, 1928, ch. 678, § 5,
45 Stat. 701, authorized appropriations for experiments and investigations of life histories and habits of forest animals, birds, and wildlife.
Section
581e, act May 22, 1928, ch. 678, § 6,
45 Stat. 701, authorized appropriations for investigations of the relationship of weather conditions to forest fires.
Section
581f, act May 22, 1928, ch. 678, § 7,
45 Stat. 701, authorized appropriations for experiments and investigations for development of improved methods of management of forest ranges.
Section
581g, act May 22, 1928, ch. 678, § 8,
45 Stat. 701, authorized appropriations for experiments, investigations, and tests of the physical and chemical properties of forest products.
Section
581h, acts May 22, 1928, ch. 678, § 9,
45 Stat. 702; May 31, 1944, ch. 217,
58 Stat. 265; June 25, 1949, ch. 245,
63 Stat. 271; Aug. 8, 1953, ch. 378,
67 Stat. 489; Sept. 25, 1962,
Pub. L. 87–685,
76 Stat. 579; Dec. 14, 1967,
Pub. L. 90–193,
81 Stat. 579; Aug. 17, 1974,
Pub. L. 93–378, § 3(b), formerly § 2(b),
88 Stat. 476, renumbered Oct. 22, 1976,
Pub. L. 94–588, § 2,
90 Stat. 2949, set forth provisions relating to comprehensive survey and analysis of the present and prospective conditions of and requirements for renewable resources.
Section
581i, act May 22, 1928, ch. 678, § 10,
45 Stat. 702, authorized appropriations for economic investigations of forest lands and forest products.