Section, acts Aug. 31, 1954, ch. 1158,
68 Stat. 1020; Aug. 28, 1957,
Pub. L. 85–207, § 10,
71 Stat. 483; Mar. 15, 1976,
Pub. L. 94–229, § 1,
90 Stat. 210; Oct. 27, 1986,
Pub. L. 99–544, § 1(a),
100 Stat. 3046, provided that Secretary of Commerce take periodic censuses of agriculture and irrigation.