(a) Executive Order 11988—Floodplain Management, dated 24 May 1977.

(b) U.S. Water Resources Council, Floodplain Management Guidelines, (43 FR 6030), to February 1978.

(c) ER 1105-2-811.

(d) ER 1140-2-302.

(e) ER 1140-2-303.

(f) EP 1165-2-2.