43 U.S. Code § 43. Copies to Senators, Representatives, and Delegates

One copy of each map and atlas shall be sent to each Senator and each Representative and Delegate in Congress, if published within his term; and a second copy shall be placed at the disposal of each such Senator, Representative and Delegate

(Feb. 18, 1897, No. 13, § 2, 29 Stat. 701.)