II 115th CONGRESS 1st Session S. 509 IN THE SENATE OF THE UNITED STATES March 2, 2017 Mr. Barrasso (for himself, Mr. Enzi , Ms. Murkowski , and Mr. Risch ) introduced the following bill; which was read twice and referred to the Committee on Energy and Natural Resources A BILL To improve the control and management of invasive species that threaten and harm Federal land under the jurisdiction of the Secretary of Agriculture and the Secretary of the Interior, and for other purposes.