The commissioner is hereby authorized to make such rules as may be necessary to carry out the purposes of sections 94.47 to 94.51 and is hereby authorized to enter into cooperative agreements with appropriative officials of the United States for and on behalf of the state of Minnesota in order to secure the full benefits to this state of the provisions of an Act of Congress introduced March 21, 1935, as H.R. 6914, and all other acts of Congress which have been or may be passed providing for ways and means of authorizing cooperation with the states for the purpose of stimulating the acquisition, development, and management of state lands and coordinating federal and state activities in carrying out a national program of land use and management, and for other similar purposes; that sections 94.47 to 94.51 and all other acts and amendments thereto and all rules and agreements made hereunder shall be liberally construed for the purpose of making possible the complete cooperation of the agencies of this state with the agencies of the federal government.