Public Law 92–149

That all costs heretofore or hereafter incurred from funds appropriated to the Bureau of Reclamation and costs transferred to it for (1) investigations and surveys of potential projects or divisions or units of projects which have not been authorized for construction prior to the date of this Act, (2) investigations and surveys of potential units or divisions of the Pick-Sloan Missouri River Basin program requiring amendatory authorization, under terms of Public Law 88–442 (78 Stat. 446), after the effective date of this Act, (3) studies of rehabilitation and betterment and water conservation requirements of existing projects relating to work for which repayment contracts have not been executed prior to the date of this Act, (4) studies relating to the comprehensive plan of development of the Missouri River Basin, and (5) general engineering and research studies shall be nonreimbursable.