TLS as president signed “R. N.,” one page, 7 x 10.5, White House letterhead, February 20, 1973. Letter to friend Cy Laughter. In part, “The problem of the economics of environmental protection is, indeed, a major one -- and one to which we shall continue to devote a great deal of study. It is heartening to know that you are thinking along these lines and that we shall have the benefit of your counsel and expertise.” In fine condition. R&R COA.