ATLANTIC-PACIFIC INTEROCEANIC CANAL STUDY COMMISSION 726 JACKSON PLACE, N.W. WASHINGTON, D.C. 20506 February 4, 1969 Mr. Joshua Lederberg The Washington Post 1515 L Street, N. W. Washington, D. C. Dear Mr. Lederberg: In view of your February 1 column in the Washington Post, I believe you will be interested in the enclosed copies of two letters recently sent to SCIENCE Magazine. The Canal Study Commission is well aware of the importance of environmental research in connection with its investigation and is doing every- thing in its power to insure its accomplishment, Sincerely, John P, Sheff Executive Director Enclosures