Unknown2018-07-052018-07-051962-12REI-028-11-023http://hdl.handle.net/20.500.11867/82111 card 6 x 5 inch. Printed. Annotated."Sylvester I. Olson formerly with United States Department of the Interior and the International Cooperation Administration of the United States Department of State...."No Known Copyright The organization that has made the Item available reasonably believes that the Item is not restricted by copyright or related rights, but a conclusive determination could not be made. Please refer to the organization that has made the Item available for more information. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use.