Soil Conservation Society of America. 39th Annual Meeting. "Commemorating Fifty Years of Natural Resource Conservation." Oklahoma City, Oklahoma. Commemorative Folder Set (3 items). 1) Large (6" x 9") Printed Envelope 2) Limited Edition (No. 303 of 2,250) Souvenir 2nd Day Folder with First Day Cancellation of Scott #2074 20c Soil and Water Conservation  commemorative stamp, FDOI, February 6, 1984, Denver, Colorado & Combo Meeting Date Cancellation, July 30, 1984, ties U.S. Conservation Stamps #s 1122, 1133, 1150, 1176, 1392 Legacy of Our Land Conservation Station, Oklahoma City, Oklahoma., 3) Meeting Cover with 2nd Day Cancellation of #2074, SDOI, July 30, 1974, Legacy of Our Land Conservation Station, Oklahoma City, Oklahoma. Souvenir Folder measures 8" x 5".