30th Anniversary of the Antarctic Treaty, 1961-1991

First day cover. British Antarctic Territory: Rothera. Cachet: science and management through co-operation and conservation. Four stamps: Dry Valley; mapping of the ice sheet; biomass; ross seal. 2 December 1991.

Bibliographic Details
Other Authors:	Child, Jack (Creator)
Format:	Other/Unknown Material
Language:	unknown
Published:	American University Library. Archives and Special Collections. 1991
Subjects:	Antarctic Treaty system British Antarctic Territory Antarctica > Pictorial works Postage stamps > Antarctica First day covers (Philately) > Antarctica Cachets (Philately) > Antarctica Antarctic Rothera The Antarctic Antarc* Antarctica Ice Sheet Ross Seal
Online Access:	https://auislandora.wrlc.org/islandora/object/auislandora%3A4943/datastream/TN/view/30th%20Anniversary%20of%20the%20Antarctic%20Treaty,%201961-1991.jpg

Description
Summary:	First day cover. British Antarctic Territory: Rothera. Cachet: science and management through co-operation and conservation. Four stamps: Dry Valley; mapping of the ice sheet; biomass; ross seal. 2 December 1991.