Executive Agreements Database, Statement Regarding the Memorandum of Understanding Between The Geological Survey of the Department of the Interior of the United States of America and The Cesky Geologicky Ustav, Praha, and The Geologicky Ustav Dionyza Stura, Bratislava, of the Czech and Slovak Feder

TIAS 11972 First signed 04/10/1992 Last signed 04/10/1992 Entry in force (supplemented by last signed) 04/10/1992 C06549176 cover memoTIAS 11972号文件，首次签署日期为1992年10月4日，末次签署日期为1992年10月4日，生效日期（以末次签署日期为准）为1992年10月4日，编号为C06549176，附封页备忘录。