50th Anniversary Migratory Bird Treaty United States-Canada 1966

FIRST DAY OF ISSUE MIGRATORY BIRD TREATY 1916 UNITED STATES-CANADA 1966 Txos 16 1966 FIRST DAY OF ISSUE U. S.AND CANADA COOPERATE TO PROTECT BIRDS, SUCH AS WHOOPING CRANES, WHICH MIGRATE. SEASONALLY BETWEEN THE TWO COUNTRIES 50 Anniversary MIGRATORY BIRD TREATY at, UNITED STATES-CANADA Arh Craft 1966 PA