This medal's obverse bears muscular male figure standing in water, holding back two horses with outstretched arms; clouds and lightning in background. Around, COMMEMORATING THE DEDICATION OF LIBBY DAM / KOOTENAI RIVER MONTANA - AUGUST 24, 1975; signed over water at right, WEIN, Sc.
The reverse bears two jumping fish above conjoined American Eagle and Canadian Maple Leaf. Above, CONSTRUCTED BY THE / U.S. ARMY CORPS OF ENGINEERS / UNDER THE COUMBIA RIVER TREATY / BETWEEN THE UNITED STATES / AND CANADA
This is a really handsome medal that is somewhat reminiscent of much earlier art deco medals.
The circular medal was struck in bronze by the Medallic Art Company of Danbury, Connecticut.
References: MACo 1975-152