The Hoover Dam description on the case gives neither the run time nor the year(s) of the footage. The Puerto Rico case does not give the run time.
Some of the information in the drop-down menu got cut off in four listings. Here are the full descriptions:
- Chinese culture (1920s-'60s, 50 min)
- Columbia River (1940s-50s, 31 min)
- Mexican-American Culture (1937, 1959, 43 min)
- New Orleans/Mardi Gras (1941, 10 min)