California fish and game biologist checks sample taken from Colorado River for oxygen content, May 1972
| Uploaded by | U.S. National Archives |
|---|---|
| License | No known copyright restrictions |
| Comments | 0 |
| Favorites | 2 |
| Views | 8,519 |
| Date taken | 1972-05 |
| Date uploaded | 2012-05-07 |
| Tags | nara:arcid=549061, usnationalarchives, environmentalprotectionagency, documerica |
| Visibility | public |