Arthur Roberts and Sam Mynatt drilling in lateral test shaft for examination of substrata at base of Norris Dam, October 1933
| Uploaded by | U.S. National Archives |
|---|---|
| License | No known copyright restrictions |
| Comments | 0 |
| Favorites | 2 |
| Views | 7,275 |
| Date taken | 1933-10 |
| Date uploaded | 2012-07-03 |
| Tags | nara:arcid=532678, usnationalarchives, lewishine |
| Visibility | public |