Oil being applied to control slope erosion at Silver Lake-Picture Rock Pass Section. Original caption: 39-3335 - Silver Lake-Picture Rook Pass· Section. 136-D (2). View looking south from Station 4660 showing completed oiling of blow sand slopes. July 19, 1939. Original caption: 39-3336 - Silver Lake-Picture Rock Pass Section. 136-D (2). View taken at about Station 4630 showing a close-up view of completed oiling of sand slope, also appearance after being exposed to a severe windstorm. July 19, 1939.

---

Size: 6954px × 5138px
Photo credit: © NB/PR / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: