A U.S. Geological Survey scientist posed with a telephone…
2 reactions
A U.S. Geological Survey scientist posed with a telephone pole in the San Joaquin Valley, California indicating surface elevation in 1925, 1955 and 1977. The ground is sinking due to groundwater extraction.
#education
#education
1
1
| 4,000 mlx | |
| 7 | |
| 2 |