alluvium : 43 phrases in 15 subjects |
Agriculture | 1 |
Agrochemistry | 12 |
General | 2 |
Geography | 3 |
Geology | 7 |
Geophysics | 1 |
Gold mining | 1 |
Hydrogeology | 1 |
Hydrology | 2 |
Makarov | 4 |
Oceanography & oceanology | 2 |
Oil / petroleum | 1 |
Rail transport | 1 |
Technology | 1 |
Water resources | 4 |