Subject
- Water table2
- Water use2
- AK, northwest1
- Alluvial fans1
- Alluvium1
- Analysis1
- Anomalies gravimétriques1
- Antimony ores1
- Atmospheric temperature1
- Atomic absorption spectroscopy1
- Beryllium ores1
- Bismuth ores1
- Borings1
- Campbell County1
- Cenozoic Geologic Period1
- Census districts1
- Climatology1
- Coal mines and mining1
- Composition1
- Copper1
