Here are the descriptions matched to the correct mining types:
- Underground Mining: The drilling deep into the Earth to collect ores and minerals.
- Open-Pit Mining: The collection of ores and minerals close to the Earth's surface, removing large portions of the surface at a time.
- Placer Mining: The removal of minerals from alluvial deposits and streams beds.
- Strip Mining: The collection of ores and minerals close to the Earth's surface, removing narrow portions of the surface at the time.