set of terraces - shot coal
- shallow dipping overthrust
- shallow dipping vein
- shallow dome
- shallow drilling
- shallow earth
- shallow earthquake
- shallow electrical exploration
- shallow electrical prospecting
- shallow exploration
- shallow gas
- shallow hoisting
- shallow hole shooting
- shallow horizon
- shallow intercepts
- shallow interface
- shallow investigations
- shallow lying coal
- shallow marine sandstone deposits
- shallow mine
- shallow open-pit
- shallow part of the section
- shallow penetration curve
- shallow penetration survey
- shallow penetration works
- shallow placer
- shallow reflection
- shallow reflection measurements
- shallow reflector
- shallow refraction equipment
- shallow refraction measurements
- shallow reservoir
- shallow resistivity measurements
- shallow salt dome
- shallow seismic investigations
- shallow shaft
- shallow soil
- shallow structure
- shallow target
- shallow tunnel
- shallow water