- Parts list – Progressive Cavity Pumps
- Large Series Core barrel – Instructions
- Wire line Core Barrel Usage
- Rod Make-Up Torques
- Common Conversion Factors
- Information on Bishop Sand SamplerHollow Stem Auger Nomenclature
- Difference between standard and Heavy duty Samplers
- Differences between DCDMA “J” drill rod and “W” drill rod
A New World of Geotechnical Supply