
The Coretest Systems URC-628 Ultra Rock Centrifuge is used to measure capillary pressure saturation and unsaturated hydraulic conductivity functions on rock and soil samples. |

The Bookhaven Instruments BI-XDC Particle Sizer, which is used to measure soil and sediment particle size distributions within the range of 10's of microns down to 10's of nanometers. |

Modeling with fractals. |