MT3D-USGS is an update of MT3DMS and is maintained by Vivek Bedekar (SSPA), Eric Morway (USGS), Chris Langevin (USGS), and Matt Tonkin (SSPA). MT3D-USGS includes new transport modeling capabilities to ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

The SWI Package for MODFLOW 6 is being developed on a feature branch. Recent copies of the input instructions and windows executable can be downloaded from the releases on this repository. If you want ...

It is commonly believed that geometry began as a practical subject, and came into being as a result of everyday concerns. The earliest practitioners of geometry developed a set of rules to calculate ...

It’s no secret that many of us are not too fond of mathematics and geometry, and that it is often too complex. But even so, it can be pretty mind-blowing to look back in history and discover the ...