Structure of Clay
  from Robert Harter at UNH

1. http://pubpages.unh.edu/~harter/crystal.htm
2. http://pubpages.unh.edu/~harter/muscovite.html

  from Philip Barak, U. Wisconsin, and Ed Nater, U. Minnesota
     (requires plug-ins)
3. The Virtual Museum of Minerals and Molecules

  from Matt Eick, at Virginia Polytechnic Institute
     (requires Quicktime plug-in)
4Intro to Clay Mineralogy

Soil Aggregation

5.  http://www.agri.upm.edu.my/jst/resources/as/om_toc.html
 

Some soil water sites

Interactive site at Oklahoma State, D.L. Nofziger and Jinquan Wu

6.  http://soilphysics.okstate.edu/toolkit/
 

Excellent Soil Water Site from Harold van Es at Cornell

7.  http://www.scas.cornell.edu/hmv1/watrsoil/wtsl.htm
 

Another on water movement in the landscape

8.  http://www.scas.cornell.edu/hmv1/watrshed/wtsd.htm
 

Introduction to Soil Water Potential

9.  http://taipan.nmsu.edu/aght/soils/soil_physics/tutorials/wp/wp_tut.html
 

Basic Soil Water Slide Show

10.  http://ucs.byu.edu/bioag/aghort/282pres/Moisture/index.htm
 

from a course: Introduction to Surface Water Quality Modeling

11.  http://www3.bae.ncsu.edu/info1/courses/bae573/handouts.html
 

Sites to download reactive transport models

Chemflo-2000

http://soilphysics.okstate.edu/software/chemflo-2000.html

Macro

http://www.mv.slu.se/bgf/defeng.htm
 

Przm2

ftp://ftp.epa.gov/epa_ceam/wwwhtml/ceamhome.htm

Here's the self-extracting file:  INSTALP2.EXE
 

NRCS site to download soil properties

http://vmhost.cdp.state.ne.us:96/METHD.HTML