| benthos.org | NABS- North American Benthological Society |
| epa.gov | EPA: Best Management Practices for Soil Erosion |
| constr.com | Erosion Technology Consulting |
| colostate.edu | Demonstration Erosion Control Home |
| iagi.org | IAGI. International Association of Geosynthetic Installers |
| gmanow.com | GMA. Geosynthetic Materials Association |
| geosyntheticssociety.org | IGS. International Geosynthetics Society |
| geoinstitute.org | Geo-institute Main Page |
| utexas.edu | NAMS. North American Membranes Society |
| adsc-iafd.com | ADSC. The International Association of Foundation Drilling |
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