![I-35 TxDOT PIOs on Twitter: "Do you ever see something along the road & wonder #WhatTheHeckIsThatThing? Silt fences & rock filter dams explained https://t.co/SRYSw22m50 https://t.co/eprU2OZjP2" / Twitter I-35 TxDOT PIOs on Twitter: "Do you ever see something along the road & wonder #WhatTheHeckIsThatThing? Silt fences & rock filter dams explained https://t.co/SRYSw22m50 https://t.co/eprU2OZjP2" / Twitter](https://pbs.twimg.com/media/CzkJu9dXAAE67mL.jpg)
I-35 TxDOT PIOs on Twitter: "Do you ever see something along the road & wonder #WhatTheHeckIsThatThing? Silt fences & rock filter dams explained https://t.co/SRYSw22m50 https://t.co/eprU2OZjP2" / Twitter
![Filter dams temporarily impound shallow water but allow water to seep... | Download Scientific Diagram Filter dams temporarily impound shallow water but allow water to seep... | Download Scientific Diagram](https://www.researchgate.net/profile/Jeremy-Maestas-2/publication/325651474/figure/fig8/AS:635253504897025@1528467646943/Filter-dams-temporarily-impound-shallow-water-but-allow-water-to-seep-through-the-porous.png)
Filter dams temporarily impound shallow water but allow water to seep... | Download Scientific Diagram
![PDF] The Design of Filter Materials and their Importance in Geotechnical Engineering | Semantic Scholar PDF] The Design of Filter Materials and their Importance in Geotechnical Engineering | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/9d6423d80baceb01f875cfc4bb6617e8db2ad945/4-Figure2-1.png)
PDF] The Design of Filter Materials and their Importance in Geotechnical Engineering | Semantic Scholar
![Typical configuration for a filter diaphragm. See the location of the... | Download Scientific Diagram Typical configuration for a filter diaphragm. See the location of the... | Download Scientific Diagram](https://www.researchgate.net/profile/Melih-Calamak/publication/328748365/figure/fig1/AS:689693884702720@1541447244192/Typical-configuration-for-a-filter-diaphragm-See-the-location-of-the-filter-diaphragm-is.png)
Typical configuration for a filter diaphragm. See the location of the... | Download Scientific Diagram
![Rock fill dam with vertical clay core chimney filter and horizontal... | Download Scientific Diagram Rock fill dam with vertical clay core chimney filter and horizontal... | Download Scientific Diagram](https://www.researchgate.net/profile/Lubna-Bentaher/publication/330113598/figure/fig3/AS:711332273860614@1546606238984/6-Rock-fill-dam-with-vertical-clay-core-chimney-filter-and-horizontal-blanket.png)