Hey! Hey! Hey! A new book is soon to be out and we want you to be the first to catch up on it!

Bioengineering Case Studies: “Sustainable Stream Bank and Slope Stabilization” presents a range of well-documented case studies on key techniques and best practices for bio-stabilization projects. John McCullah (from here at Dirt Time and Salix Applied Earthcare, Redding, CA) has teamed up with Wendi Goldsmith (Bioengineering Group, Salem, MA) and Donald Gray (The University of Michigan, Ann Arbor, MI) to bring you the best of the best!  

This book offers abundant visual detail, featuring four to five high-quality photographs for each project, totaling nearly 150 images! Bioengineering Case Studies is an ideal book for civil and environmental engineers and environmental scientists working on watershed, infrastructure projects, and municipal scale installations.

Please visit, springer.com for ordering information including more details !!!

Thank you for your support and enthusiasm on our new book!

We would love to hear your thoughts and any kind of feed back!

Thank you,

The Dirt Time Team

Good News from Large Places! We are pleased to announce that us here at Dirt Time, have teamed up with IECA (Internation Erosion Control Association) offering Dirt Time Webinars! Earn 1 PDH per most videos today!


Here is a message from IECA’s Education Director, Jimmy Eanes, CPESC, CESSWI:


We are excited to be able to offer the Dirt Time videos in our online course offerings. The masterful work of John McCullah in using video to teach basic and advanced methodology of Erosion & Sediment Control is some of the best in the industry. We hope our members and soon-to-be members will avail themselves of this content. Thanks to Dirt Time for allowing IECA to add these educational tools to its library.


For more information on registering for a Dirt Time Webinar click here for more details!

We are offering 5 full length videos as listed below:


Pricing: $50 USD per PDH credit!



Any questions/more information, please feel free to e-mail us at info@salixaec.com


Select your currency
USD United States (US) dollar