Future-Proofing Conservation
October 21, 2021
In engineering circles, the concept of safety factors has been evolving for a couple millennia. A rock pyramid, whether in... Read More →
Large Meteor Impacts, Part III: Iowa
April 2, 2021
A century ago, well-drillers in the vicinity of Manson, Iowa, knew that there was something different about the local bedrock... Read More →
Spillways Cope with Excess Water
April 30, 2020
While it is relatively simple and inexpensive to design and build a grassed spillway to cope with overflow from a... Read More →
Managing Construction Erosion
October 17, 2019
Every year there is a lot of construction activity in our area, assured by the growing metropolis in our midst.... Read More →
Pulling the Plug on Lake Calvin
March 22, 2018
On the south side of Iowa City there are some very extensive flat lands that run along both sides of... Read More →
Check Dams, a Great Concept for Gully Management, Often Badly Implemented
June 19, 2017
In a previous blog (Honeysuckle Brush for Erosion Control and Habitat) I mentioned that for little gullies in small watersheds,... Read More →
