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| Hydrologist Dan Driscoll recounting historic floods |
There was standing room only Tuesday night (2/5/13) as more than 100 people sandwiched themselves inside the Senior Citizen's Center in Spearfish to hear Dan Driscoll talk about flooding.
It's a topic all too familiar to many residents of the northern Black Hills, and memories of the devastating Rapid City flood of 1972 came back with little prompting as Driscoll gave the group an hour-long overview of historic floods in the Black Hills region.
An hydrologist with the U. S. Geological Survey in Rapid City, Driscoll has been very involved with studies relating to flood-frequency analysis. Well rooted in science, he provided members of the Spearfish Area Historical Society with a thumbnail sketch of how scientists go about measuring size and frequency of flooding -- underscoring the importance of historical data, while conceding that there's still a lot of uncertainty about flow estimates in flooding rivers.
Driscoll's presentation -- including links to historic flood photographs and information -- is reported on the web site of the Spearfish Area Historical Society. Read more here...
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