A few miles south of Greensburg, there is a noticeable dip in the road as you drive along Louisiana Highway 37. But it doesn't seem out of place among the Gentle Hills of St. Helena Parish. Nothing seemed unusual until LSU scientists working for the Louisiana Geological Survey began mapping the area. Read more
The Brushy Creek Feature, a Potential Louisiana Impact Crater
Between 1996 and 1997, Richard P. McCulloh, the author, and John Snead of the Louisiana Geological Survey compiled McCulloh et al. (1997). This research revealed an anomalous circular feature, which McCulloh et al. (1997) mapped as "Quaternary undifferentiated," southwest of Greensburg, Louisiana, in the southwest corner of St. Helena Parish. This feature is named the "Brushy Creek feature" for the headwaters of Brushy Creek, which lie within this feature. Read more