Employed with the Tennessee Department of Transportation since 1972 in the field of Engineering Geology. Currently heads the geo-technical engineering office with TDOT in Knoxville. Authored numerous technical papers dealing with karst, landslides, and other geo-technical issues related to highways.

 

Authored two books on geology: A Roadside Guide to the Geology Of The Great Smoky Mountains National Park, (1988, UT Press), and A Geologic Trip Across Tennessee By Interstate 40, (1994, UT Press). His third book, published in the summer of 2001 is "Discovering October Roads", geology and human history of fall color drives in East Tennessee, UT Press; His fourth book, "The Bone Hunters:the story of the Gray Fossil Site in Tennessee" is due to be released in the summer of 2004, Univ. of Tenn Press.