The University of South Carolina is accepting registrations from volunteers to help excavate archaeological sites along the Savannah River April 30-June 2. The expedition will be led by archaeologist Albert Goodyear, whose discoveries at the Topper site in Allendale County have captured international media attention. Volunteers will learn excavation techniques and how to identify Clovis and pre-Clovis artifacts in several prehistoric chert quarries. This year, some volunteers may also be involved in the excavation of a nearby Paleoamerican site known as the Charles site. The cost is $488 per week ($400 is tax-deductible) and includes evening lectures and programs, lunch...