Bollinger, G. A., & Wheeler, R. L. (1989). The Giles County, Virginia, seismic zone: Seismological results and geological interpretations. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationBollinger, G. A., and Russell L. Wheeler. The Giles County, Virginia, Seismic Zone: Seismological Results and Geological Interpretations. [Reston, Va.]: Dept. of the Interior, U.S. Geological Survey, 1989.
MLA (9th ed.) CitationBollinger, G. A., and Russell L. Wheeler. The Giles County, Virginia, Seismic Zone: Seismological Results and Geological Interpretations. Dept. of the Interior, U.S. Geological Survey, 1989.
Warning: These citations may not always be 100% accurate.