TY - RPRT TI - Age and origin of the Austell Gneiss, western Georgia Piedmont-Blue Ridge, and its bearing on the ages of orogenic events in the Southern Appalachians AU - Michael W. Higgins AU - Joseph G. Arth AU - Joseph L. Wooden AU - Thomas J. Crawford AU - Thomas W. Stern AU - Ralph Crawford PY - 1997 DO - 10.1130/0-8137-1191-6.181 UR - https://pubs.usgs.gov/publication/70246429 ID - 70246429 ER -