TY  - BOOK
AU  - Drake,Avery Ala
AU  - Lyttle,Peter T.
TI  - The Accotink schist, Lake Barcroft metasandstone, and Popes Head Formation--keys to an understanding of the tectonic evolution of the northern Virginia Piedmont
T2  - Geological Survey professional paper
U1  - 551.72309755291 
PY  - 1981///
CY  - Washington, D.C.
PB  - United States Government Printing Office
KW  - Geology, Stratigraphic
KW  - Cambrian
KW  - Schist
KW  - Virginia, Northern
KW  - Sandstone
KW  - Geology
N1  - Bibliography: p. 15-16
ER  -