TY  - RPRT
TI  - A comparative analysis of pre-Silurian crustal building blocks of the northern and the southern Appalachian orogen
AU  - J.P. Hibbard
AU  - C.R. van Staal
AU  - D.W. Rankin
PY  - 2007
DO  - 10.2475/01.2007.02
UR  - https://pubs.usgs.gov/publication/70033151
ID  - 70033151
ER  -