TY  - BOOK
AU  - Wood,Gordon H.
AU  - Arndt,Harold H.
AU  - Carter,M.Devereux
ED  - United States
TI  - Systematic jointing in the Western part of the Anthracite region of Eastern Pennsylvania
U1  - 557.48 
PY  - 1969///
CY  - Washington, D.C
PB  - United States Government Printing Office
KW  - Geology
KW  - Pennsylvania
KW  - Survey
N1  - A description of a conjugate joint system in folded rocks and the determination of relative age of joint sets and other structural features
ER  -