TY  - BOOK
AU  - Loughlin,G.F.
TI  - The gabbros and associated rocks at Preston, Connecticut
T2  - U.S. Geological survey. Bulletin 492
AV  - QE75 .B9 no. 492
PY  - 1912///
CY  - Washington
PB  - Govt. Print.Off.
KW  - Petrology
KW  - Connecticut
KW  - Preston
N1  - Includes index
ER  -