TY  - BOOK
AU  - Peck,Frederick Buritt
TI  - Preliminary report on the talc and serpentine of Northampton County and the Portland cement materials of the Lehigh District,
AV  - GA61.P4 A5 no. 5
PY  - 1911///
CY  - Harrisburg
PB  - C. E. Aughinbaugh
KW  - Serpentine
KW  - Talc
KW  - Portland cement
ER  -