TY  - BOOK
AU  - Murray,Haydn H.
TI  - Pennsylvanian underclays: potential bonding clays for use in foundries
AV  - QE109 .A3 no. 11
PY  - 1957///
CY  - Bloomington
KW  - Clay
KW  - Indiana
N1  - "Literature cited": p. 27
ER  -