Pennsylvanian underclays: potential bonding clays for use in foundries.
Murray, Haydn H. 1924-
Pennsylvanian underclays: potential bonding clays for use in foundries. - Bloomington, 1957. - 27 p.
"Literature cited": p. 27.
gs 58000173
Clay--Indiana.
QE109 / .A3 no. 11
Pennsylvanian underclays: potential bonding clays for use in foundries. - Bloomington, 1957. - 27 p.
"Literature cited": p. 27.
gs 58000173
Clay--Indiana.
QE109 / .A3 no. 11