000			01521cam a22003011 4500
001			gs 41000011
003			DLC
005			20260227111346.0
008			780909s1940 ilua b s000 0 eng
010			_ags 41000011
035			_a(OCoLC)4209290
040			_aDLC _cUU _dOCoLC _dDLC
050	0	0	_aTN941 _b.G77
051			_aQE105 _b.A25 no. 69 _cCopy 2.
082			_a552/.52
100	1		_aGrim, Ralph E. _q(Ralph Early), _d1902-
245	1	4	_a(1) Elements of the petrographic study of bonding clays and of the clay substance of molding sands _c[by] Ralph E. Grim. (2) Mineral composition and texture of clay substance of natural molding sands [by] Ralph E. Grim and Carl E. Schubert. (3) The relationship between the physical and mineralogical characteristics of bonding clays [by] Ralph E. Grim and Richards A. Rowland ... Printed by authority of the state of Illinois.
260			_aUrbana, Ill., _c1940.
300			_a32 p. incl. illus., tables, diagrs. _c25 cm.
490	0		_aIllinois. State geological survey. Report of investigations _vno. 69
500			_aAt head of title: State of Illinois ... Department of registration and education ... Division of the State geological survey ...
500			_a"Reprinted from the Transactions of the American foundrymen's association, vol. 47, no. 4, pp. 895-908, 935-953; vol. 48, no. 1, pp. 211-224, 1940."
504			_aBibliography: p.32.
650		0	_aClay.
650		0	_aSand.
700	1		_aSchubert, Carl Edward, _d1899-
700	1		_aRowland, Richards A.
999			_c27686 _d27686