000 00961cam a22002291 4500
001 gs 42000235
003 DLC
005 20260227111348.0
008 790608r1942uuuuilua s000 0 eng
010 _ags 42000235
035 _a(OCoLC)5048490
040 _aDLC
_cTxCM
_dDLC
050 0 0 _aQE471
_b.G73
100 1 _aGrim, Ralph E.
_q(Ralph Early),
_d1902-
245 1 0 _aModern concepts of clay materials,
_cby Ralph E. Grim. Printed by authority of the state of Illinois.
260 _aUrbana, Illinois,
_c1942.
300 _a225-275 p.
_billus.
410 2 0 _aIllinois State Geological Survey
_tReport of investigations
_vno. 80
500 _aAt head of title: State of Illinois, Dwight H. Green, Governor. Department of Registration and Education, Frank G. Thompson, Director. Division of the State Geological Survey, M. M. Leighton, Chief, Urbana.
500 _a"Reprinted from the Journal of Geology, vol. I, no. 3, April-May, 1942."
650 0 _aClay.
999 _c27820
_d27820