=LDR 00000nam a2200000ui 4500 =001 4923 =008 250530s1922\\\\xx\|||||||||||||||||eng\d =082 04$a551.48 WEN =100 1\$aWentworth, Chester K. =245 10$aA scale of grade and class terms for classic sediments =260 \\$c1922 =852 \\$bFreeman Library$cPamphlets$h551.48 WEN