=LDR 22 4500 =001 6441 =082 04$a631.4 RUS =100 1\$aRussell, John E. =245 10$aThe World of the Soil Illustrated =260 \\$aLondon :$bCollins,$c1957 =650 \0$aBooks =852 \\$bGeography Basement$h631.4 RUS