=LDR 22 4500 =001 2232 =082 04$a551.1 GRI =100 1\$aGriggs, Gary B. =245 10$aGeologic hazards, Resources, and Environmental Planning =260 \\$aBelmontBelmont :$bWadsworth,$c1983 =650 \0$aBooks =700 1\$aGilchrist, John A. =852 \\$bFreeman Library$h551.1 GRI