. . . . . "hardpan"@en-us . . "caliche"@en-us . . . "0"^^ . "crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions"@en-us . . "crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions"@en-us . "114845578"^^ . . . "14845578-n"^^ . . "114000347"@en-us . . . . "caliche"^^ . "0"^^ . .