Answer: hardpan

AnswerCrossword Clue
HARDPANSolid, unplowed land.
hardpanhard, unbroken ground
hardpanthe fundamental or basic aspect of anything; solid foundation; underlying reality
hardpanany layer of firm detrital matter, as of clay, underlying soft soil
hardpana layer of hard subsoil
HARDPANDrainage impairer
HARDPANClay layer under soil
HARDPANType of subsoil.
HARDPANSolid base.
HARDPANFirm soil
HARDPANBedrock.
HARDPANSolid foundation.
HARDPANRock bottom.
HARDPANFirm layer of clay underlying soft soil.
HARDPANCompact soil layer
HARDPANFirm, dry ground
HARDPANSubsoil layer
HARDPANBedrock