
      real p1,p2,p3,p4,ddx,ddy,rddx,rddy,dtt,dt1,dt2
      integer ix,jy,ixp,jyp,ngrid,indz,indzp
      logical depoindicator(maxspec)
      logical indzindicator(nzmax)

      common /interpol/
     +p1,p2,p3,p4,ddx,ddy,rddx,rddy,dtt,dt1,dt2,
     +ix,jy,ixp,jyp,indz,indzp,ngrid,
     +depoindicator,indzindicator

