create index on ssurgo.cosoilmoist (soimoistdept_r);
create index on ssurgo.cosoilmoist (soimoistdepb_r);
create index on ssurgo.cosoilmoist (soimoiststat);
create index on ssurgo.comonth (cokey);
create index on ssurgo.comonth (comonthkey);
create index on ssurgo.component (mukey);
create index on ssurgo.chfrags (chkey);
create index on ssurgo.chorizon (cokey); 
