60	avg_yield1
60	avg_yield2
60	avg_yield3
60	avg_yield4

-99	high_yield1
-99	high_yield2 
-99	high_yield3
-99	high_yield4 

-99	low_yield1
-99	low_yield2
-99	low_yield3
-99	low_yield4

1500	avg_residue1
1500	avg_residue2
1500	avg_residue3
1500	avg_residue4

-99	users estimate of observed_wind_erosion
10	past WEQ_erosion_estimate