35	avg_yield1
50	avg_yield2
-99	avg_yield3
-99	avg_yield4

55	high_yield1
85	high_yield2 
-99	high_yield3
-99	high_yield4 

20	low_yield1
20	low_yield2
-99	low_yield3
-99	low_yield4

2500	avg_residue1
2800	avg_residue2
-99	avg_residue3
-99	avg_residue4

-99	high_residue1
-99	high_residue2
-99	high_residue3
-99	high_residue4
    
-99	low_residue1
-99	low_residue2
-99	low_residue3
-99	low_residue4

11	users estimate of observed_wind_erosion
8	past WEQ_erosion_estimate