30	avg_yield1
-99	avg_yield2
-99	avg_yield3
-99	avg_yield4

45	high_yield1
-99	high_yield2 
-99	high_yield3
-99	high_yield4 

17	low_yield1
-99	low_yield2
-99	low_yield3
-99	low_yield4

3096	avg_residue1
-99	avg_residue2
-99	avg_residue3
-99	avg_residue4

4100	high_residue1
-99	high_residue2
-99	high_residue3
-99	high_residue4
    
2130	low_residue1
-99	low_residue2
-99	low_residue3
-99	low_residue4

4.5	users estimate of observed_wind_erosion
6	past WEQ_erosion_estimate