Table D. Reliability Estimates of State Totals: 



[For meaning of abbreviations and symbols, see introductory text] 



1987 -Con. 



Relative standard 



error of estimate 



(percent) 



Petroleum products . 

 Electricity 



$1,000. 



"si.ooo: 



Hired farm labor 

 Contract labor __ 

 Repair and 



$1,000. 

 I hire, and rental of machinery and equipment farms. 



Selected crops harvested: 

 Corn for grain or seed .. 



Corn tor silage or green chop- 



1 potatoes farms.. 



for sale (see text) . 



i sold are included as farms with c 



C-10 APPENDIX C 



1987 CENSUS OF AGRICULTURE 



