page, by mail, or by e-mail to: 
DataLab 
National Agrieultural Statisties Serviee 
Room 6436A, Stop 2054 
1400 Independenee Avenue, S.W. 
Washington, D.C. 20250 - 2054 
or 
Datalab@nass.usda.gov 
ABBREVIATIONS AND SYMBOLS 
The following abbreviations and symbols are used 
throughout the tables: 
Represents zero. 
(D) Withheld to avoid diselosing data for 
individual farms. 
(H) Coeffieient of variation is greater than 
or equal to 99.95 pereent or the standard 
error is greater than or equal to 99.95 
pereent of mean. 
(L) Coeffieient of variation is less than 
0.05 pereent or the standard error 
is less than 0.05 pereent of the mean. 
(IC) Independent eity. 
(NA) Not available. 
(X) Not applieable. 
(Z) Less than half of the unit shown. 
ewt Hundredweight. 
sq ft Square feet. 
X INTRODUCTION 
2012 Census of Agriculture 
USDA, National Agricultural Statistics Service 
