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INTRODUCTION
History
Authority and Area Covered
Summary of Mapped Data
Sources of Information
Farm Definition
Reference Periods
Respondent Confidentiality
How the Maps Were Made
Choropleth Maps
Dot Distribution Maps
GENERAL EXPLANATION
Data Collection
Initial Mailing
Statistical Methodology
GLOSSARY
Definitions and Explanations
SUMMARY OF MAPPED DATA
U.S. Totals for 1997
U.S. Totals for 1992
Change From 1992 to 1997
Percent Change
ABSTRACT
Type of File
Universe Description
Subject-Matter Description
Geographic Coverage
Technical Description
Reference Materials
Related Printed Reports
Related Machine-Readable Data Files
PUBLICATION PROGRAM
Volume 1, Geographic Area Series (AC97-A-1 to 55)
Volume 2, Subject Series (AC97-S-1 to 3)
Volume 3, Special Studies (Parts 1-4)
Specialty Products, Congressional Districts Tabulations
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nass@nass.usda.gov