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Data Series 932

Prepared in cooperation with the University of Delaware Agricultural Extension

Geospatial Compilation and Digital Map of Center-Pivot Irrigated Areas in the Mid-Atlantic Region, United States

By Jason S. Finkelstein and Mark R. Nardi

U.S. Department of the Interior
SALLY JEWELL, Secretary

U.S. Geological Survey
Suzette M. Kimball, Acting Director

U.S. Geological Survey, Reston, Virginia: 2015

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Suggested citation:

Finkelstein, J.S., and Nardi, M.R., 2015, Geospatial compilation and digital map of centerpivot
irrigated areas in the mid-Atlantic region, United States: U.S. Geological Survey Data Series 932, https://dx.doi.org/10.3133/ds932.

ISSN 2327-638X (online)

Conversion Factors

Inch/Pound to International System of Units

Multiply By To obtain
Length
inch (in.) 2.54 centimeter (cm)
Area
acre 4,047 square meter (m2)
acre 0.4047 hectare (ha)
square mile (mi2) 259.0 hectare (ha)

Datum

Vertical coordinate information is referenced to the North American Vertical Datum of 1988 (NAVD 88).

Horizontal coordinate information is referenced to the North American Datum of 1983 (NAD 83).

Altitude, as used in this report, refers to distance above or below the vertical datum.

Abbreviations

FRIS    farm and ranch irrigation survey
GIS geographic information systems
NACP Northern Atlantic Coastal Plain
NAIP    National Agricultural Imagery Program
SWB soil-water balance
USDA U.S. Department of Agriculture
USGS U.S. Geological Survey
First posted May 5, 2015
Table of Contents

Index page

Front matter

Report



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