Geodetic Datum Overview

Peter H. Dana

These materials were developed by Peter H. Dana, Department of Geography, University of Texas at Austin, 1995.  These materials may be used for study, research, and education in not-for-profit applications.  If you link to or cite these materials, please credit the author, Peter H. Dana, The Geographer's Craft Project, Department of Geography, The University of Colorado at Boulder.  These materials may not be copied to or issued from another Web server without the author's express permission.  Copyright 1999-2015 Peter H. Dana. All commercial rights are reserved.  If you have comments or suggestions, please contact the author or Kenneth E. Foote at

This page is available in a framed version.  For convenience, a Full Table of Contents is provided.

Associated Overviews

Introduction to Geodetic Datums

Table of Contents

The Figure of the Earth

Table of Contents

Geometric Earth Models

Table of Contents

Reference Ellipsoids

Table of Contents

Earth Surfaces

Table of Contents

Geodetic Datums

Datum Types

Table of Contents

Datums in Use

Table of Contents

Datum Shifts

Table of Contents

Datum Conversions

Table of Contents

Bomford, G. 1980. Geodesy. Oxford: Clarendon Press.

Burkard, Richard K. 1983. Geodesy for the Layman. Washington, DC: NOAA.

National Imagery and Mapping Agency. 1997. Department of Defense World Geodetic System 1984: Its Definition and Relationships with Local Geodetic Systems. NIMA TR8350.2 Third Edition 4 July 1997. Bethesda, MD: National Imagery and Mapping Agency.

National Oceanic and Atmospheric Administration. 1986. Geodetic Glossary. Rockville, MD: National Geodetic Information Center.

Schwarz, Charles R. 1989. North American Datum of 1983. Rockville, MD: National Geodetic Survey.

Torge, Wolfgang. 1991 Geodesy, 2nd Edition, New York: deGruyter.