BUREAU OF THE CENSUS

George Hay Brown, Director

Robert L. Hagan, Deputy Director

Robert B. Voight, Chief, Data User Services Office

ACKNOWLEDGMENTS

This edition of the Statistical Abstract was prepared under the direction of William Lerner, Chief, Statistical Compendia Staff, Data User Services Office. Helen E. Teir, Assistant Chief, was responsible for general supervision and compilation, assisted by Juanita A. Wright for technical editorial work and Susan S. Berger for graphic content. Minerva K. Moreland and Linnette D. Cunningham had primary responsibility for editing and clerical operations.

The cooperation of the many contributors to this volume is gratefully acknowledged. The list of sources of tables (pp. 965-970) and the source note below each table credit the various government and private agencies which have collaborated in furnishing information for the Statistical Abstract.

In a few instances, contributors have requested that their data be designated as subject to copyright restrictions. The source notes to the tables affected include a copyright notice. Permission to use copyright material should be obtained directly from the copyright owner. July 1972.

Library of Congress Card No. 4-18089

SUGGESTED CITATION

U.S. Bureau of the Census, Statistical Abstract of the United States: 1972. (93d edition.) Washington, D.C., 1972.

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