Natural Gas Liquid Extraction
1997 Economic Census
Issued December 1999
U.S. Department of Commerce
Economics and Statistics Administration
U.S. CENSUS BUREAU
The staff of the Manufacturing and Con-
struction Division prepared this report.
Judy M. Dodds, Assistant Chief for Cen-
sus and Related Programs, was respon-
sible for the overall planning, manage-
ment, and coordination. Patricia L.
Horning, Chief, Construction and Miner-
als Branch, assisted by M. Susan Bucci
and Susan L. DiCola, Section Chiefs, per-
formed the planning and implementation.
Richard Hough, Christopher D.
Perrien, John F. Roehl, Eva J. Snapp,
and Sarah B. Teichner provided primary
Brian Greenberg, Assistant Chief for
Research and Methodology Programs,
assisted by Stacey Cole, Chief, Manufac-
turing Programs Methodology Branch, and
Robert Struble, Section Chief, provided
the mathematical and statistical tech-
niques as well as the coverage operations.
Jeffrey Dalzell and Cathy Ritenour pro-
vided primary staff assistance.
Mendel D. Gayle, Chief, Forms, Publica-
tions, and Customer Services Branch,
assisted by Julius Smith Jr. and Baruti
Taylor, Section Chiefs, performed overall
coordination of the publication process.
Kim Credito, Patrick Duck, Chip
Murph, Wanda Sledd, and Veronica
White provided primary staff assistance.
The Economic Planning and Coordination
Division, Lawrence A. Blum, Assistant
Chief for Collection Activities and Shirin
A. Ahmed, Assistant Chief for Post-
Collection Processing, assisted by Dennis
Shoemaker, Chief, Post-Collection Census
Processing Branch, Brandy Yarbrough,
Section Chief, Sheila Proudfoot, Richard
Williamson, Andrew W. Hait, and Jenni-
fer E. Lins, was responsible for develop-
ing the systems and procedures for data
collection, editing, review, correction and
The staff of the National Processing Center,
Judith N. Petty, Chief, performed mailout
preparation and receipt operations, clerical
and analytical review activities, data key-