README File: This directory contains a Spatial Data Transfer Standard (SDTS), Topological Vector Profile (TVP) compliant transfer. It was produced by SDTSEXPORT, created from ARC/INFO coverages. Standard Authority: FIPS 173: The Spatial Data Transfer Standard Part 4: Topological Vector Profile, 7/6/93 ISO 8211 conformance: All files with extension *.DDF are in the ISO 8211 file transfer format. All SDTS spatial addresses are expressed in two 32 bit binary sub-fields defined by the ISO8211. Leader and directory information is dropped whenever possible. Files are Level 2 of ISO 8211. Catalog Directory file name: xxxxCATD.DDF This file is the catalog directory file and it carries a listing of every file to be included in the transfer including file and module names. Identification file name: xxxxIDEN.DDF This file contains information that describes the overall characteristics of the data in this transfer, including it geographical domain. Transfer produced by: SDTSEXPORT References: See documentation on converting SDTS data in ArcDoc. Point of Contact: SDTS Contact: SDTS Task Force ! Information also U.S. Geological Survey ! available on FTP site 526 National Center ! sdts.er.usgs.gov Reston, VA 22092 ! (130.11.52.170) E-mail: sdts@usgs.gov ! ESRI Contact: ESRI Technical Support Center 380 New York Street, Redlands, California 92373-8100 U.S.A E-mail: support@esri.com Fax: (909) 792-0960