U.S. Geological Survey Open-File Report 2009-1015

Preliminary Geologic Map of the Laredo, Crystal City-Eagle Pass, San Antonio, and Del Rio 1° x 2° Quadrangles, Texas, and the Nuevo Laredo, Ciudad Acuņa, Piedras Negras, and Nueva Rosita 1° x 2° Quadrangles, Mexico

By

William R. Page, Margaret E. Berry, D. Paco VanSistine, and Scott R. Snyders 

2009

This database, identified as OFR 2009-1015, has been approved for release and 
publication by the Director of the USGS.  Although this database has been 
subjected to rigorous review and is substantially complete, the USGS reserves 
the right to revise the data pursuant to further analysis and review.  
Furthermore, it is released on condition that neither the USGS nor the United 
States Government may be held liable for any damages resulting from its 
authorized or unauthorized use.

The database can be downloaded from http://pubs.usgs.gov/of/2009/1015.  ESRI 
Geodatabase files and shapefiles are included in a gzipped tar archive and a 
Windows zip archive.  Identical files are included in both compressed archive 
files.  In addition, Adobe Portable Document Format (PDF) files may be 
downloaded, from which paper copies may be printed. 

Please refer to the file 2009-1015.met for detailed metadata documentation for this geospatial database.

List of files:

  2009-1015.met
  2009-1015_pamphlet_508.pdf
  2009-1015_sheet1.pdf
  2009-1015_sheet2.pdf

2009-1015.zip and 2009-1015.tar.gz:

  00README.txt
  2009-1015.met

  laredo.mdb

  laredo_fld(shp) - folds
  laredo_arc_geo(shp) - geologic contacts, faults and other linear features
  laredo_poly_geo(shp) - geologic units and other polygon features
  laredo_pnt(shp) - geologic bedding, wells, and other point features
  us_flts(shp) - normal faults within the U.S.