U.S. Geological Survey Data Series 553
Click on a file or folder to view the file or access folder contents.
NOTE: PDF files may be viewed using free Adobe Reader software. If unable to access the PDF files, please contact aharrison@usgs.gov. The web version of this archive does not contain the SEG-Y trace files. These files are very large and would require extremely long download times. To obtain the complete DVD archive, contact USGS Information at 1-888-ASK-USGS or infoservices@usgs.gov.