U.S. Geological Survey Data Series 611
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NOTE: PDF files may be viewed using free Adobe Reader software. If unable to access the PDF files, please contact firstname.lastname@example.org. 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 email@example.com.