readme.txt List of digital files associated with this report. Text, figures and tables of this report in PDF format * of01-139.pdf Tables in MS Excel format * of01-139_appendix_b.xls * of01-139_appendix_c.xls * of01-139_appendix_d.xls * of01-139_appendix_e.xls * of01-139_appendix_f.xls * of01-139_appendix_g.xls * of01-139_appendix_h.xls Tables in dBase4 format * of01-139_appendix_b.dbf * of01-139_appendix_c.dbf * of01-139_appendix_d.dbf * of01-139_appendix_e.dbf * of01-139_appendix_f.dbf * of01-139_appendix_g.dbf * of01-139_appendix_h.dbf Metadata for Open-File Report OF01-139 * of01-139.met.txt Obtaining Digital Data The above files can be downloaded from the U.S. Geological Survey public access World Wide Web site on the Internet: URL = http://pubs.usgs.gov/of/2001/of01-139/