Open-File Report 2006–1002
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First posted 2006 Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge. |
Varanka, Dalia, 2006, The 20th-century topographic survey as source data for long-term landscape studies at local and regional scales: U.S. Geological Survey Open-File Report 2006–1002, 11 p., available only online at http://pubs.usgs.gov/of/2006/1002/.