APA (7th ed.) Citation

(2006). The 20th-century topographic survey as source data for long-term landscape studies at local and regional scales / by Dalia Varanka ; U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

The 20th-century Topographic Survey as Source Data for Long-term Landscape Studies at Local and Regional Scales / by Dalia Varanka ; U.S. Department of the Interior, U.S. Geological Survey. 2006.

MLA (9th ed.) Citation

The 20th-century Topographic Survey as Source Data for Long-term Landscape Studies at Local and Regional Scales / by Dalia Varanka ; U.S. Department of the Interior, U.S. Geological Survey. 2006.