@misc{indiciaed6eb3582d9df, title = {EAARL topography - Natchez Trace Parkway 2007: First surface}, author = {Amar Nayegandhi and John Brock and C. Wayne Wright and Martha Segura and Xan Yates}, year = {2008}, doi = {10.3133/ds392}, url = {https://pubs.usgs.gov/publication/ds392}, note = {Source identifier: ds392} }