@article {Shields50A, author = {F. Douglas Shields, Jr.}, title = {Long-term evaluation of regional erosion control}, volume = {63}, number = {2}, pages = {50A--50A}, year = {2008}, doi = {10.2489/jswc.63.2.50A}, publisher = {Soil and Water Conservation Society}, issn = {0022-4561}, URL = {https://www.jswconline.org/content/63/2/50A}, eprint = {https://www.jswconline.org/content/63/2/50A.full.pdf}, journal = {Journal of Soil and Water Conservation} }