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C. Smith ; R. Leonard ; G. Langdale ; G. Bailey ; US ENVIRONMENTAL PROTECTION AGENCY | United states environmental protection agency | EPA-600-3-78-056 | 1978Data were collected from four small watersheds (1.3 to 2.7 ha) located in the southern Piedmont region. Two watersheds were managed without conservation measures; the other two watersheds were parallel-terraced and included grassed waterways for[...]