Fishburn and Hughes: "A river in Uruguay which crosses the country from north east to south west; also the name of a department in western Uruguay on the river, on the opposite side of the Argentinian province of Entre Ríos, the capital of which is Fray Bentos. Funes, His Memory: the reference is to the uprising of Quebracho in 1886. The Other Death; before the fighting between the Blancos and Colorados in 1904 Saravia was south of Río Negro, keeping watch over a government battalion which had been posted there." (167)
