A liquid has viscosity, a measure of its resistance to flow. The viscosity of water at room temperature is about 0.01 poises. A thick oil might have a viscosity of about 1.0 poise. As a liquid is cooled its viscosity normally increases, but viscosity also has a tendency to prevent crystallisation.
Toledo Bend Reservoir. Toledo Bend Reservoir is a reservoir on the Sabine River between Texas and Louisiana. The lake has an area of 185,000 acres (749 kmÂ²), the largest man-made body of water in (or partially in) Texas, the largest in the South, and the fifth largest (surface acre) in the United States.
In 1838, Caddo Parish was carved from Natchitoches Parish; the legislature named it for the indigenous Caddo Indians The parish was a center of plantation cotton farming In the twentieth century, the oil industry developed here, with a concentration of related businesses in Shreveport.