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Oak Leaf is located in northern Ellis County and is bordered to the northwest by Ovilla, to the north by Glenn Heights, and to the east by Red Oak. Waxahachie, the county seat, is 11 miles (18 km) to the south, and downtown Dallas is 20 miles (32 km) to the north.
Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin.It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution.
Ovilla, on upper Red Oak Creek in northern Ellis County, is the oldest town in the county. It began in 1844 as a fortified settlement known as McNamara's to repel Indian incursions.
This map of United States water resource subregion hydrologic units updated boundaries to include the ocean as well as the portions of the basins that cross international borders For the use of hydrologists, ecologists, and water-resource managers in the study of surface water flows in the United States, the United States Geological Survey ...
Development of the community dates back to the late 1960s. N.L. 'Moe' Craddock, a Dallas firefighter, opened a 30-acre (120,000 m 2) mobile home park in the area. He helped push for the incorporation of Glenn Heights to prevent his business from being annexed by the city of DeSoto. [6]
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Watershed management is the study of the relevant characteristics of a watershed aimed at the sustainable distribution of its resources and the process of creating and implementing plans, programs and projects to sustain and enhance watershed functions that affect the plant, animal, and human communities within the watershed boundary. [1]
Watersheds of North America are large drainage basins which drain to separate oceans, seas, gulfs, or endorheic basins. There are six generally recognized hydrological continental divides which divide the continent into seven principal drainage basins spanning three oceans ( Arctic , Atlantic and Pacific ) and one endorheic basin.