Investigations into the zooarchaeology of the Lubbock Lake Site
Johnson, Eileen McAllister
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The Llano Estacado, or southern High Plains, is an extensive plateau in the West Texas - eastern New Mexico area (Fig. 1). Although essentially a flat land, numerous draws traverse the area forming major relief features and the drainage system for the region. Most of the draws run West to East, opening into canyons along the eastern to southern edge of the plateau. One of the major drainage ways for the central Llano Estacado is Yellowhouse Canyon, formed by the joining of Blackwater and Yellowhouse draws, Blackwater Draw begins in eastern New Mexico 5 to 10 miles northwest of Portales and crosses almost the entire width of the southern High Plains. The origin of Yellowhouse Draw is disputed, but today it appears to start at Silver Lake in Cochran and Hockley counties (Texas). However, during the Late Pleistocene, the draw may have originated a few miles west of Portales in the Portales Valley (C. Johnson, personal communication). These two draws join to form the canyon in Mackenzie State Park within the city of Lubbock. The Double Mountain Fork of the Brazos River flows through the Canyon.