Tucker, John 1989 Journal 37. Survey of Rio Grande riparian corridor from 6.1 miles NNW of Presidio, Presidio Co, Texas to Terlingua, Brewster Co, Texas and Rio Grande Village, Big Bend National Park Brewster Co, Texas August 18 Scott's Oriole - 4, dry waste; 1, Terlingua (crit) House Finch - 12, few scattered pairs & trios Lesser Goldfinch - 2, dry waste House Sparrow - 3, Alenita Creek warblers: Sylviaeagus sp. - 2, Alenita Creek; 3, R.G.V. Lepus Californicus - 5, scattered singles along Texas Hwy (70). Marathon Post, 6 1/2 miles S. and 4 miles W. of Marathon, Brewster Co., Texas. Elevation 3870 ft. August 18 Marathon Post is a county park of about 10 acres size on two grounds of Fort Peña Colorado, a late 19th century military outpost of Fort Davis. Running right down the middle of the property is a partly impounded creek which trickle over a low dam. Above the dam the water assumes the form of a 400' x 65' lake of some depth (I can't see bottom). Bordering the lake to the N. is a fence. Beyond which is rank emergent vegetation, rather thickly attion, which continues on the any E & W. Banks and aged cane rankly below the dam. The W. bank of the lake is a picnic area over a lawn & beneath many large cottonwoods; willows ashes, and other deciduous trees are admixed. The E. bank is similar, for q smaller areal extent. The S. part of the property, below the dam, is mostly treeless, except for a couple really large cottonwoods near the fenced boundary. Surrounding the property E & W are dry shrubby hills. The feet away from the creek merged outside the waters. Some of the park area also covered