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|Title:||Geologic aspects of site selection : Jonesville Lock and Dam, Black River, Louisiana|
|Authors:||United States. Army. Corps of Engineers. Vicksburg District.|
Steinriede, William B.
Saucier, Roger T.
Stanley, Daniel G.
Jonesville Lock and Dam
|Publisher:||U.S. Army Engineer Waterways Experiment Station.|
Engineer Research and Development Center (U.S.)
|Series/Report no.:||Miscellaneous paper (U.S. Army Engineer Waterways Experiment Station) ; no. 3-571.|
From the Introduction: The Ouachita and Black River Project is concerned with navigation improvement from the mouth of the Black River upstream to Camden, Arkansas, on the Ouachita River. The results of geologic studies made to assist in selection of a site for a lock and dam to be constructed on the lower Ouachita or the Black River in the vicinity of Jonesville, Louisiana, are presented in this memorandum. Five sites (plate 1) were initially selected for investigation by the Vicksburg District on the basis of both navigational and constructional considerations. An additional site (site 3 at river mile 55) was recommended for consideration by the Fish and Wildlife Service of the Department of the Interior. This site was later eliminated from the exploratory program for site selection by the Vicksburg District on the basis of economic studies. As no borings were drilled to investigate this site (site 3), a discussion of the geological conditions in that area is not included in this report. Two of the five original sites (sites 1 and 2 north of Jonesville, Louisiana) were also later eliminated from consideration by the Vicksburg District. These sites, however, were investigated by borings and are briefly discussed in this report to permit the range of geologic conditions which exist within the study area (both north and south of Jonesville) to be presented. Approximately 31 air miles separate site 1 to the north (5 miles north of Jonesville) from site 6 to the south (1 mile above the mouth of the Black River). At site 1 (mile 64), 5 (mile 6), and 6 (mile 1), the lock and dam structure would be located within the river. At sites (mile 59.5) and 4 (mile 25), the structure would be located in cutoffs approximately one mile long.
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