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<br />C fl'" C' ,', ., <br />'LJ t:.. J;) , <br /> <br />Of the 184 sites listed in the National Register of Historic <br />Places or listed as eligible to the National Register (February 6, 1979 <br />and March lB, 1980) in counties along the corridor, all but 12 are <br />located in or near towns and cities or away from the corridor and should <br />not be affected. The 12 identified National Register sites could <br />conceivably be avoided or protected from direct impact by canal <br />facilities. <br /> <br />The corridor includes those general areas where the canal would <br />affect lands used primarily for crop production and considered prime <br />farmland. These are the delta areas between the Arkansas River and <br />White River in Arkansas, the Blackland Prairie Region of Texas, and the <br />High Plains. Portions of the Rolling Plains and Cross Timbers regions <br />also have a significant amount of land in crop production along the <br />corridor. Lands needed for the canal right-of-way would be taken out of <br />production, and severance or access problems may adversely affect <br />production of crops on other lands near the canal. <br /> <br />General Impacts-Storage Reservoirs <br /> <br />(1) Physical. Physical impacts of storage reservoirs are much <br />greater than that of canals and associated water transfer facilities. <br />As much as 437,000 acres of land in Arkansas and Texas would be directly <br />impacted through water storage facilities at source and terminal storage <br />points. In addition to direct impact from water storage on land <br />systems, the diversion of water and alteration of stream flow at source <br />points would have potential indirect impacts on the hydrological systems <br />of each affected stream, and potential cumulative impacts on the overall <br />drainage system to the coastal marshes. <br /> <br />Source storage reservoirs in Arkansas potentially would <br />inundate significant quantities of Bayou Des Arc, the Sabine River, <br />Tulip Creek, Bayou Bodcaw, and Bois D'Arc Creek. In Texas, source <br />storage reservoirs would inundate portions of the Sulphur River, White <br />Oak Creek, and the Sabine River. In addition to these major streams, <br />many miles of smaller tributary and feeder streams and creeks would be <br />inundated, causing all these flowing water resources to become slack <br />water and lose the character of stream resources. <br /> <br />049 <br />