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I I I I I I I I I I I I I I I I I I I The public land alignment evaluated in this study is similar to the Bureau's proposed alignment, in that it avoids the need for acquisition of easements across pri vate properti es. Ei ther Mi 1 dred Road or the Cortez-Oolores State Highway 145 could be paralleled to initiate the first southerly component of the route. However, both roads have extensi ve development along them and contain numerous utilities within the road right-of-way. The ground elevation to the east of the Cortez treatment plant ri ses, and a1 i gnments by gravi ty along the county road to the east are not possible. Any route that avoids pri vate 1 ands must therefore i ni ti a 11 y traverse west on County Road M. For thi s study, a route one mi 1 e west and then south to the west of Totten Lake was first examined and then rejected, as it avoids going along the county roads with high residence densities. The first public road that can I)~ reached goi ng south is then State Hi gh\~ay 1 4~. The alignment selected to use public right-of-way only has been termed Alignment B and is shown on Figure 3.4. The route proceeds south after crossing State Highway 160 and follows the county road network to the intersection of State Highway 666 at the M and M Truck Stop. From there, the al i gnment foll ows State Hi ghway 666 to the boundary of the Tri be's Reservation. The pipe on Alignment B will be in competition with other utilities within the State and County road systems. Representatives of local utilities were contacted, and Figure 3.5 was prepared as an approximate composite of buried utilities of gas, water, and telephone lines in the region of potential alignments. Where the pipeline crosses normal to these utility 1 i nes, there will be only mi nor concern, except for the 1 arge number of crossings. However, any long length paralleling of these utilities would require extremely cautious and time-consuming construction techniques. Alignment A, shown on Figure 3.6, was selected after sever'll field reconnaissance visits to the regio'l, as the most direct alignment, and one that woulrl be easier to construct. flue to the potential sensitivity of ri ght-of-way (easement) acqui si ti on, no 1 andowners were contacted nor were fi e1 d surveys made. Al i gnment A was se1 ected on the basi s of shorteni ng the di stance, mi nimi zi ng the potenti al conf1 i ct wi th other uti 1 iti es, and seela route that would allow rapid field installation. A nUl'lber of private 3-29 l060c