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I I I I I I I I I I I I I I I I I I I n J ~_ : : s (B) Wrile landslides were detected on the left abutments at the Warner Point and Canyon Dam locations, the surface geologic mapping and subsurface exploration revealed that in each case the detrimental effect of these sl i des can be avoi ded by ei ther movi ng the axi s of the darn or removing the undesirable material during foundation excavation. (C) No potentially active faults were identified within the study area. The three faults mapped in the vici nity of the Canyon Dam site were the most prominent instance of faulting near a damsite. The occurrence of these faul ts does not provi de a basi s to reject the site or to cause major cost increases to the dam. Future investiga- tion of the Canyon Dam site should, however, include a more detailed evaluation of these faults. (0) The occurrence of evaporites of the Eagl e Vall ey-Minturn Fonnation wi thi n the reservoi r area of Warner Poi nt and Choke Cherry reservoirs coul d potenti ally result in above nonnal reservoi r leakage. The unconsolidated sands and pervious limestone layers in the foundation of the Choke Cherry site require additional exploration beyond the scope of thi s study to assure that a serious problem does not exist. (E) Once overburden and weathered materials are excavated at the sites i nvesti gated, the foundati ons at each darnsite woul d have adequate strength to support the dam types and sizes presented in the study. (F) There is an abundance of construction materials within a relatively short di stance of each of the damsites. Material s derived from requi red excavation and sel ected borrO\~ areas can sati sfy project requirements for a wide variety of designs and sizes. (G) With no identifiable fatal geologic flaws to restrict selection of a project with a dam at any of the si tes, the sel ecti on of the most desi reabl e si te will be based on envi rorune ntal , operati onal , E-13