Show uranium appears in 18 different horizons uranium is now known in at least 18 different ti horizons on the colorado plateau are according to the atomic energy commission at present important n uranium production is 1 being derived I from five of these formations and the salt wash member wi of the morrison Morr isoo forma tion occurring throughout the plateau and at one time the only producing horizon continues to be an important producer intensive exploration during the past year has expanded the producing areas of this formation says the named as other important producing r formations are the and moenkopi Moen kopi kopl in the monument valley white canyon green river desert big indian wash and san rafael swell areas of arizona and utah and the limestone of the zuni and lucero uplift I 1 between albuquerque and gallup N M vanadium producing ores of the en formation near rifle placer ville and rico colo have also produced byproduct uranium |