dryfj.com / drycyclist.com (kevin cook)

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7902-waterwell-farm.jpg At this point, I'm now outside the Mojave National Preserve boundaries, and will be for most of the rest of the dayThumbnailsAs I approach the Castle Mountains, the choice of possible routes to follow increasesAt this point, I'm now outside the Mojave National Preserve boundaries, and will be for most of the rest of the dayThumbnailsAs I approach the Castle Mountains, the choice of possible routes to follow increasesAt this point, I'm now outside the Mojave National Preserve boundaries, and will be for most of the rest of the dayThumbnailsAs I approach the Castle Mountains, the choice of possible routes to follow increasesAt this point, I'm now outside the Mojave National Preserve boundaries, and will be for most of the rest of the dayThumbnailsAs I approach the Castle Mountains, the choice of possible routes to follow increasesAt this point, I'm now outside the Mojave National Preserve boundaries, and will be for most of the rest of the dayThumbnailsAs I approach the Castle Mountains, the choice of possible routes to follow increasesAt this point, I'm now outside the Mojave National Preserve boundaries, and will be for most of the rest of the dayThumbnailsAs I approach the Castle Mountains, the choice of possible routes to follow increases

I'm guessing this was used to store water for the nearby and recently closed Castle Mountain Mine (Viceroy Mine).