December 6, 2022

CAP bubble log being lowered into place

The creation and evolution of the “bubble logs”

It’s been said that necessity is the mother of invention and that is definitely true in the case of access stoplogs, nicknamed “bubble logs.” When the Bureau of Reclamation constructed the CAP system, including the cast-in-place concrete siphons that convey water under features such as roads and rivers, they assumed

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