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Tunnel with other utility pipes.
Source: Ed Curley, Pima County Wastewater Management Department, Tucson,
Arizona.
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View down tunnel -- in this particular channel, the original sewage
channel appears to have been filled in with concrete.
Source: Ed Curley, Pima County Wastewater Management Department, Tucson,
Arizona.
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View down tunnel.
Source: Ed Curley, Pima County Wastewater Management Department, Tucson,
Arizona.
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Wooden ball used for cleaning the sewers.
Source: Ed Curley, Pima County Wastewater Management Department, Tucson,
Arizona.
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Ball -- travelling sewer cleaner.
Source: Ed Curley, Pima County Wastewater Management Department, Tucson,
Arizona.
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Post and chain -- part of the ancillary equipment used to clean the
sewers.
Source: Ed Curley, Pima County Wastewater Management Department, Tucson,
Arizona.
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Sewer cleaning machinery on display.
Source: Ed Curley, Pima County Wastewater Management Department, Tucson,
Arizona.
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Sewer cleaning machinery on display.
Source: Ed Curley, Pima County Wastewater Management Department, Tucson,
Arizona.
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Cart (ancillary equipment used to clean the sewers) on display.
Source: Ed Curley, Pima County Wastewater Management Department, Tucson,
Arizona.
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Machinery for pulling waste transport carts.
Source: Ed Curley, Pima County Wastewater Management Department, Tucson,
Arizona.
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