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Manhole cover, Cairo, Egypt. Photo date 2006.
Source: Barbara Schmidt. |
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Manhole cover, Helsinki, Finland. Text reads "Helsinki's Water" in Finnish on the top and Swedish on the bottom. Photo date 2008. See Helsinki water department.
Source: Jeff Lowy and Erica Blumenschein (Westland Resources, Inc.), Tucson, Arizona. |
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Manhole cover from circa 1798, Paris, France. Photo date 1998.
Source: Robert K. Baker, Pima Community College, Tucson, Arizona. |
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Manhole cover 150 feet from the main entrance of the Berlin Wall on the east side, Berlin, Germany. Photo date 2003.
Source: Linda Cowen, Pima County Wastewater Management Department, Tucson, Arizona. |
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Manhole cover, Berlin. Photo date 2003.
Source: Barbara Hiser. |
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Manhole cover, Hamburg, Germany. Photo date 1998.
Source: Pima County Wastewater Management Department, Tucson, Arizona. |
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Manhole covers in Bobligen and Waldenbuch, Germany. Photo dates 2007.
Photo source: Mary Hamilton, Pima County Wastewater Management Department. |
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Manhole covers in Bobligen and Waldenbuch, Germany. Photo dates 2007.
Photo source: Mary Hamilton, Pima County Wastewater Management Department. |
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Manhole covers in Bobligen and Waldenbuch, Germany. Photo dates 2007.
Photo source: Mary Hamilton, Pima County Wastewater Management Department. |
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Manhole covers in Bobligen and Waldenbuch, Germany. Photo dates 2007.
Photo source: Mary Hamilton, Pima County Wastewater Management Department. |
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