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Pump head is assembled before attaching to pump rod. John Fredrick well project, Saint Mary's County, Maryland. Sourced from the Library of Congress.
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Pump head is assembled before attaching to pump rod. John Fredrick well project, Saint Mary's County, Maryland. Sourced from the Library of Congress.

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Pump head is assembled before attaching to pump rod. John Fredrick well project, Saint Mary's County, Maryland. Sourced from the Library of Congress.

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