Hoyt & Roberts, comps. Hoyt’s New Cyclopedia of Practical Quotations. 1922.
Potomac (River)
And Potomac flowed calmly, scarce heaving her breast,
With her low-lying billows all bright in the west,
For a charm as from God lulled the waters to rest
Of the fair rolling river.
Paul Hamilton Hayne—Beyond the Potomac.