In Xanadu did Kubla Khan
A stately pleasure-dome decree :
Where Alph, the sacred river, ran…
Google Map of Xanadu, Inner Mongolia, China.
…Five miles meandering with a mazy motion
Through wood and dale the sacred river ran,
Then reached the caverns measureless to man,
And sank in tumult to a lifeless ocean…
Google Map of Santa Fe River, Alachua County, Florida.
… in front, just under my feet, was the enchanting and amazing crystal fountain which incessantly threw up from dark rocky caverns below, tons of water every minute, forming a basin, capacious enough for large shallops to ride in, and a creek of four or five feet depth of water and near twenty yards over, which meanders six miles through green meadows, pouring its limpid waters into the great Lake George.
Google Map of Salt Springs, Florida.
… directly opposite to the mouth or outlet of the creek, is a continual and amazing ebullition where the waters are thrown up in such abundance and amazing force, as to jet and swell up two or three feet above the common surface: white sand and small particles of shells are thrown up with the waters near to the top, … The ebullition is astonishing and continual, though its greatest force of fury intermits, regularly, for the space of thiry seconds of time: …
William Bartram (1739-1823) record of his travels to America, Travels, published 1792.


