info on Washington, DC from the Lakota Mall

"In the 1975 excavation on the White House lawn for the presidential swimming pool, builders found Indian relics that pointed to the commercial prosperity of a former Indian group. Only a few blocks away from the White House, the Indians had operated one of the largest Indian quarries for steatite or soapstone. Numerous manufacturing sites surrounded it where Indian craftsmen made dishes, pipes, and implements from the soft stone."

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