Pipestone is a 9 letter English word. It's valid Words with friends word worth 16 points.
You can make 350 anagrams from letters in Pipestone (eeinoppst).
First recorded in 1755-65; pipe1 + stone
We had no peace until we came within sight of the pipestone Quarry.
A few days later two solitary teepees stood on the shore of the pond, under the red cliffs of the pipestone Quarry.
These streams have the same right of asylum, though in a less degree than pipestone creek already mentioned.
Others of the enemy might come after pipestone, and there was our trail running straight to the place.
A stone from Ohio, for pipestone from Dakota, or for a stone from any other State.
They are chiefly made of a soft stone something like the pipestone used by the present Indians which approaches soapstone.
After passing the pipestone falls, we entered country new to us, where the valley became much wider.
This crossing had been for generations the fording place of the red peoples in their pilgrimages to the pipestone quarry.