Explain how the "pamunkey" soil got its name. (SOS)

The soil was named Pamunkey, the name chosen for a nearby river, which in turn was named for the Pamunkey Indian Nation that lives along the river. The Pamunkey soils were first used to sustain the Pamunkey Indians, and many other tribes, and later to grow crops by the settlers at Jamestown.

Explanation:

there has only been 12 presidents. the 12th president is/was moon jae-in

answer; i believe the correct answer is (the willamete valley);