Answer:

plains

Answer	Crossword Clue
PLAINS	Grasslands
PLAINS	Carter's Georgia birthplace
PLAINS	Midwestern landscape

PLAINS	Jimmy Carter's hometown
PLAINS	Flatlands
PLAINS	Great region of America?
PLAINS	Carter's birthplace
PLAINS	Home of the 39th President
PLAINS	Jimmy Carter's birthplace
PLAINS	Western geographic feature.
PLAINS	Geographic phenomena.

PLAINS	Midwest feature.
PLAINS	Prairies.
PLAINS	Area east of Rockies
PLAINS	Great or White
PLAINS	Famous small town in Georgia
PLAINS	... of Abraham
PLAINS	President Carter's hometown
PLAINS	Home of J.E.C.

PLAINS	Midwest feature
PLAINS	Carter country
PLAINS	Home of Jimmy and Rosalynn
PLAINS	... Indian
PLAINS	Where the buffalo roamed
PLAINS	Area west of the Mississippi
PLAINS	Stretches of flat land
PLAINS	Basic knitting stitches

PLAINS	Steppes
PLAINS	Open land
PLAINS	Jimmy Carter's Georgia hometown
PLAINS	Home of the bison
PLAINS	Where the buffalo roam