Answer:

prairie

Answer	Crossword Clue
PRAIRIE	Grassland
PRAIRIE	Word before dog or schooner
PRAIRIE	Oversized meadow

PRAIRIE	Area near Lake Wobegon
PRAIRIE	Grassland tract
PRAIRIE	Willa Cather's "..." trilogy
PRAIRIE	Where the buffalo roam
PRAIRIE	Willa Cather setting, often
PRAIRIE	Great Plains terrain
PRAIRIE	Grassy tract
PRAIRIE	Treeless tract

PRAIRIE	Rolling grassland
PRAIRIE	Flat land
PRAIRIE	Bison habitat
PRAIRIE	Grassy plain
PRAIRIE	Much of Ohio
PRAIRIE	Gopher's milieu
PRAIRIE	Much of Manitoba
PRAIRIE	Treeless plain

PRAIRIE	Badger habitat
PRAIRIE	Plain
PRAIRIE	... State (Illinois's nickname)
PRAIRIE	... Dawn (Muppet on "Sesame Street")
PRAIRIE	Treeless plain.
PRAIRIE	"The ... Years," by Carl Sandburg.
PRAIRIE	James Fenimore Cooper novel.
PRAIRIE	Last home of Natty Bumppo.

PRAIRIE	A Leatherstocking tale.
PRAIRIE	Level treeless tract of land.
PRAIRIE	... schooner.
PRAIRIE	Land in the Mississippi Valley.
PRAIRIE	Nickname for Illinois.
PRAIRIE	Two-thirds of Minnesota.
PRAIRIE	J. F. Cooper classic (with "The").
PRAIRIE	The endless plain.

PRAIRIE	Young Abe's milieu.
PRAIRIE	... du Chien, Wis.
PRAIRIE	Cooper's "The ..."
PRAIRIE	Kind of schooner
PRAIRIE	Kind of dog or schooner