Answer:

CAIRN

Answer	Crossword Clue
CAIRN	Trail marker
CAIRN	Type of terrier
CAIRN	Heap of stones

CAIRN	Stone heap
CAIRN	Conical stone heap
CAIRN	Stone landmark
CAIRN	Stone memorial
CAIRN	Stone-pile marker
CAIRN	Trail-marking stack
CAIRN	Monument of stones
CAIRN	Stone monument

CAIRN	Meaningful pile of stones
CAIRN	... terrier (small Scottish dog breed)
CAIRN	Kind of terrier
CAIRN	Stone mound
CAIRN	... terrier
CAIRN	... terrier (small dog breed)
CAIRN	Scottish terrier type
CAIRN	Terrier type

CAIRN	Toto's terrier type
CAIRN	.. terrier: Highlands hunter
CAIRN	Rock-pile monument
CAIRN	.. terrier
CAIRN	Mountain-summit marker
CAIRN	Scottish terrier
CAIRN	... terrier (Scottish dog)
CAIRN	... terrier (Toto's breed)

CAIRN	Summit marker
CAIRN	Landmark.
CAIRN	Heap of stones.
CAIRN	Conical heap of stones.
CAIRN	Small dog of terrier breed.
CAIRN	Terrier of Scotland.
CAIRN	Shaggy dog from Scotland.
CAIRN	Landmark of stones.

CAIRN	Stone pile.
CAIRN	Small, shaggy Scottish terrier.
CAIRN	Heap of rocks.
CAIRN	Significant heap of stones.
CAIRN	Stone monument.