- RIDGE
- Potato chip feature
- Bluff
- Chain of hills
- Wavy potato-chip feature
- Hill
- Hogback
- Feature of a quarter but not a nickel
- Ruffle ripple
- Chain of mountains
- See 28 across
- Raised strip
- Spine or hogback
- First DHS secretary
- Sad song
- Elevated strip of land
- Oak ___, Tennessee
- Feature of a Ruffles potato chip
- Hill crest
- Mountain feature
- Corrugated paper feature
- Ruffles feature
- Head of Homeland Security
- Homeland Security chief
- First head of Homeland Security
- The first Secretary of Homeland Security
- The Oak ___ Boys
- Hill line
- Range of hills
- Raised area
- Low hill
- Corduroy feature
- Fingerprint feature
- First secretary of Homeland Security
- Ruffles potato chip feature
- Crest
- Mountain spine
- Ruffles chip feature
- *Noel bird
- Blue __ Mountains
- First Homeland Security secretary
- Narrow hilltop
- Chip feature, maybe
- High landform
- Mountain crest
- Mountain chain
- Homeland Security head
- High ground
- High-pressure system
- Chip feature, perhaps
- Wale
- High-pressure weather system
- Hogback, topographically
- Hill's crest
- Virginia's Blue __ Mountains
- Hill's upper edge
- Climber's avalanche-safe spot
- Homeland Security leader
- Rise
- Blue ___ Mountains
- Former Homeland Security head Tom
- Oak ___.
- A chain of hills.
- Long narrow chain of hills.
- A range of mountains.
- An animal's back.
- Long, narrow hill.
- Long narrow crest.
- Elongate elevation
- Part of a roof.
- Mountain formation.
- Part of a rooftop.
- Narrow crest.
- Range of bills.
- Oak or Blue
- Vimy ___ of W. W. I
- Vimy or Blue
- Elevation between valleys
- Vimy or Oak
- Spine
- Basking ___, N.J.
- Blue or Missionary
- Long hill
- Riva ___, 1972 Derby winner
- Arete
- Razorback
- Arris
- Fingerprint part
- Chip feature
- See 53-Across
- Forehead feature
- Watershed dividing line
- Natural skyline former
- Corrugation
- Certain chip feature
- Klingon forehead feature
- Hiker's climb
- Feature of a forehead or fingerprint
- Top of a chain, maybe
- Topographical map feature
- Guitar fret, e.g.
- Pennsylvania's governor
- Nose part
- Elvira band, the Oak ___ Boys
- Narrow range of hills
- Long chain of hills
- Ruffles part
- Narrow elevation
- 1972 Kentucky Derby winner Riva ____
- It's on the back of a Rhodesian dog
- Long, narrow hilltop
- Feature of a Ruffles chip
- Chain, of sorts
- Fret, say
- Narrow crest of a hill
- Homeland Security honcho
- Roof part
- Speed bump, essentially
- Narrow chain of hills
- Region of high atmospheric pressure
- Mountain line
- Overlook site
- Roof feature
