There are 4 places named Gray Rock in America.
All places in the world called "Gray Rock".
Riverside (46)
Centerville (43)
Fairview (40)
Midway (39)
Franklin (39)
Union (37)
Greenwood (37)
Marion (36)
Glendale (36)
Salem (36)
Georgetown (35)
Oakland (35)
Liberty (35)
Fairfield (35)
Lincoln (35)
Pleasant Valley (35)
Clinton (34)
Florence (34)
Arlington (34)
Greenville (34)
Bethel (34)
Springfield (34)
Newport (33)
Farmington (33)
Chester (33)
Kingston (33)
Clifton (33)
Milton (33)
Hamilton (33)
Mount Pleasant (32)