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