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Opal, South Dakota 
Summary
Opal is an unincorporated community in Meade County, in the U.S. state of South Dakota.[1]
History edit
Opal was laid out in 1907.[2] A post office was established at Opal in 1909.[3]
References edit
- ^ U.S. Geological Survey Geographic Names Information System: Opal, South Dakota
- ^ Federal Writers' Project (1940). South Dakota place-names, v.1-3. University of South Dakota. p. 52.
- ^ "Meade County". Jim Forte Postal History. Retrieved February 2, 2015.
44°53′30″N 102°27′02″W / 44.89167°N 102.45056°W