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Blackrock

1. Blackrock, Idaho, United States [Place] is in Bannock County; location is 42°47'49"N 112°19'34"W [SourceGSP]
2. Blackrock, North Carolina, United States [Place] is in Bertie County; location is 36°3'12"N 76°44'26"W [SourceGSP]
3. Blackrock, Pennsylvania, United States [Place] is in York County; location is 39°43'18"N 76°51'41"W [SourceGSP]