black rock

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black rock - U.S. Gazetteer (1990) :

  Black Rock, AR (city, FIPS 6700)
    Location: 36.10638 N, 91.10863 W
    Population (1990): 736 (358 housing units)
    Area: 8.5 sq km (land), 0.4 sq km (water)
    Zip code(s): 72415
  Black Rock, NM (CDP, FIPS 7670)
    Location: 35.08601 N, 108.79001 W
    Population (1990): 858 (244 housing units)
    Area: 2.0 sq km (land), 0.0 sq km (water)