The St. Croix River is a tributary of the Mississippi River, and is a part of the boundary between Minnesota and Wisconsin.
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... (1917-1922) Gosudarstvennoye Politicseskoye Upravleniye[?] (GPU, 1922-1923) Obyedinennoye Gosudarstvennoye Politicheskoye Upravleniye[?] (OGPU, 1923-1934) Narodny ...