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Osterdock

1. Osterdock, Iowa, United States [City]; population was 49 in 1990; housing units was 19 in 1990; location is 42°44'N 91°10'W; land area is 0.46 square miles (292 acres); FIPS code is 60015 [SourceCBP]
2. Osterdock, Iowa, United States [Populated Place] is in Clayton County; location is 42°44'1"N 91°9'28"W [SourceGSP]