| Feature Name: | Armstrong Dam
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| Feature Type: | dam
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| State: | Idaho
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| County: | Lemhi
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| County Population: | 7806
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| County Housing Units: | 4154
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| County Size: | 4564.16 Square Miles
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| Latitude: | 44.82667
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| Longitude: | -113.72333
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| Map Cell Name: | Hayden Creek
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| Geographic Keywords: | Armstrong
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