| Feature Name: | Big Brother Lake
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| Feature Type: | lake
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| State: | Montana
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| County: | Madison
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| County Population: | 6851
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| County Housing Units: | 4671
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| County Size: | 3586.54 Square Miles
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| Latitude: | 45.41139
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| Longitude: | -111.46861
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| Map Cell Name: | Willow Swamp
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| Geographic Keywords: | Brother
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