Hydrology of Area 60, Northern Great Plains, and Rocky Mountain Coal Provinces, New Mexico, Colorado, Utah, and Arizona

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Hydrology of Area 48, Northern Great Plains and Rocky Mountain Coal Provinces, Montana and Wyoming

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Hydrology of Area 62, Northern Great Plains and Rocky Mountain Coal Provinces, New Mexico and Arizona

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Hydrology of Area 56, Northern Great Plains and Rocky Mountain Coal Provinces, Utah

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Hydrology of Area 46, Northern Great Plains and Rocky Mountain Coal Provinces, North Dakota

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Hydrology of Area 49, Northern Great Plains and Rocky Mountain Coal Provinces, Montana and Wyoming

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Hydrology of area 43, northern Great Plains and Rocky Mountain Coal Provinces, Montana

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Hydrology of Area 45, Northern Great Plains and Rocky Mountain Coal Provinces, Montana and North Dakota

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Hydrology of area 47, northern Great Plains and Rocky Mountain Coal Provinces, North Dakota, South Dakota, and Montana

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Hydrogeology of Area 53, Northern Great Plains and Rocky Mountain Coal Provinces, Colorado, Wyoming, and Utah

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