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|View History: Annual Download Data (XLS File)                                                                        
|View History: Annual                                                                                                  
|View History: Annual                                                                                                  
|View History:                                                                                                         
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|Montana Nonassociated Natural Gas, Wet After Lease Separation, Estimated Production from Reserves (Billion Cubic Feet)
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|Montana Nonassociated Natural Gas, Wet After Lease Separation, Estimated Production from Reserves (Billion Cubic Feet)
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|Decade                                                                                                                            | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------
|1970's                                                                                                                            |        |        |        |        |        |        |        |        |        | 42    
|1980's                                                                                                                            | 51     | 74     | 36     | 39     | 38     | 41     | 31     | 32     | 47     | 36    
|1990's                                                                                                                            | 40     | 42     | 46     | 44     | 43     | 45     | 47     | 51     | 46     | 35    
|2000's                                                                                                                            | 62     | 67     | 70     | 79     | 86     | 86     | 100    | 92     | 88     | 80    
|2010's                                                                                                                            | 70     | 57     | 45     | 39     | 35     | 25     | 30     | 27     | 25     | 24    
|2020's                                                                                                                            | 23     | 25     |        |        |        |        |        |        |        |       
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 12/30/2022                                                                                                         
|Next Release Date: 12/29/2023