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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, New Field Discoveries (Billion Cubic Feet)
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|Montana Nonassociated Natural Gas, Wet After Lease Separation, New Field Discoveries (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                                                                                                                            |        |        |        |        |        |        |        |        |        | 4     
|1980's                                                                                                                            | 7      | 0      | 2      | 1      | 0      | 0      | 4      | 0      | 0      | 1     
|1990's                                                                                                                            | 0      | 0      | 0      | 0      | 0      | 0      | 0      | 0      | 0      | 0     
|2000's                                                                                                                            | 0      | 1      | 0      | 0      | 1      | 0      | 20     | 0      | 0      | 0     
|2010's                                                                                                                            | 0      | 0      | 0      | 0      | 0      | 0      | --     | --     | --     | --    
|2020's                                                                                                                            | --     | --     |        |        |        |        |        |        |        |       
|- = 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