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|View History: Annual Download Data (XLS File)                                     
|View History: Annual                                                               
|View History: Annual                                                               
|View History:                                                                      
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|Lower 48 States Dry Natural Gas Reserves New Field Discoveries (Billion Cubic Feet)
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|Lower 48 States Dry Natural Gas Reserves 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                                                                                                                            |        |        |        |        |        |        |        | 3,173  | 3,860  | 3,173 
|1980's                                                                                                                            | 2,539  | 3,731  | 2,687  | 1,574  | 2,536  | 999    | 1,099  | 1,077  | 1,638  | 1,450 
|1990's                                                                                                                            | 2,004  | 848    | 649    | 899    | 1,894  | 1,666  | 1,390  | 2,681  | 1,070  | 1,512 
|2000's                                                                                                                            | 1,983  | 3,504  | 1,332  | 1,202  | 759    | 920    | 409    | 796    | 1,170  | 1,372 
|2010's                                                                                                                            | 850    | 947    | 762    | 256    | 632    | 29     | --     | --     | --     | --    
|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