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|View History:  Monthly  Annual Download Data (XLS File)                                             
|View History:  Monthly  Annual                                                                       
|View History:  Monthly  Annual                                                                       
|View History:                                                                                        
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|Price of 
Sweetgrass, MT Compressed Natural Gas Exports to Canada  (Dollars per Thousand Cubic Feet)
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|Price of 
Sweetgrass, MT Compressed Natural Gas Exports to Canada  (Dollars per Thousand Cubic Feet)
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|Year                                                                                                                              | Jan  | Feb  | Mar  | Apr | May | Jun  | Jul  | Aug  | Sep  | Oct  | Nov  | Dec 
|--------------------------------------------------------------------------------------------------------------------------------- | ---- | ---- | ---- | --- | --- | ---- | ---- | ---- | ---- | ---- | ---- | ----
|2019                                                                                                                              |      |      |      |     |     |      |      |      |      |      | 2.26 | 1.94
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|2020                                                                                                                              | 1.03 |      |      |     |     |      |      |      |      |      |      |     
|2021                                                                                                                              |      | 2.24 |      |     |     |      |      |      |      |      |      |     
|2022                                                                                                                              |      |      | 2.53 |     |     | 2.05 | 2.07 | 2.01 | 1.93 | 4.81 | 6.29 |     
|2023                                                                                                                              | 4.34 | 4.33 | 3.36 |     |     |      |      |      |      |      |      |     
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 7/31/2024                                                                                                          
|Next Release Date: 8/30/2024