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• Organization: Department of the Interior
• Updated: 20210611 | Harvested: July 16, 2025 at 12:58 PM

Tar sands represent a significant source of hydrocarbons in the United States. Also known by several other names including bitumen-bearing rocks, natural asphalt, tarry oil, bituminous rock, oil...

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• Organization: Department of the Interior
• Updated: 20210610 | Harvested: July 16, 2025 at 12:52 PM

The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of...

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• Organization: Department of the Interior
• Updated: 20210616 | Harvested: July 16, 2025 at 12:40 PM

The Total Petroleum System is used in the National Assessment Project and incorporates the Assessment Unit, which is the fundamental geologic unit used for the assessment of undiscovered oil and...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31 | Harvested: July 24, 2025 at 08:01 PM

AIRSAR topographic SAR digital elevation model PTIF product

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31 | Harvested: October 21, 2025 at 09:23 PM

AIRSAR topographic SAR digital elevation model L_Stokes product

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31 | Harvested: September 06, 2025 at 12:58 AM

AIRSAR topographic SAR digital elevation model P_Stokes product

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31 | Harvested: July 24, 2025 at 08:02 PM

AIRSAR topographic SAR digital elevation model CTIF product

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-04-01 | Harvested: July 24, 2025 at 08:00 PM

AIRSAR three-frequency polarimetric frame product

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31 | Harvested: September 25, 2025 at 02:22 AM

AIRSAR topographic SAR digital elevation model product

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-04-01 | Harvested: October 31, 2025 at 09:59 PM

AIRSAR topographic SAR digital elevation model LTIF product

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31 | Harvested: July 24, 2025 at 08:01 PM

AIRSAR topographic SAR digital elevation model C_Stokes product

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