5 ms·
Yes - almost 10 billion barrels: https://pubs.usgs.gov/publication/sir20125146 https://pubs.usgs.gov/publication/sir20125146
by lizhang 3y ago
Yes - almost 10 billion barrels: https://pubs.usgs.gov/publication/sir20125146 https://pubs.usgs.gov/publication/sir20125146