| http://www.w3.org/ns/prov#value | - The EROEI of US domestic oil production (chiefly originating from giant oil fields) has declined from 100:1 in 1930 to less than 20:1 for developments in the 2000s, e.g. Gulf of Mexico,(Gately, 2007; Hall et al., 2008; Murphy and Hall, 2010).
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