

(super 13) CO (sub 2) and (super 14) CO (sub 2) measurements on soil atmosphere sampled in the western Great Plains of the US.
Keywords
North Dakota;coal;lignite;Great Plains;soil gas;unsaturated zone;Bowman County North Dakota;Gascoyne;soil gases;soil surveys;western Great Plains;North America;surveys;ground water;soils;United States;organic residues;C 14;carbon;isotopes;radioactive isotopes;carbon dioxide;C 13 C 12;stable isotopes;sedimentary rocks;geochemistry;processes