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. 2015 Nov 18;6:1287. doi: 10.3389/fmicb.2015.01287

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Copyright © 2015 Kirk, Wilson, Marquart, Zeglin, Vinson and Flynn.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Variation relative to TDS content in (A) differences between carbon dioxide and methane carbon isotope ratios (Δ¹³C) and (B) differences between water and methane hydrogen isotope ratios (ΔD). Data were collected from coalbed methane wells in the Cherokee basin (this study) and the Forest City basin (McIntosh et al., 2008). For both basins, we calculated TDS-values using all available solute concentration data. Best-fit lines through Cherokee basin data are shown on each graph.