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Figure 1

From: Fate and Transport of Shale-derived, Biogenic Methane

Figure 1

Location map. (a) Extent of the Western Canadian Sedimentary Basin (yellow), Williston Basin (blue)43, and Bakken shale play (orange)3 in northwestern USA and western Canada, and location of study area. (b) Location of Sites 1–415, Site 532, and Sites 6 and 7. Highways are shown as solid black lines in (b). Adapted with permission from ref. 3 and ref. 54. Copyright 2014 American Chemical Society and 2012 Springer International, respectively. Map was created with ArcMap version 10.5 (http://esri.ca/en/products/whats-new-in-arcgis-105).

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