Fig. 7From: Evidence for natural molecular hydrogen seepage associated with Carolina bays (surficial, ovoid depressions on the Atlantic Coastal Plain, Province of the USA)Subsoil hydrogen concentrations in Jones Lake Bay. Its location is shown in Fig. 3. Dashed line shows the limits of the new structure. Geochemistry and geomorphology correlate perfectly, defining the borders of the structure. Date of measurements 13 March 2012Back to article page