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Fig. A.1
The column density map of the gas combined molecular component (from 13CO), CNM (from HISA), and WNM+CNM (from H I emission) (see Sect. 3.2.1). The red and green polygons mark the region for the mass estimates and the column density PDF measurements (only molecular component and CNM) shown in Figs. 20 and 22, respectively.
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