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\section{Discussion}  The clear detection of Ca II H \& K absorption at +100 km/s in USNO-A0600-15865535, coincident with HI emission from Complex WD, indicates that the complex is closer than the star, at a distance 5.2 kpc. The column of Ca II measured is comparable between the cloud and the disk, even though they have wildly different HI columns. This is consistent with the weak \cite{Wakker_2000} or non-existent \cite{Bekhti_2012} correlation between HI and Ca II column density, which also explains the non-detection of the small intermediate velocity clouds along the line of sight at 60 km/s. Unfortunately, this lack of correlation means that it is impossible to infer anything about the metallicity of the cloud, which will be critical in determining its origin.   The kinematics of complex WD do give us clues to its origin.