Table 7: Total-to-selective visual extinction $R{_{\rm V}}$, visual extinction $A_{\rm V}$ and atomic gas-to-dust ratio N(H I)/$A_{\rm V}$for the four reddened LMC lines of sight.
  Sk -69 223 Sk -69 243 Sk -67 2 Sk -68 135
$R{_{\rm V}}$ 3.6 or 4.1 3.7 3.6 4.1
$A_{\rm V}$ $0.9\pm0.2$ $1.2\pm0.3$ $0.4\pm0.2$ $0.7\pm0.1$
N(H I)/$A_{\rm V}$ $3.2\pm1.0$ $2.5\pm0.6$ $4.0\pm1.4$ $3.8\pm0.5$
(1021 mag-1 cm-2)    


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