We have extended our previous work by exploring several plane‐parallel slab geometries to model the formation of cyclotron line features. We calculated the Compton temperatureTCas a function of column densityNefor each of the new geometries. We then fit the resulting spectra to GB880205 exactly as described in Wangetal. The results show that the addition of column depth below the photon source plane leads to a modest improvement in &khgr;2which, although not statistically significant, is pleasing because these geometries are more physically realistic.