(a) Declination-Velocity diagram of two slices, integrated over the denoted Right ascension range. The approximate position of 30 Dor and the X-ray spur are shown with arrows. The colored boxes indicate the velocity ranges of the H I components. The integration slices are indicated in blue (left panel) and red (right panel) in (b), which also shows the H I I-component integrated in the − 30 to − 10 km s⁻¹ range. The position of the X-ray spur is indicated with a green dashed ellipse.