Line‐of‐sight magnetic field directions deduced from OH maser Zeeman splitting. Seventy‐four star‐forming regions are plotted, distinguishing 41 with an overall magnetic field oriented in a clockwise sense from 33 with field oriented counterclockwise as viewed from above the Galactic center (i.e., north Galactic pole). The locations of the Sun and Galactic center are marked. The spiral arms of Taylor & Cordes (1993) are indicated with shading and labeled by their common names.