Published in "QSO Absorption Lines", Space Telescope Science Institute Symposium Series 2, 1987, eds. J. C. Blades, D. A. Turnshek and C. A. Norman

Table of Contents

• INTRODUCTION
• DISTRIBUTION OF THE GAS
• HI 21 cm Emission Line Studies
• Optical and Ultraviolet Absorption Line Studies
• Soft X-ray Studies
• Optical and Ultraviolet Emission Line Studies
• Radio Studies of the Ionized Gas
• Nonthermal Radio Emission, Magnetic Fields and the Cosmic-Ray Halo
• IONIZATION CHARACTERISTICS OF MILKY WAY HALO GAS
• ELEMENTAL ABUNDANCES IN MILKY WAY HALO GAS
• KINEMATICS OF MILKY WAY HALO GAS
• THE ORIGIN OF GALACTIC HALO GAS
• ABSORPTION BY MILKY WAY HALO GAS AND THE ABSORPTION LINE SYSTEMS SEEN IN THE SPECTRA OF QSOS
• REFERENCES