Fig 1. PKS 1935

Fig 2. Proximity Curves

Fig 4. Model with Temperature distribution

Fig 6. Models

Additional figures (3 and 5 in both) taken without modification from:

``Mapping Low-Density Intergalactic Gas: a Third Helium Lyman-alpha Forest''

Scott F. Anderson, Craig J. Hogan, Benjamin F. Williams (University of Washington), Robert F. Carswell (Institute of Astronomy)

astro-ph/9808105