  Combining our own observations with data from the literature, we consider the
incidence of HI absorption in Gigahertz Peaked Spectrum (GPS) and Compact Steep
Spectrum (CSS) sources. Here we present our preliminary results, where we find
that the smaller GPS sources (<1 kpc) on average have larger HI column
densities than the larger CSS sources (>1 kpc). Both a spherical and an
axi-symmetric gas distribution, with a radial power law density profile, can be
used to explain this anti-correlation between projected linear size and HI
column density. Since most detections occur in galaxy classified objects, we
argue that if the unified schemes apply to the GPS/CSSs, a disk distribution
for the HI is more likely.
