  Globular clusters (GCs) are some of the most visible tracers of the merging
and accretion history of galaxy halos. Metal-poor GCs, in particular, are
thought to arrive in massive galaxies largely through dry, minor merging
events, but it is rare to see a direct connection between GCs and visible
stellar streams. NGC 474 is a post-merger early-type galaxy with dramatic fine
structures made of concentric shells and radial streams that have been more
clearly revealed by deep imaging. We present a study of GCs in NGC 474 to
better establish the relationship between merger-induced fine structure and the
GC system. We find that many GCs are superimposed on visible streams and
shells, and about 35% of GCs outside $3R_{\rm e,galaxy}$ are located in regions
of fine structure. The spatial correlation between the GCs and fine structure
is significant at the 99.9% level, showing that this correlation is not
coincidental. The colors of the GCs on the fine structures are mostly blue, and
we also find an intermediate-color population that is dominant in the central
region, and which will likely passively evolve to have colors consistent with a
traditional metal-rich GC population. The association of the blue GCs with fine
structures is direct confirmation that many metal-poor GCs are accreted onto
massive galaxy halos through merging events, and that progenitors of these
mergers are sub-L* galaxies.
