() Jacob Gerlach <jacobgerlach@gmail.com>
() Fri, 30 May 2014 18:57:19 -0700 (PDT)

   I wonder if I could come up with some utility
   function to read in bash aliases and create the
   associated dired bookmarks when I start emacs.

Probably yes, if you learn a small bit of Emacs Lisp.
Personally, i define an env var for each directory: