  Asteroid surveys are the backbone of asteroid science, and with this in mind
we begin with a broad review of the impact of asteroid surveys on our field. We
then provide a brief history of asteroid discoveries so as to place
contemporary and future surveys in perspective. Surveys in the United States
have discovered the vast majority of the asteroids and this dominance has been
consolidated since the publication of Asteroids III. Our descriptions of the
asteroid surveys that have been operational since that time are focussed upon
those that have contributed the vast majority of asteroid observations and
discoveries. We also provide some insight into upcoming next-generation surveys
that are sure to alter our understanding of the small bodies in the inner solar
system and provide evidence to untangle their complicated dynamical and
physical histories. The Minor Planet Center, the nerve center of the asteroid
discovery effort, has improved its operations significantly in the past decade
so that it can manage the increasing discovery rate, and ensure that it is
well-placed to handle the data rates expected in the next decade. We also
consider the difficulties associated with astrometric follow-up of newly
identified objects. It seems clear that both of these efforts must operate in
new modes in order to keep pace with expected discovery rates of
next-generation ground- and space-based surveys.
