Unknown
Parsons, Tom
;
Blakely, Richard J.
;
Brocher, Thomas M.
;
[et al.]
Christensen, Nikolas I.
;
Fisher, Michael A.
;
Flueh, Ernst R.
;
Kilbride, Fiona
;
Luetgert, James H.
;
Miller, Kate
;
ten Brink, Uri S
;
Trehu, Anne M.
;
Wells, Ray E.
US Geological Survey Information Services
In:
Professional paper / US Department of the Interior, US Geological Survey, 1661-D . US Geological Survey Information Services, Denver, Colorado, USA, 40 pp.