Results and Analyses
BBS Trend Estimates and Maps
(relative abundance maps, etc.)
Raw & Summarized BBS data
Additional information
![Horizontal bar image](https://webarchive.library.unt.edu/eot2008/20081105153851im_/http://www.pwrc.usgs.gov/bbs/images/bar.gif)
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Laurel, MD, USA 20708-4038
http://www.pwrc.usgs.gov/bbs
Operations Contact: Keith Pardieck,
email: Keith_Pardieck@usgs.gov
Analyses Contact: John Sauer,
email: John_Sauer@usgs.gov
Last Modified:
4/8/08
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