STRAIGHT FROM PPL MONTANA
.. Here's the page link:
http://www.usbr.gov/gp-bin/arcweb_hebr.pl
.. Here's the archive link
http://www.usbr.gov/gp-bin/hydromet_arcplt30.pl?HEBR&FB
.. Here's the Storage reservoirs:
http://www.usbr.gov/gp/hydromet/teacup_cf.htm