Much of the work done by UCMP on the Vendian was supported by
NSF EAR grants numbers 9317247 and 9814845 to J.W. Valentine and J.H. Lipps.

agc: 6/9/94, 10/6/94

bmw: 6/9/94

brs: added stratigraphy page 9/19/99

agc: cleaned up some of the White Sea pages and images 9/30/99

Sarah Rieboldt: updated to reflect Geological Society of America (GSA)
1999 Geologic Timescale, compiled by A.R. Palmer and J. Geissman 11/02

Dave Smith: Code cleanup, addition of footer includes,
application of UCMP style sheet (to whitesea.html) 10/4/05

Dave Smith: Reformatting of remaining Vendian pages 10/7/05