Re: the layers
The Grand Canyon Natural History Association publishes a beautiful map of Grand Canyon geology. The rock layers are color-coded, and there are numerous...
Bob Bordasch 2003-02-24 13:52:42 #20073

the layers
Speaking of layers, it is intersting to note that the GC formations vary in thickness between the east and western portions of the Canyon (north and south...
tomkbourne2002 2003-02-24 13:32:23 #20072

Re: Geology Help
--- In grandcanyon@yahoogroups.com, david.russell@m... wrote: Now David, you really need to learn those layers. It's time to do your homework! There are...
tomkbourne2002 2003-02-24 13:31:04 #20071

Re: Geology Help
David - My preference is to start with 5 sections. Cliff-Slope-Cliff-Slope-Cliff Like this: Upper cliffs - the 3 light colored layers ending at the...
Ken McNamara 2003-02-24 13:05:53 #20070

Geology Help
I have been in the canyon a number of times and struggle with figuring out what layer of rock I am in as I go along. The Vishnu Schist is pretty easy but...
david.russell@mac.com 2003-02-24 12:49:58 #20069

News: Federal Government Experiments with Fish Population in the Co
http://tv.ksl.com/index.php?nid=39&sid=10900
dnally 2003-02-24 10:46:49 #20068

Re: OFF TOPIC/WEIRD
Doc, They are not really trend setters. I think a lot of us spend more time talking about sex than having sex. I miss the Clinton jokes! Dick...
RMatth4505@aol.com 2003-02-24 09:32:43 #20067

OFF TOPIC/WEIRD
A new sex education class in Britain encourages kids under age 16 to experiment with oral sex, the Mirror newspaper reports. The program developed by Exeter...
doc thomas 2003-02-24 08:58:01 #20066

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