Re: Holes in Nankoweap Butte
Are the holes around 3/4 to 1 inch in diameter and round? Are these also mainly in the Precambrian rocks and not the sedimentary rocks or the Paleozoic...
Watkins, Conor Maris (S&T-Student) 2009-01-29 07:42:39 #53831
Re: Holes in Nankoweap Butte
These look like the cores taken by the late (Flagstaff) USGS geologist
Don Elston who did a lot of paleomagnetic research in Grand Canyon
during the '70 and...
driftersmith 2009-01-29 07:38:40 #53830
Re: Holes in Nankoweap Butte
Thanks for the perfect segue opportunity Bob, :-)
Whilst circling Walhalla Plateau in 1998 I happened
on some similar holes near Unkar Rapids, river right.
I...
stickybit0 2009-01-29 07:08:34 #53829
Re: Interior Ignored Science
Did the Colorado water flow change on a night/day cycle or did it
mainly change during the flood seasons before the dams? The Colorado
river has not been a...
Clayton Palmer 2009-01-29 05:54:16 #53828
Holes in Nankoweap Butte
During a hike in November I came across some holes drilled into rock at
Nankoweap Creek and more were discovered just below the summit of
Nankoweap Butte....
tricks114 2009-01-29 05:53:28 #53827
Interior Ignored Science
Here is an interesting article that appeared in the Flagstaff paper this morning.
Mal S.
Canyon head: Interior ignored science
Park Supt. Steve Martin...
malsantiago 2009-01-28 07:08:31 #53826
Re: GC Packraft trip podcast
Randy,
As one who has packrafted (nothing "outlaw") in the Grand Canyon, this
is a subject of great personal interest. My most recent conversation
on the...
chris.forsyth 2009-01-27 14:47:52 #53825
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