Re: New Grand Canyon History Book w/Recommendation
Mike Anderson also leads Grand Canyon Field Institute classes. I went on
a Thunder River-Tapeats-Deer Creek trip led by him last spring. Very
interesting and...
CMann 2001-04-11 13:47:05 #8164
Re: transportation to N Rim
Karen,
The person I am thinking of is here at Grand Canyon.
Bob Audretsch
Grand Canyon, AZ
--- In grandcanyon@y..., KCTooley@a... wrote:
> Hi John Nanke....
bob41@grand-canyon.az.us 2001-04-11 13:37:00 #8163
Re: Moon phases for GC link?
For the year 2000 + y, the magic number is:
11 * (y mod 19) - 9
So next year's number is 13. For the year 2020, it's 2 again.
> I'd be interested...
jge@cs.unc.edu 2001-04-11 10:39:41 #8162
Re: transportation to N Rim
Hi John Nanke. Thanks for the invitation, and we certainly don't
mind being squished. We(3)need to travel to the N Rim on May 29,
Tuesday, but I am afraid...
KCTooley@aol.com 2001-04-11 10:31:50 #8161
Re: Moon phases for GC link?
It starts with a 1. It's moot really, because the formula is
accurate only to within a day or two anyhow.
John
--- In grandcanyon@y..., Al Kahler ...
jge@cs.unc.edu 2001-04-11 10:29:06 #8160
Re: Moon phases for GC link?
Too cool! (D+M+2)mod30.... Us propeller-headed engineers like stuff like
that.....
I'd be interested in that formula too....
Hnak
jge@... wrote:
Hank Schnieder 2001-04-11 10:21:35 #8159
Re: Moon phases for GC link?
with
respect to the M (month) variable as you describe below, does it start with 0 or
1??? I only ask this because computer geeks would start...
Al Kahler 2001-04-11 10:18:39 #8158
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