I have successfully procured a 1:50,000 scale map of the Champagne YK quad (115 A/16), which is the most detailed topo map that shows one of the possible ...
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David Metzler
metzler@...
Apr 23, 2001 3:08 pm
For the Orizaba saddle I had found three possibilities (including Champagne YK) between 2300 and 2500 feet: Summit Lake (93J/7): 2316 to 2400 feet. L/L...
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Andy Martin
martin@...
Apr 24, 2001 5:12 pm
To: prominence email group, Bob Martin, Mark Nichols, Scott Surgent, Adam Helman, Levi Foust Those interested in math and hiking may like thus - Andy Summit...
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David Metzler
metzler@...
Apr 25, 2001 3:42 am
A reply to Andy's Summit Mathematics Dilemma (quoted below) The correct answer is (basically) #2, although a better answer is 1/8 = 12.5%. I will try to...
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Edward "7.389056099" ...
esquared@...
Apr 25, 2001 5:42 am
I have little to add to David's good explanation about peak, saddle, and prominence distributions within a contour interval. I was going to point out that a...
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Andy Martin
martin@...
Apr 25, 2001 4:20 pm
(Adam Helman) ... An interesting goal - climb a summit in each 1,000' bracket. State HPers are only missing 3 slots from 0 to 14, which can be rounded out by a...
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Andy Martin
martin@...
Apr 25, 2001 6:44 pm
More on brackets is attached. The lower 48 list is improved with Loma Prieta CA in the 3,000 to 3,999 slot. Also, state lists for CA, AZ, WA are attached....
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Edward "7.389056099" ...
esquared@...
Apr 26, 2001 2:19 am
Using my hypothesis that prominence density is proportional to 1/(P^2), I've calculated the prominence density distribution for a peak whose summit and saddle...
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Andy Martin
martin@...
Apr 26, 2001 4:18 pm
(Andy) ... (Roy) Its always possible, but as it doesn't have a 3000' contour there is no present basis to believe this (Andy) Right, Checked the maps better,...
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Steven Gruhn
scg@...
Apr 26, 2001 5:05 pm
(Andy) Also did a quick AK bracket list, though checking is needed to determine if Veniaminof, Chiginagak, or Frosty Peak are on islands. (Steve) Frosty Peak,...
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DavidWmOlson@...
Apr 27, 2001 1:35 am
(Andy Martin) Subject: correction (Fred) ... (Andy Martin) Right. Purge the earlier list from your memory banks, insert following: (David Olson) Very good!...
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Roy Schweiker
roy.schweiker@...
Apr 27, 2001 3:42 am
... I disagree. Doesn't the distribution function imply that both are biased downward? Prominence could still be nonuniformly distributed since the "skewness"...
... I guess it depends on how one defines "downward". The distribution function imples that S (as I defined it in my previous message) is biased downward, but...
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Andy Martin
martin@...
Apr 27, 2001 4:56 pm
(Roy S) Extra credit problem: You are trying to make a list of peaks with 100-meter (~328') prominence from maps with 20' & 40' contours. What is the...
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DavidWmOlson@...
Apr 28, 2001 1:56 am
(Andy's list) 1 ? Mount Abram ME 1,260 Roy Schweiker suggests: Green Mountain (NH) |1374|1884|Freedom |434605N0710211W|500+10|col SE|Ossipee Gilson...
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DavidWmOlson@...
Apr 29, 2001 1:41 am
(the list, as published by A. Martin) 0 ? Morro Rock CA 538+ Is sand spit natural ? Here is a better one: Superstition Mtn., CA, Imperial 800+...
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Howbert, Jeff (SEA)
jeffhowbert@...
Apr 30, 2001 3:35 am
In the 1000-1999 ft. elevation bracket, the most prominent peak I'm aware of in WA is: Sooes Peak (USGS Neah Bay) 1960+ 280 1680 prominence which easily...
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Andy Martin
martin@...
Apr 30, 2001 5:17 pm
(Jeff Howbert) ... (Davd O) And remember, the list needs one more bracket, the "-0s"! (Andy) Done (Davd O) Here is a better one: Superstition Mtn., CA,...
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Andy Martin
martin@...
Apr 30, 2001 6:19 pm
(Fred Lobdell - bracket prominence) if you're excluding "island" peaks, then continental (= very large islands) high points must be excluded. (I'm referring...
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Edward "7.389056099" ...
esquared@...
May 1, 2001 6:20 am
... First of all, I think only island HPs, not all island peaks, should be excluded. If you think about it, just about any bracket will be won by an island...
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Roy Schweiker
roy.schweiker@...
May 3, 2001 3:18 pm
There seems to be a train of thought that island peaks gain prominence too easily, see below for an alternate view In the mid 1900's, thirsty Boston bought up...
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Andy Martin
martin@...
May 3, 2001 5:23 pm
(Roy) ... In this case I would count the prominence before the manmade activity took place. Could lead to interesting problems though - how many 300' summits...
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Andy Martin
martin@...
May 3, 2001 5:41 pm
(Jeff Howbert) The prominence of Sooes Peak is 1680 ft., not the 1960+ ft. summit elevation that you transcribed into your latest bracket list. Jeff "Baby...
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Andy Martin
martin@...
May 3, 2001 10:10 pm
(John Roper - wants to add in islands) ... (Andy) Well, a couple "drive ups" take out Rainier & Baker for starters. :) Mount Constitution at 2,407 is not going...
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Edward "7.389056099" ...
esquared@...
May 4, 2001 6:45 am
I'm a bit skeptical that greatest prominence by elevation bracket is very meaningful, for two reasons. 1) For a given elevation (or bracket thereof) the peak...
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Bob and Rhonda Bolton
rfbolton@...
May 4, 2001 2:35 pm
Ed, It seems to me that this new top 5 list still has much the same problem: very low saddles. The only one in the list with a decent saddle is Shasta. Mt....
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Edward "7.389056099" ...
esquared@...
May 4, 2001 2:45 pm
(Hans H) ... SDTS ... Wonderful! I have successfully downloaded this and used it to convert a quad to native DEM format. Though I can't yet load it into my...
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Andy Martin
martin@...
May 4, 2001 4:49 pm
(Bob Bolton) ... (Andy) Would like some concrete examples here. For example, maybe in WA the most overrated by prominence is: Round Mountain, number 8 [on WA...
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Andy Martin
martin@...
May 5, 2001 12:02 am
(David - island bracket listing fixes) ... Right. What idiot put it in the 14,000+ bracket in the first place ? ... Done. Good one. ... That would be a tough...
