http://groups.yahoo.com/group/prominence/ Topographic prominence discussion Wed, 18 Nov 2009 17:54:18 GMT Robert W Packard http://groups.yahoo.com/group/prominence/message/5817 http://groups.yahoo.com/group/prominence/message/5817 Nov 15 with Andy Martin: Jerusalem Mt (5294, P=1014+). 9.25h, 11m, 3300f. We camped for this on BLM land just north of the Gila River and just south of the Fri, 13 Nov 2009 01:50:31 GMT Adam Helman http://groups.yahoo.com/group/prominence/message/5816 http://groups.yahoo.com/group/prominence/message/5816 The P4000 foot cell map is indeed a "Mercator-like" projection in that the pixel distance between meridians of longitude is independent of latitude. (However, Thu, 12 Nov 2009 23:05:25 GMT Adam Helman http://groups.yahoo.com/group/prominence/message/5815 http://groups.yahoo.com/group/prominence/message/5815 Sound like no specific projection can be assigned to your quiltwork, Eric 8-). If the southern and northern edges of each quadrangle are "forced" to maintain Thu, 12 Nov 2009 21:34:04 GMT Edward "7.389056099" Earl http://groups.yahoo.com/group/prominence/message/5814 http://groups.yahoo.com/group/prominence/message/5814 ... I don't see how the final map could be Lambert conformal conic. That projection would have made the US/Canada border curved. You are almost certainly right Thu, 12 Nov 2009 21:21:02 GMT Eric Noel http://groups.yahoo.com/group/prominence/message/5813 http://groups.yahoo.com/group/prominence/message/5813 Hello, I'm not sure I have a good answer to your question. That P4000 map was made using TOPO which essentially sews together various USGS quads, either 7.5 Thu, 12 Nov 2009 00:29:23 GMT Adam Helman http://groups.yahoo.com/group/prominence/message/5812 http://groups.yahoo.com/group/prominence/message/5812 Hello Roy, I do NOT consider 200 feet to be an overly small cutoff prominence! It IS what it IS....and appears to be a good (albeit arbitrary) value for SOME Wed, 11 Nov 2009 23:55:03 GMT Roy Schweiker http://groups.yahoo.com/group/prominence/message/5811 http://groups.yahoo.com/group/prominence/message/5811 ... Depends on how much private or secure property there is. I started on CT but decided it was more trouble than it was worth. And even using what Adam Wed, 11 Nov 2009 23:44:36 GMT Adam Helman http://groups.yahoo.com/group/prominence/message/5810 http://groups.yahoo.com/group/prominence/message/5810 Hello Edward, Thanks for all of the answers. To answer your implied question, Acme.com employs the WGS84 datum. ... To all: a **conformal** projection Wed, 11 Nov 2009 23:24:46 GMT Edward "7.389056099" Earl http://groups.yahoo.com/group/prominence/message/5809 http://groups.yahoo.com/group/prominence/message/5809 ... Not quite. I usually generated a complete prom list for the state down to some higher cutoff, and noting the county of each peak that appeared. Eventually, Wed, 11 Nov 2009 21:06:03 GMT Adam Helman http://groups.yahoo.com/group/prominence/message/5808 http://groups.yahoo.com/group/prominence/message/5808 ... I will likely never find myself bagging prominences in the national's heartland - but that's hardly the point. How many of us are willing to devote Wed, 11 Nov 2009 19:53:22 GMT Edward "7.389056099" Earl http://groups.yahoo.com/group/prominence/message/5807 http://groups.yahoo.com/group/prominence/message/5807 I have compiled partial county prominence lists for NE and IL, down to 200'. Results are posted on my county prom site: Wed, 11 Nov 2009 17:49:13 GMT Ken R http://groups.yahoo.com/group/prominence/message/5806 http://groups.yahoo.com/group/prominence/message/5806 I bagged this mighty P4k on October 24, 2009. The overcast was thick and I was frequently in it. As I was driving in on FS 1850, I noticed a path beaten into Sat, 07 Nov 2009 04:58:47 GMT dillmore http://groups.yahoo.com/group/prominence/message/5805 http://groups.yahoo.com/group/prominence/message/5805 I was able to fit some prominence peaks into some recent family trips. October 17, 2009 Little Pisgah Mountain (4,412', P1752) NC and Southeast 50 finest The Thu, 05 Nov 2009 23:10:38 GMT Robert W Packard http://groups.yahoo.com/group/prominence/message/5804 http://groups.yahoo.com/group/prominence/message/5804 It's November, so I thought I'd head south for a few AZ summits. I had 4 on my to do list. Nov 1: Climbed Pinyon Mt (5268, P=868), south of Roosevelt Lake. Wed, 04 Nov 2009 20:46:52 GMT wererichertoo http://groups.yahoo.com/group/prominence/message/5803 http://groups.yahoo.com/group/prominence/message/5803 ... I am surprised that nobody in this group has yet mentioned the Nike Oregon Project, which started out as a high profile project to train American runners