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Buck Nelson (Colter) - BPL Lifetime Member
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All Forum Posts by Buck Nelson
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So, Hygiene vs Waterborne Giardiasis? A recurring theme for Welch and Rockwell is that it's hygiene, not the water, that's causing giardiasis for backpackers. What can be concluded from this study? |
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Cases, Controls, what it means Bill said: "A case was defined as any person having a positive stool specimen for G. lamblia during the study year. A questionnaire was administered by telephone to each case and to controls m... |
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More numbers Katy said: So if 17% of the Colorado population of about 4 million in 1977 drank untreated water that would be 680,000 people. Out of these 691 tested positive for giardia, that is a 0.1% lab ident... |
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Colorado Survey Hi Katy, It's good that you don't just accept things as they appear to be on the surface. One thing I've learned early on in this research is to step back and ask "here's... |
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Good points Bill At some point enough is enough on digging too deep in a blog post. The typical person is unlikely to read all the way through a long post with citations as it is. If it were a paper for peer review... |
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Re: Re: re: re: Peer review To quote what I've written earlier: A major theme in the Rockwell paper is that Sierra water on average is purer than San Francisco and LA water. Except for two big factors: these cities filte... |
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Looking into the giardiasis numbers Katy said: A one-year retrospective laboratory survey in Colorado revealed that 691 (3%) of 22,743 stool examinations for ova and parasites were positive for Giardia lamblia, a higher percentage th... |
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re: re: Peer review Bill, by "waterborne giardiasis in the backcountry is a concern" I mean that giardia is often present and drinking the water might result in an infection. No offense intended, but you ... |
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Control Groups Katy said: What you did with these numbers was to say: if three times as many people in the infected group drank untreated water then it follows that untreated water is three times as infectious... |
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Peer review That paper maybe hasn't been "peer reviewed" in the sense you imply, but in terms of being read, discussed, and contemplated on by fellow travelers in the Sierra, it most certainly ha... |
All Reader Reviews by Buck Nelson
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Marmot Hydrogen (2004 model) I've got an older model with the shorter zipper that weighs 23 oz. I use it with my warm clothing (down jacket, balaclava, long underwear) on the coldest nights. I've slept toasty down into th... |
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ZPacks Hexamid Solo Tent I used this shelter on my Desert Trail hike, Mexico to Canada, followed by three weeks canoeing the Yellowstone River. My shelter... |
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SMD Wild Oasis I got my Six Moon Designs Wild Oasis for the Pacific Crest Trail. I already had the SMD Lunar Solo, which I love, but decided to save a few more ounces with the Wild Oasis. I planned to switch to the ... |
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Darn Tough Socks Boot Sock Cushion and Full Cushion, Merino Wool I have been a loyal Smartwool wearer for years. For me, Merino wool is the way to go. On prior thru-hikes Smartwools were very comfortable but seemed to wear out too quickly. So for the PCT I got some... |
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ULA Helix "Ice Axe" Potty Trowel I bought one at the "kick-off" to use on the PCT. It broke when I was chopping snow to melt for drinking water. I was appalled when I looked at the broken pieces to see how weak this "i... |
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GoLite GoLite customer service I liked my Golite Infinity pack but the material was too weak. Golite quickly and cheerfully replaced the pack. Unfortunately I hadn't requested a newer model and after nearly two thousand miles t... |
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Everestgear.com Customer Service I hiked the Continental Divide Trail last summer. In New Mexico there were two pieces of new gear I wanted. A friend put in an order with Everestgear.com on my behalf to be delivered to Ghost Ranch. W... |
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PossumDown Gloves (BPL Gear Shop) I used these gloves on my CDT hike. Ultralight hiking is all about tradeoffs, and these gloves were a good compromise. Under normal cool conditions, say to just below freezing, they were quite warm. T... |
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Titanium Goat AGP AGP I used these poles on my CDT and PCT and Desert Trail hikes. I often hike with a single pole. These are not poles for people hard on gear. If y... |
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Pak-Lite White Super This is a very good light. I'm giving it a 4 instead of a 5 because this is the Backpackinglight website, and there are other lights that are much smaller, lighter, and do a similarly good job. Fo... |
