Colorado Fourteeners Initiative – [http://www.14ers.org]
Colorado Mountain Club – [http://www.cmc.org]
Colorado Snow and Avalanche Center – [http://www.csac.org]
Leave No Trace – [http://www.lnt.org]
National Weather Service – [http://www.crh.noaa.gov]
The Weather Channel – [http://www.weather.com]
Weather Underground – [http://www.wunderground.com]
USFS, Rocky Mountain Hiking Safety – [http://www.fs.fed.us/r2/psicc/spl/safety]