prMac serves to enhance the visibility of press releases in the Mac world, offering Mac-centric news media distribution services as well as top-notch RSS feeds. © 2012 prMac http://prmac.com/ en-us http://prmac.com/release-id-11475.htm http://prmac.com/release-id-11475.htm Wed, 17 Mar 2010 06:30:00 CST David Day, a widely-read hiking guide writer for trails in Utah and Colorado, and TalkingRockies, a pioneer in mobile recreation guides, have just released apps for Utah's 5 national parks for iPhone and Android systems. These guides introduce outdoor enthusiasts worldwide to the wonders that await them in the amazing backcountry in Utah's national parks. One guide covers the western parks, Zion, Bryce Capitol Reef, and the other covers the eastern ones, Arches and Canyonlands.