@inbook {2839,
	title = {Visitor Employed Photography: Its Potential and Use in Evaluting Visitors{\textquoteright} Perceptions of Resource Impacts in Trail and Park Settings},
	booktitle = {Proceedings of the 2006 Northeastern Recreation Research Symposium: 2006 April 9-11: Bolton Landing, NY. Ge. Tech. Rep. NRS-P-14},
	year = {2007},
	pages = {307-315},
	publisher = {U.S. Department of Agriculture, Forest Service, Northern Research Station},
	organization = {U.S. Department of Agriculture, Forest Service, Northern Research Station},
	address = {Newton Square, PA},
	keywords = {Appalachian Trail, Hiking, Tourism},
	url = {http://nrs.fs.fed.us/pubs/gtr/gtr_nrs-p-14/41-dorwart-p-14.pdf},
	author = {Dorwart, Catherine Elisabeth and Moore, Roger L and Leung, Yu-Fai},
	editor = {Burns, R. and Robinson, K.}
}
