@book {11402,
	title = {Exploring Our National Parks and Monuments},
	year = {1963},
	note = {Illustrations},
	pages = {288},
	publisher = {Houghton Mifflin},
	organization = {Houghton Mifflin},
	edition = {5th ed., 3rd rev. print.},
	keywords = {Guidebooks, Tourism},
	author = {Butcher, Devereux}
}
