@article {12156,
	title = {Bridge Comparison: Little Pigeon River Bridge, Townsend Wye Bridge, Sinks Bridge, Cataloochee Creek Bridge},
	year = {1996},
	publisher = {Historic American Engineering Record},
	type = {Drawing},
	address = {Library of Congress Prints and Photographs Division},
	keywords = {Bridges},
	url = {http://www.loc.gov/pictures/collection/hh/item/tn0275.sheet.00011a/},
	author = {Lupyak, Edward and Historic American Engineering Record}
}
@article {12153,
	title = {Design Principles - Great Smoky Mountains National Park Roads \& Bridges},
	year = {1996},
	publisher = {Historic American Engineering Record},
	type = {Drawing},
	address = {Library of Congress Prints and Photographs Division},
	keywords = {History, Roads, Transportation},
	url = {http://www.loc.gov/pictures/collection/hh/item/tn0275.sheet.00005a/},
	author = {Lupyak, Edward and Historic American Engineering Record}
}
@article {12151,
	title = {Reference Map - Great Smoky Mountains National Park Roads \& Bridges},
	year = {1996},
	publisher = {Historic American Engineering Record},
	type = {Drawing},
	address = {Library of Congress Prints and Photographs Division},
	keywords = {Bridges, Maps, Roads},
	url = {http://www.loc.gov/pictures/collection/hh/item/tn0275.sheet.00002a/},
	author = {Historic American Engineering Record and Lupyak, Edward}
}
@article {12134,
	title = {Title Sheet - Great Smoky Mountains National Park Roads \& Bridges, Gatlinburg, Sevier County, TN},
	year = {1996},
	note = {Original image is 24 x 36 inches.},
	publisher = {Historic American Engineering Record},
	address = {Library of Congress Prints and Photographs Division},
	keywords = {Roads, Tunnels},
	url = {http://www.loc.gov/pictures/collection/hh/item/tn0275.sheet.00001a/},
	author = {Historic American Engineering Record and Lupyak, Edward}
}
