Furnace Canyon, Colorad... 00-3454 [Albert C. Rogers, Chri... Original 5X7 nitrate ne...

title	Furnace Canyon, Colorado
catalog number	00-3454
rights	use with permission Denver Museum of Nature & Science

Furnace Canyon, Colorad... 00-3456 [Christine Powers, Albe... Original 5X7 nitrate ne...

title	Furnace Canyon, Colorado
catalog number	00-3456
rights	use with permission Denver Museum of Nature & Science