Nenana River, Denali National Park

International Space Station 800mm Photograph Image credit: Image Science and Analysis Laboratory, NASA Johnson Space Center (http://eol.jsc.nasa.gov)	NENANA RIVER, DENALI NATIONAL PARK ENTRANCE 63.33N, 150.50W The link is to the Wikipedia page on Denali National Park. GLACIAL SILT

ZERO MAGNITUDE IMAGE	REFLECTANCE SPECTRUM


1X MAGNIFICATION (RED LINE = 1MM)	3X MAGNIFICATION (RED LINE = 1MM)


ZERO MAGNITUDE IMAGE	REFLECTANCE SPECTRUM


*1X MAGNIFICATION (YELLOW LINE = 2 MM)**	*3X MAGNIFICATION (YELLOW LINE = 1MM)**

The top sample was contributed by a former faculty member from Gates Intermediate School, Scituate, Massachusetts