International Space Station 800mm Photograph

Image credit:  Image Science and Analysis Laboratory, NASA Johnson Space Center (http://eol.jsc.nasa.gov)

CASTLE ROCK, TOUTLE RIVER 46.27N, 122.91W

The link is to the Wikipedia page on Castle Rock.

ZERO MAGNIFICATION IMAGE

REFLECTANCE SPECTRUM

1X* MAGNIFICATION (YELLOW LINE   = 2MM)

1X MAGNIFICATION (YELLOW LINE   = 2MM)