Large -- Medium Petroglyphs in the Tucson mountains.
	Large -- Medium John Weirich discovers a naughty petroglyph.
	Large -- Medium A pretty view in the Tucson mountains.
	Large -- Medium University of Colorado (Boulder) campus.
	Large -- Medium Another CU-Boulder view.
	Large -- Medium View from my hotel balcony at the Lunar and Planetary Science Conference (Houston).
	Large -- Medium Ivy, the seeing eye dog of Jim Richardson (my former officemate) fetching my sneaker.