From Spec Fic Markets:
PUBLICATION TITLE: Footprints.
DESCRIPTION: Science Fiction anthology to be edited by Jay Lake, jaylake and Eric T. Reynolds, ericreynolds.
PUBLISHER: Hadley Rille Books.
ABBREVIATED SUBMISSION GUIDELINES:
THEME. Long after our species and all its works have turned to dust, the moon landing sites will still show evidence of our time here on Earth. Imagine future explorers from among the stars interpreting that. The astronauts’ footprints should last longer than the fossils in the Olduvai Gorge have.
LENGTH. 4000 to 10000 words.
SUBMISSION PERIOD: From 15 August 2008 through 15 November 2008.
More info at ericreynolds and jaylake.
Complete submission guidelines are here.