Unusual Martian Surface Features

Glen Dale: Mars Research, 1982. Third Edition. Paperback. Very Good. Signed and dated by Di Pietro on the front cover. Very Good. Wraps lightly soiled, bumped at the corners. Firmly bound with two staples, clean internally. A combined effort to re-examine images taken during the Viking and Mariner missions to renew interest in assessing the history of life on Mars. From the collection of Tom Benson.