The following paper was published
in the Proceedings of Lunar and Planetary Science.
Copyright 1991 Lunar and Planetary Institute.
Further reproduction or electronic distribution is not permitted.
Edgett, K. S. (1991), The ejecta deposit of the ancient
basin Herschel: An example of a generally unrecognized martian
sedimentological unit,
Proceedings of Lunar and Planetary Science, 21, 657–667.
PDF of the paper