enhance map background

[JEFFREY S GALL]

grads users,

I want to enhance the map background in my plots.  The continent borders in my
plots are very faint and hard to make out.  How do I go about doing so?
Thanks,

--Jeffrey
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Jeffrey S. Gall
PhD Candidate
Department of Meteorology
Pennsylvania State University
Office: 601 Walker
Phone:  814-232-0590
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