Talk:Tharsis quadrangle

Astronomy: Mars / Solar System Low‑importance

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Bad ISBN

Because it is causing a Checkwiki error #73: "ISBN-13 with wrong checksum", I removed the ISBN from the entry:

ISBN 978-0-521-87501-0 Parameter error in {{ISBN}}: checksum

An ISBN alone is not a reference; when it's an invalid ISBN, it's useless. Knife-in-the-drawer (talk) 17:14, 30 April 2015 (UTC)[reply]

Article is talking to itself

The section where the definitions of various terms are being outlined seems to be having a conversation with itself about what a "patera" is. The style isn't very encyclopedic. --73.231.105.237 (talk) 19:53, 7 March 2018 (UTC)[reply]