Here is the original context for the 'morton' edged ware color confusion. Still feels like 'maroon' to me.

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From: HISTORICAL ARCHAEOLOGY [[log in to unmask]] on behalf of Susan Walter [[log in to unmask]]
Sent: Tuesday, July 26, 2016 10:03 PM
To: [log in to unmask]
Subject: Re: YELLOW edge decorated

Hello Bob,
I've never heard of "morton".
Is that the term for molded but without color added?
Thanks a lot,
Susan Walter

-----Original Message-----
From: [log in to unmask]
Sent: Friday, July 22, 2016 5:08 PM
To: [log in to unmask]
Subject: Re: YELLOW edge decorated

La Purisima has blue (of course), yellow, morton, green feather edge
ceramics in their collections.  Unsure about time sensitivity.


Bob Hoover



-----Original Message-----
From: Susan Walter <[log in to unmask]>
To: HISTARCH <[log in to unmask]>
Sent: Fri, Jul 22, 2016 12:38 pm
Subject: YELLOW edge decorated

Hi All,
We have several sites here in San Diego with a considerable amount of yellow
feather/shell edged vessels.  Is the yellow color time sensitive?  I rarely
see it even mentioned.
Thanks,
S. Walter