Mike Jacobs wrote:
 
> A novel, I believe, adaptation of the Harris Matrix was made by Rick Ahlstrom
> (1992).The challenge was to attempt to date the undated photographs to enhance
> their value as visual depictions of architectural change.  What Rick did was t
o
> treat each photograph as a unique "stratum" in a Harris Matrix.
 
Martin Davies, while working as part of the Port Arthur Conservation Project in
Tasmania also adapted the matrix to include other than archaeological strata. Hi
s
scheme allowed for the inclusion of archaeological (excavated), structural
(standing building remains), and historical (written, graphic, pictorial) strata
in the matrix, each identified by a different symbol. The symbols can overlap so
that one stratum can be represented by all three type of evidence. This approach
is particularly useful at the phase matrix stage.
 
For a full explanation see:
 
Martin Davies
1987       'The archaeology of standing structures'
                in Journal of Australian Historical Archaeology.  Volume 5
pp.54-64
 
===============================================================
 
Andrew Wilson
Archaeology A14
University of Sydney 2006
Australia
 
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