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To:
SunkenCiv
I read an article about a very durable Roman concrete that was 'special' because it contained ash only from a certain volcano.
Roman Concrete: Volcanic Material Created An Empire
21
posted on
01/07/2023 10:39:25 AM PST
by
blam
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To:
blam
That's the stuff.
KEYWORDS:
pozzolana
;
pozzolano
;
23
posted on
01/07/2023 11:26:39 AM PST
by
SunkenCiv
(Imagine an imaginary menagerie manager imagining managing an imaginary menagerie.)
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