Glaciers from the last glaciation still exist in places like Norway, Iceland and the Alps. When glaciers melt their meltwaters collect in many various reservoirs above or below the surface. Rivers can draw their waters from other sources besides rain. For example from lakes slowly draining or from underground caverns also initially formed by glacier meltwater and slowly depleting according to underground topography and the location of their ground springs. River Avon flowing by Stonehenge bottom is sourced in such a way, for example.
But we really don't need to know all that to know if a mill drew water directly from a river the river had to be flowing at that elevation, whatever the reason. And whether the mill latter was converted to a cottage or a pig stall really does not matter.
[log in to unmask]
From: John Wood <[log in to unmask]>
To: kostadinos <[log in to unmask]>
Cc: BRITARCH <[log in to unmask]>
Sent: Thu, Oct 15, 2015 10:38 AM
Subject: Re: [BRITARCH] Was the Rhosyfelin Neolithic bluestone "quarry" engulfed in water?
<div id="AOLMsgPart_1_05992207-0bf1-4dd5-bbf8-9db34149b956" style="margin: 0px;font-family: Tahoma, Verdana, Arial, Sans-Serif;font-size: 12px;color: #000;background-color: #fff;">
<pre style="font-size: 9pt;"><tt>>On 10/15/15, Constantinos Ragazas
<<a href="mailto:[log in to unmask]">[log in to unmask]</a>> wrote:
"Unlikely"? I would
argue "more likely". Since the closer in time we
are to the glacier great melt,
the more meltwater we have to be
drained from the surface. The glaciers at
their maximum were said to
have been 2 miles thick! (not my estimate!). That is
a lot of water!
But, Kostas, when the Rhosyfelin quarry was being used the
and their meltwater had long gone!
But we don't need to go that
far back to recognize water levels of
rivers and lakes have declined over the
years. In my own lifetime I
have seen some rivers and streams in the
countryside of my youth
nearly dry up. And we can also see the water levels
drop if we look at
current river banks. Where the higher water volumes carved
vertical layers of sediments tens of meters thick. I have seen
too in the countryside of my youth. And of course you must have
Are you saying that we are rivers our still carrying water from
last glaciation, and this meltwater has just got less and less over
time? In this country most of our river water comes from rain, it
falls out of
the skies, though looking at pictures of your formative
homeland you probably
never had that there, so an alternative such as
glaciation might be more
</div> <!-- end of AOLMsgPart_1_05992207-0bf1-4dd5-bbf8-9db34149b956 -->