[Aztlan] Grivalja River Hydrology

[poulsen]

The NWAF at byu has maps of the Greijalva river valley before the damn was 
built. They include contour lines as wel.

http://nwaf.byu.edu/

Larry P

----- Original Message ----- 
From: "David and Fiona Gray" <davefiona at yahoo.com>
To: <aztlan at lists.famsi.org>
Sent: Thursday, February 11, 2010 5:42 PM
Subject: [Aztlan] Grivalja River Hydrology


> Hi All,
>      can anyone direct me to some good online articles about trade routes 
> that went down the Grivalja, Also what the hydrology of the river was like 
> before the dams were built. I have tried searching on the net for this 
> type of thing but have come up empty. Thanx in advance.
> Dave G
>
>
>
>
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