Remember that due to the possible errors in drafting and printing, USGS
maps only claim that things are within 1/50 inch of their true positions
on the map, which for a 1:24,000 scale map is 40 feet.

David

On Mon, 13 Aug 2001 bjbutler@... wrote:

> Today I made some high-resolution scans of the Boisberg, MN topo map
> and scale so I could accurately measure the relationships between the
> witness monument and the river, etc. The summary is:
>
> The tri-point, as shown on the map, is 80 feet E of the monument.
>
> The tri-point, as indicated on the monument (66 chains = 594 feet E
> of the monument)is in the Bois de Sioux River.
>
> The following link has been updated with this data and a copy of the
> high-res scan I used is included:
>
> http://www.bjbsoftware.com/corners/pointdetail.php3?point=58
>
> BJB
>
>
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