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Index no. 0052

Joint Maps of the

Northern Boundary

of the

United States

From the Lake of the Woods to the Summit of the Rocky Mountains.

Published in Washington, 1878.

List of plates.

Scanning details:

Scan at 600 d.p.i.
Rectify
"Smart resize" to 71% by 71% (to enable correct splicing)
Splice
Straighten
Clean
Splice
   —   Images for sale were processed as above. Images shown on this site were further processed as follows:
"Smart resize" to 71% by 71% (50% of the 600 d.p.i.)
Convert to Zoomify

Date scanned: 2014-01