Friedland

An original construction of the 1807 battlefield for NIR. Made using various sources, both topographical and verbal descriptions of the ground and the battle. The entire field fits easily into 80x70 hexes.
Game files (scenarios, OOB, units, icons, pdt, etc.) are available from me for use with this map, Eylau and other projected battles from the period 1805-9.

Bukrin

A map 76 hexes square, with a different appearance to the usual, being made to represent late autumn or winter, with brown and bare trees, muddy, empty fields and a generally colder, more bleak feel.
A large 'playing area' is bordered by a swollen river looping up from SW to NE, impressively bridged in places and with islands inviting a major pontoon bridging operation.

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Warka

Set in Poland and fitting for the 1807 campaign or later, this map also has a section of major river as its northern boundary. The remainder is rolling hills broken up by small woods, gullies, streams and villages. At 72x84 hexes it is big enough to pick many good positions on.

Eylau

Greg Gorsuch's innovative map for the famous winter battle showed some anomalies on closer inspection. Some of the streams were running over hills, particularly in the SW corner (see map fragment, right, for corrections). There were also some bridges missing, differences between 2D, 3D and the .map files, and some lakes with hills in the middle.
Apart from corrections, some visual enhancement has also been done on the 3D view, with the lakes now being snow-covered, though rather smoother than their surroundings. The marshes have telltale crops of small trees and scrub and there are occasional trees dotted around the landscape to give it a less Antarctic feel.

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Eylau in summer

The same map as the original Eylau but in warmer weather. The map section view in the right is the same area as that of the winter map above, for comparison.
The lakes have changed from smooth cavalry-charge terrain to major obstacles. Marshes are wet and more difficult but, with a summer pdt file, the rest of the going should be much easier.
Battle files are available from me.