From the readme...

dod_dekkers_creek_mx (author not known)

Very small textured fun map, has a minimap,skybox.
3 flags, 2 player cap in the middle.

For very small servers only of 4-12 would be recommended.

Images

************ To install ************

The "dod" folder in the download should be copied into your "Day of Defeat Source" folder.

To find your dod folder…
1. Open your Steam Library
2. Right-click on the “Day of Defeat: Source” icon
3. Select “Manage” > “Browse local files” ….
4. A folder called “Day of Defeat Source” will pop-up, the dod folder is in there.
5. Copy and paste the “dod” folder in the download into “Day of Defeat Source” folder.