The ns_adrianne_beta4a.zip file you have requested: Mods / Multiplayer / Natural Selection / Maps / Classic / Natural Selection: NS Adrianne Map - 2.86mb is not available. Perhaps try browsing all files for the game Half-Life and upload any files you want to share or are missing. This is the only information we could locate:
Adrianne is an abandoned mining and research facility on a small planet, located in the same planetary system as Hera. It was earmarked as a marine launching site in the battle against the Kharaa but was lost to them. Reclaim it. For the detailed back story and map information, check out the text file in this file package in the maps folder.