Hi lindsay
An other thing about the result on the ground with the mesh lod9 for these I've worked is how they have been repared ,fill the data hole etc....
recently Cpt Teannel sent me mail because he could not download the Afnor mesh at SOH (today it's OK

),so I've sent to him the old beta straight_mesh lod9 that I've used for the Afnor beta test ,lod9 I've done using Blackart to repair the height files (1*x1* sized) ,srtm dem, before to compile them as bgls .
http://www.terrainmap.com/
SRTM DEM Repair using Blackart
Last year I've tried an other way using geotiff (5*x5*) MicroDem to repair convert as BIL and with slartibartfast compile them as bgls.these way allow to work on largest areas and I've compiled two Lod9 mesh bgls sized as fs lod5,946190m and 947190m.
here the very instructive Rhumbaflapy's CFS2 Mesh thread
http://www.sim-outhouse.com/sohforums/showthread.php?t=7623
yesterday I've tried this old mesh Detroit_Gibraltar_LOD9 because I've already noticed some differences on the rock between the two treatement here four screenies that show clearly
the two first pics show the Rock with the 946190m make by slarti
look the circle the cliff fall directly in the sea
twe two last pics show the same with Detroit_Gibraltar_LOD9 you can see the protuberence on the cliff and at the end I've put on it a Bunker .
the both set are good but the old is finally the most accurate historicaly also because in real ,exactly where is the bunker,there is the St george tower (alt 415 m) with ,I thing ,some defensive heavy Guns.
I didn't knew how terrifics was the koalas ....brrr...it's really scary
JP