66 http://www.militaryvehiclesmagazine.com
low the top, providing room for all
the supporting units.
Caterpillar D7 dozers and Clark
290M 20-yard scrapers pushed in
the access roads, installed drainage
culverts to stabilize the roads and
began clearing the existing vegeta-
tion including trees from the fi rebase
site and to clear fi re zones around the
perimeter. Frequently, the D7s were
used to push the 290s through the
soliddirtto increaseefficiencyofthe
dirtpans.
Manyofthelogs wereremoved
bycivilians.Davedidnotremember
the protocolsofhowthat occurred,
onlythatthereweresomeoldarmy
trucksused,probablyWWII-vintage
CCKWs.
AnAllis Chalmers 645M front
endloaderwasusedtodigpositions
includingbunkerlocations,trenches
and revetments for the big guns.