With Jack's help, found AGRID files gridded by Moeko here:
cd /as/group/unc/run_GCAP_4x5/AGRID
Amos says that 2051 in the above directory closely matches 2051
in /as/data/gcap/GCAP_4x5/AGRID. 
I've copied over 2052-2055 from the /unc/ directory to AGRID.
The other directories I've placed here, AGRID_jun11.
Loretta, 18 June 2011