src/physics/rrtmg/ext  https://svn-ccsm-models.cgd.ucar.edu/rrtmg/trunk_tags/rrtmg_091202/src
chem_proc              https://svn-ccsm-models.cgd.ucar.edu/tools/proc_atm/chem_proc/trunk_tags/chem_proc3_6_05
tools/cprnc            https://svn-ccsm-models.cgd.ucar.edu/tools/cprnc/trunk_tags/cprnc_081022