b.cesm3_cam058_mom_e.B1850MOM.ne30_L32_t061.cam6_cice5.018b.clm2.h0.
and
bmom.e23.f09_t061_zstar_N65.nuopc.GM_tuning.002.clm2.h0.

Set 9 Description: Line plots, tables, and maps of RTM river flow and discharge to oceans
'D_' denotes a variable derived from two or more history file variables (lnd_func.ncl)
'C_' denotes a CASA model variable.