58 calls from
CLASSW

CANADD  2
CANVAP  2
CGROW   1
CHKWAT  4
CWCALC  2
GRDRAN  4
GRINFL  4
ICEBAL  2
SNINFL  2
SNOADD  4
SNOALBW  2
SNOVAP  4
SUBCAN  2
TFREEZ  4
TMCALC  4
TMELT   2
TWCALC  4
WATROF  4
WPREP   1
XIT     4