Index: /issm/trunk/src/m/model/marshall.m
===================================================================
--- /issm/trunk/src/m/model/marshall.m	(revision 8249)
+++ /issm/trunk/src/m/model/marshall.m	(revision 8250)
@@ -83,4 +83,5 @@
 WriteData(fid,md.spcthickness,'Mat','spcthickness');
 WriteData(fid,md.spcwatercolumn,'Mat','spcwatercolumn');
+WriteData(fid,md.diagnostic_ref,'Mat','diagnostic_ref');
 
 WriteData(fid,md.pressureload,'Mat','pressureload');