Index: /issm/trunk/src/m/classes/public/extrude.m
===================================================================
--- /issm/trunk/src/m/classes/public/extrude.m	(revision 509)
+++ /issm/trunk/src/m/classes/public/extrude.m	(revision 510)
@@ -102,8 +102,8 @@
 
 %observations
-md.vx_obs=project3d(md,md.vx_obs,'node',md.numlayers);
-md.vy_obs=project3d(md,md.vy_obs,'node',md.numlayers);
-md.vel_obs=project3d(md,md.vel_obs,'node',md.numlayers);
-md.accumulation=project3d(md,md.accumulation,'node',md.numlayers);
+md.vx_obs=project3d(md,md.vx_obs,'node');
+md.vy_obs=project3d(md,md.vy_obs,'node');
+md.vel_obs=project3d(md,md.vel_obs,'node');
+md.accumulation=project3d(md,md.accumulation,'node');
 md.firn_layer=project3d(md,md.firn_layer,'node',md.numlayers);