Index: /issm/trunk-jpl/externalpackages/gdal/install-3.0-netcdf.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/gdal/install-3.0-netcdf.sh	(revision 24414)
+++ /issm/trunk-jpl/externalpackages/gdal/install-3.0-netcdf.sh	(revision 24415)
@@ -6,6 +6,6 @@
 #
 VER="3.0.2"
-HDF5_ROOT="${ISSM_DIR}/externalpackages/hdf5/install"
-NETCDF_ROOT="${ISSM_DIR}/externalpackages/netcdf/install"
+HDF5_ROOT="${ISSM_DIR}/externalpackages/petsc/install"
+NETCDF_ROOT="${ISSM_DIR}/externalpackages/petsc/install"
 PROJ_ROOT="${ISSM_DIR}/externalpackages/proj/install"
 
Index: /issm/trunk-jpl/externalpackages/gdal/install-3.0-python-netcdf.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/gdal/install-3.0-python-netcdf.sh	(revision 24414)
+++ /issm/trunk-jpl/externalpackages/gdal/install-3.0-python-netcdf.sh	(revision 24415)
@@ -10,6 +10,6 @@
 #
 VER="3.0.2"
-HDF5_ROOT="${ISSM_DIR}/externalpackages/hdf5/install"
-NETCDF_ROOT="${ISSM_DIR}/externalpackages/netcdf/install"
+HDF5_ROOT="${ISSM_DIR}/externalpackages/petsc/install"
+NETCDF_ROOT="${ISSM_DIR}/externalpackages/petsc/install"
 PROJ_ROOT="${ISSM_DIR}/externalpackages/proj/install"
 
Index: /issm/trunk-jpl/jenkins/ross-debian_linux-solid_earth
===================================================================
--- /issm/trunk-jpl/jenkins/ross-debian_linux-solid_earth	(revision 24414)
+++ /issm/trunk-jpl/jenkins/ross-debian_linux-solid_earth	(revision 24415)
@@ -39,9 +39,4 @@
 
 # List of external packages to be installed and their installation scripts
-#
-# TODO:
-# - After upgrading Jenkins nodes to Ubuntu 18, use MPICH 3.3 and PETSc 3.11
-#	(which will install zlib, HDF5, and NetCDF).
-#
 EXTERNALPACKAGES="
 	autotools	install-debian.sh