diff --git a/doc/src/dump.rst b/doc/src/dump.rst
index 4b60a9705e..800542475d 100644
--- a/doc/src/dump.rst
+++ b/doc/src/dump.rst
@@ -250,13 +250,20 @@ the :doc:`dump_modify <dump_modify>` page for details.
 The *style* keyword determines what kind of data is written to the
 dump file(s) and in what format.
 
-Note that *atom*, *custom*, *dcd*, *xtc*, and *xyz* style dump files
-can be read directly by `VMD <https://www.ks.uiuc.edu/Research/vmd>`_,
-a popular tool for viewing molecular system.
+Note that *atom*, *custom*, *dcd*, *xtc*, *xyz*, and *yaml* style dump
+files can be read directly by `VMD <https://www.ks.uiuc.edu/Research/vmd>`_,
+a popular tool for visualizing and analyzing trajectories from atomic
+and molecular systems.  For reading *netcdf* style dump files, the
+netcdf plugin needs to be recompiled from source using a NetCDF version
+compatible with the one used by LAMMPS.  The bundled plugin binary
+uses a very old version of NetCDF that is not compatible with LAMMPS.
 
-Likewise the `OVITO visualization tool <https://www.ovito.org>`_,
-popular for materials modeling, can read the *atom*, *custom*, and
-*grid* style dump files.
+Likewise the `OVITO visualization package <https://www.ovito.org>`_,
+popular for materials modeling, can read the *atom*, *custom*,
+*local*, *xtc*, *cfg*, *netcdf*, and *xyz* style atom dump files
+directly.  With version 3.8 and above, OVITO can also read and
+visualize *grid* style dump files with grid cell data, including
+iso-surface images of the grid cell values.
 
 Note that settings made via the :doc:`dump_modify <dump_modify>`
 command can also alter the format of individual values and content of
diff --git a/src/create_atoms.cpp b/src/create_atoms.cpp
index 9c66d1d19b..f070d0a53f 100644
--- a/src/create_atoms.cpp
+++ b/src/create_atoms.cpp
@@ -441,10 +441,12 @@ void CreateAtoms::command(int narg, char **arg)
   MPI_Barrier(world);
   double time1 = platform::walltime();
 
+  // clear global->local map for owned and ghost atoms
   // clear ghost count and any ghost bonus data internal to AtomVec
   // same logic as beginning of Comm::exchange()
   // do it now b/c creating atoms will overwrite ghost atoms
 
+  if (atom->map_style != Atom::MAP_NONE) atom->map_clear();
   atom->nghost = 0;
   atom->avec->clear_bonus();
 
diff --git a/src/read_data.cpp b/src/read_data.cpp
index 31289cdd82..85f5accc4b 100644
--- a/src/read_data.cpp
+++ b/src/read_data.cpp
@@ -375,6 +375,16 @@ void ReadData::command(int narg, char **arg)
   if (addflag == NONE) {
     domain->box_exist = 1;
     update->ntimestep = 0;
+  } else {
+
+    // clear global->local map for owned and ghost atoms
+    // clear ghost count and any ghost bonus data internal to AtomVec
+    // same logic as beginning of Comm::exchange()
+    // do it now b/c adding atoms will overwrite ghost atoms
+
+    if (atom->map_style != Atom::MAP_NONE) atom->map_clear();
+    atom->nghost = 0;
+    atom->avec->clear_bonus();
   }
 
   // compute atomID and optionally moleculeID offset for addflag = APPEND