diff --git a/notebooks/DC_schumberger_Inv.ipynb b/notebooks/DC_schumberger_Inv.ipynb
index e2a27ce0..9441b280 100644
--- a/notebooks/DC_schumberger_Inv.ipynb
+++ b/notebooks/DC_schumberger_Inv.ipynb
@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:6f2469c3448302728c618fff9269b3bdf8a5a014311fdeb21e9d78722d80229d"
+  "signature": "sha256:6d6af1057c1850efe10fdefd31e17fe9c89bce947e1f3745be6437de3f80879b"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -379,8 +379,8 @@
       "ax.set_xlim(-600, 600)\n",
       "ax.set_ylim(-200, 200)\n",
       "ax.set_title('Survey geometry (Plan view)')\n",
-      "ax.set_xlabel('x (m)')\n",
-      "ax.set_ylabel('y (m)')\n",
+      "ax.set_xlabel('Easting (m)')\n",
+      "ax.set_ylabel('Northing (m)')\n",
       "ax.text(-600, 210, '(a)', fontsize = 16)\n",
       "fig.savefig('DCsurvey.png', dpi = 200)"
      ],
diff --git a/notebooks/DCfwd.png b/notebooks/DCfwd.png
index db8ff2d3..36bd8bd0 100644
Binary files a/notebooks/DCfwd.png and b/notebooks/DCfwd.png differ
diff --git a/notebooks/DCsurvey.png b/notebooks/DCsurvey.png
index bdbe34f6..6d551e23 100644
Binary files a/notebooks/DCsurvey.png and b/notebooks/DCsurvey.png differ
diff --git a/notebooks/cond3d.png b/notebooks/cond3d.png
index cd247126..7d783657 100644
Binary files a/notebooks/cond3d.png and b/notebooks/cond3d.png differ
diff --git a/notebooks/logcond1d.png b/notebooks/logcond1d.png
index 4bd244f7..008e09bb 100644
Binary files a/notebooks/logcond1d.png and b/notebooks/logcond1d.png differ