diff --git a/SimPEG/EM/Static/DC/RxDC.py b/SimPEG/EM/Static/DC/RxDC.py
index d2ec6098..84c777d4 100644
--- a/SimPEG/EM/Static/DC/RxDC.py
+++ b/SimPEG/EM/Static/DC/RxDC.py
@@ -43,7 +43,14 @@ class BaseRx(SimPEG.Survey.BaseRx):
         elif adjoint:
             return P.T*v
 
-# DC.Rx.Dipole(locs)
+# DC.Rx.Pole(locs)
+class Pole(BaseRx):
+
+    def __init__(self, locs, rxType = 'phi', **kwargs):
+        BaseRx.__init__(self, locs, rxType)
+
+
+# DC.Rx.Dipole(locsM, locsN)
 class Dipole(BaseRx):
 
     def __init__(self, locsM, locsN, rxType = 'phi', **kwargs):
diff --git a/SimPEG/Maps.py b/SimPEG/Maps.py
index a7f5a0ab..b45cba03 100644
--- a/SimPEG/Maps.py
+++ b/SimPEG/Maps.py
@@ -1145,13 +1145,13 @@ class ParametrizedBlockInLayer(IdentityMap):
         if self.slope is None:
             self.slope = self.slope_fact / np.hstack(self.mesh.h).min()
 
-        self.x = [self.mesh.gridCC[:,0] if self.indActive is None else self.mesh.gridCC[indActive,0]][0]
+        self.x = [self.mesh.gridCC[:,0] if self.indActive is None else self.mesh.gridCC[self.indActive,0]][0]
 
         if self.mesh.dim > 1:
-            self.y = [self.mesh.gridCC[:,1] if self.indActive is None else self.mesh.gridCC[indActive,1]][0]
+            self.y = [self.mesh.gridCC[:,1] if self.indActive is None else self.mesh.gridCC[self.indActive,1]][0]
 
         if self.mesh.dim > 2:
-            self.z = [self.mesh.gridCC[:,2] if self.indActive is None else self.mesh.gridCC[indActive,2]][0]
+            self.z = [self.mesh.gridCC[:,2] if self.indActive is None else self.mesh.gridCC[self.indActive,2]][0]
 
     @property
     def nP(self):
@@ -1160,6 +1160,12 @@ class ParametrizedBlockInLayer(IdentityMap):
         elif self.mesh.dim == 3:
             return 9
 
+    @property
+    def shape(self):
+        if self.indActive is not None:
+            return (sum(self.indActive), self.nP)
+        return (self.nC, self.nP)
+
     def _validate_m(self, m):
         # TODO: more sanity checks here
         if self.mesh.dim == 2: