diff --git a/arcpro_npg/npg/npg/npg_bool_hlp.py b/arcpro_npg/npg/npg/npg_bool_hlp.py
index 00e5fab..95a5f04 100644
--- a/arcpro_npg/npg/npg/npg_bool_hlp.py
+++ b/arcpro_npg/npg/npg/npg_bool_hlp.py
@@ -34,10 +34,9 @@
 import sys
 import numpy as np
 from numpy.lib.stride_tricks import sliding_window_view as swv
-import npg
-from npg.npGeo import roll_arrays
-from npg_geom_hlp import sort_segment_pairs
-from npg.npg_plots import plot_polygons, plot_2d  # noqa
+from .npGeo import roll_arrays
+from .npg_geom_hlp import sort_segment_pairs
+from .npg_plots import plot_polygons, plot_2d  # noqa
 
 ft = {"bool": lambda x: repr(x.astype(np.int32)),
       "float_kind": '{: 6.2f}'.format}
diff --git a/arcpro_npg/npg/tbx_tools.py b/arcpro_npg/npg/tbx_tools.py
index f696d3a..0aff749 100644
--- a/arcpro_npg/npg/tbx_tools.py
+++ b/arcpro_npg/npg/tbx_tools.py
@@ -145,7 +145,7 @@
 from npg.npg_arc_npg import (get_SR, get_shape_K, fc_to_Geo, Geo_to_fc,
                              Geo_to_arc_shapes, fc_data)
 from npg.npg_create import circle, hex_flat, hex_pointy, rectangle, triangle
-from npg.npg_overlay import dissolve, merge_
+from npg.npg_bool_ops import merge_, union_adj  # Changed from npg_overlay
 
 from scipy.spatial import Voronoi  # Delaunay
 
@@ -697,7 +697,7 @@ def dissolve_boundaries(in_fc, gdb, name):
     g, oids, shp_kind, k, m, SR = _in_(in_fc, info)
     out_kind = shp_kind
     x, y = g.LL
-    g0 = dissolve(g, asGeo=True)
+    g0 = union_adj(g, asGeo=True)
     tweet("g0")
     # g0 = arrays_to_Geo(g0, kind=2, info="extent")
     g0 = g0.translate(dx=x, dy=y)