Summary: What are the evil plans of the Triangle Water Company, and a strange signature.<br>Original Air Date: January 29, 1950<br>Host: Andrew Rhynes<br>Show: Hopalong Cassidy<br>Phone: (707) 98 OTRDW (6-8739)<br><br>Stars:<br>• William Boyd (Hopalong Cassidy)<br>• Andy Clyde (California Carlson)<br>Creator:<br>• Clarence Mulford<br>Producer:<br>• Walter White Jr.<br>Music:<br>• Albert Glaser
