'Which Way Did They Go?' episode #167—check out the stairways—check out the stove.  You can see this stove in 'Lou Mallory' & other episodes.
See odds n' ends page 22

'Shotgun Man' episode #69—check out the stairways
 

  'Lou Mallory' episode #145—Notice the background—The buildings are the same, just the names have been changed

'Which Way Did They Go?' episode #167
 

'Which Way Did They Go?'
episode #167

'Long Gun from Tucson' episode #121

'Which Way Did They Go?'
episode #167

'Old Man Running' episode #166