• IT WON'T. 190

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • HARVEST FESTIVAL CHARITY BALL 072

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • U.S. BONDS 034

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • TOO MUCH! 144

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • WET 'ER DOWN! 133

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • BLOCK and PROP 155

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • FALLS (e) 173

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • DON'T OVER - REACH 166

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • Bishop's CHARITY BALL (b) 157

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • WHAT, NO PRIDE 207

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • YOUR SPINE; Guard It 235

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • Soroptimist Holiday BALL 074

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • FINGER RINGS ARE DANGEROUS THINGS AT WORK! 175

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • Butter Fingers 042

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • HANDS OFF! 069

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • BLOCK and PROP (b/w) 154

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • INVEST IN SAFETY! 075

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • A LIFE AT STAKE!(?) 032

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • 2 of a Kind! b 016

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining
  • FALLS (b) 172

    Powers, John J

    The safety posters were designed and printed specifically for the safety department of the Anaconda Copper Mining Company. Unique by creator and location, the posters are a treasure to the city of But…

    View Full Item  in World Museum of Mining