Continuing our series on graphic design in letterhead, this installment features stationery from zoos and aquaria in the western United States during the mid 1950s – early 1970s.   (Letterhead from the late 19th and early 20th centuries is the subject of another post!)

Which is your favorite?  (You can right-click on the images to open them in new tabs and examine them more closely.)

1. Cheyenne Mountain Zoo 
   

   Cheyenne Mountain Zoological Park [Colorado Springs, CO], 1971

2. Utah’s Hogle Zoo 
   

   Hogle Zoological Garden [Salt Lake City, UT], 1963

3. Los Angeles Zoo
   

   Los Angeles Zoo, 1970

4. Marineland of the Pacific (Sold and abandoned, but kept in memory by the Marineland of the Pacific Historical Society)
   

   Marineland of the Pacific [Palos Verdes Peninsula, CA], 1956

5. Albuquerque BioPark Zoo (formerly the Rio Grande Park Zoo)
   

   Rio Grande Park Zoo [Albuquerque, NM], 1963

6. San Diego Zoo (not to be confused with the later–and related–San Diego Safari Park)
   

   San Diego Zoological Gardens, 1957

7. San Francisco Zoological Society, the parent organization of the SF Zoo
   

   San Francisco Zoological Society, 1963

8. Seattle Marine Aquarium (not related to the current Seattle Aquarium, which opened the same year the Seattle Marine Aquarium closed)
   

   Seattle Marine Aquarium, 1963