The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
The Mark Twain Steamboat Passes Cascade Peak. 1976
The Mark Twain Steamboat Passes Cascade Peak and Its Beautiful Waterfalls. Frontierland
Disneyland. Sleeping Beauty Castle. Jungle Cruise. Mark Twain Steamboat. Walt Disney Productions. Multi View
Mark Twain Steamboat. Frontierland. Disneyland. 1972
Mark Twain. The sternwheeler. Frontierland. Disneyland. 1975. Rivers of America
Cheddar Caves. The Cascade St. Paul. A. G. H. Gough
Cheddar Caves. The Cascade. St. Paul. A. G. H. Gough