Map of the Carlsbad Caverns National Park area, in 1948.
Carlsbad Caverns, Carlsbad Caverns National Park, Eddy County, New Mexico, USA
The underground location map of Carlsbad Caverns National Park with surface superimposed, drawn by John J. Black, September 1948. Vintage fanfold card, photographer Curt Teich & Co., Chicago. The card was sent on 8 September 1950 from Picher Oklahoma to Recklinghausen, Germany.
G. Grundmann collection.
© Curt Teich & Co., Chicago.