Lot of 4 Vintage Carlsbad Caverns, NM brochures, ephemera, 1953-54

Description

This listing includes four (4) pieces of ephemera relating to Carlsbad Caverns, New Mexico.  The items were acquired by family members on a road trip to New Mexico in 1953-54.  They have been in dry storage for over 60 years.  The items are as follows:
1 brochure:  "Carlsbad Caverns of New Mexico-its history and geology"; 24th edition, 1946; includes a map of Carlsbad Caverns, plus 35 interior pages, both black/white and color, and front and back covers; interior pages and map in excellent condition-no marks, no nicks; front and back cover have some mild paper loss at the spine and margins.
1 brochure: "Carlsbad Caverns National Park" fold-out with map; dated 1954; black and white; very good condition-minor nicks at edges and one small hole in margin of map; small "dog-ear" in upper right corner;
1 fold-out postcard packet:  "Carlsbad Caverns National Park, New Mexico"; 14 images of the caverns and surrounding area; 1953-54; excellent condition-looks unused
1 souvenir mailing envelope:  marked "Carlsbad Caverns of New Mexico" in sepia tone print on light blue paper; 1953-54; excellent condition-unused, with small nick at top of envelope from storage