Lot of 3 Vintage store Tour Guide Books Carlsbad Cavern, Nicholson 1930 Montezuma Well

Lot of 3 Vintage Tour Guide Books Carlsbad Cavern, Montezuma Well, AZ Wildlife

1) Arizona Wildlife Mammals (Pocket Size Booklet)
    by William store R. Hernbrode, circa 1960s

2) Montezuma Well Trail, Montezuma Castle National Monument, Arizona
    by Southwestern Monuments Association, November, 1967

3) The Exploration of Carlsbad Cavern
    by Frank Ernest Nicholson, October, 1930 2nd Printing