Black and white lantern slide of a map of flying routes over Yucatan, Mexico.

Black and white lantern slide of a water hoist wheel.

Black and white lantern slide of an indigenous man in a tall hat standing in front of a Model T Ford automobile near Uxmal, Mexico.

Black and white lantern slide of five men at the front of a train engine turning it manually.

Black and white lantern slide of people waiting on a railroad platform to baord a train in Yucatan, Mexico.

Black and white lantern slide sketch map of archaeological sites in Yucatan, Mexico.

Black and white lantern slide of three people standing next to an automobile on a very rocky road in Yucatan, Mexico.

Black and white photograph of a forest landscape with mountains in the background.

Black and white photograph of a forest landscape with mountains in the background.

Black and white photograph of a forest landscape with mountains in the background.

Black and white photograph of a mountain landscape behind foliage.

Black and white photograph of a mountain landscape.