Photograph of the Mission San Jose Church located at 701 E. Pyron Avenue in San Antonio, Texas. An acequia (irrigation ditch) is in the foreground. The water from this acequia was used to operate a grist mill. can be seen in the foreground of the mission with many archways and a garden planted outside of it.In the background the main building of the mission can be seen constructed of rocks and topped with a small rotunda.

Photograph of Adolph Streng standing among desert vegetation including ocotillo and greasewood in Big Bend National Park.

Photograph of Adolph Streng amid lush vegetation at The Window in Big Bend National Park. A mountainous landscape can be seen in the distance.

Photograph of the approach towards Chisos Mountains in Big Bend National park. There is desert vegetation growing throughout the surrounding area.

Photograph of Balanced Rock on Bear Mountain at Enchanted Rock State Natural Area. Two people are sitting on both sides of a balanced boulder and some foliage is growing on the left and right sides of the photo.

Photograph of unidentified family members standing in front of a basin cabin located in Big Bend National Park. The cabin is a small building with covered windows and there is various plant life growing throughout the surrounding area.

Photograph of the Mission San Jose church and bell tower located at 701 E. Pyron Avenue in San Antonio, Texas. The mission is constructed of rocks and there is a grassy lawn and wooden equipment pictured in front of the mission. Other parts of the mission are shown in the background behind the main building.

Photograph of an individual sitting beside Balanced Rock positioned on top of a rock formation. Some foliage is located on the left and right sides of the photo.

Photograph of unidentified family members standing beside the Big Bend National Park entrance sign. A mountainous landscape can be seen in the distance and various plant life is growing throughout the surrounding area.

Photograph of a blooming century plant and lush vegetation along Lost Mine Peak Trail in Big Bend National Park.

Photograph of large sized boulders on Bear Mountain at Enchanted Rock State Natural Area.

Photograph of boulders at Enchanted Rock State Natural Area. A person is standing beside a large boulder positioned on a slope and there are many rocks are in the distance.

Photograph of three calves eating out of a trough inside of their pen. There is a wooden fence surrounding the calves and there is some foliage located in the background.

Photograph of a gravel road approaching the Chisos Mountains at Big Bend National Park. Various plant life is growing throughout the surrounding area.

Photograph of a column at Enchanted Rock State Natural Area. A tall rock formation extends from a group of other rock formations.

Photograph of a slope at Enchanted Rock State Natural Area. A large rock formation takes up the majority of the photo. A person stands on the ground while another individual stands half way up the formation beside foliage growing out of the rocks.

Photograph of a rugged view of an eroded mountainside of the Chisos Mountains located in Big Bend National Park. Vegetation is growing along the mountainside and throughout the surrounding area.

Photograph of unidentified family members walking along Lost Mine Peak Trail in Big Bend National Park. Various plant life is growing throughout the surrounding area.

Photograph of unidentified family members standing by a small peak in the basin area of Big Bend National Park. The individuals are located beside a vehicle and various plant life is growing in the surrounding area.

Photograph of unidentified family members standing outside a basin cabin located in Big Bend National Park. The cabin is a small building with rectangular windows and the number "25" marked on its doors. A mountainous landscape can be seen in the distance and various plant life is growing throughout the surrounding area.

Photograph of a rock formation on top of Enchanted Rock State Natural Area. Small rocks are gathered on the bottom and some foliage is growing out of the higher reaches of the formation.

Photograph of the view of Lost Mine Peak and Green Gulch from a trail in Big Bend National Park. Vegetation is growing throughout the surrounding area.

Photograph of A. M. Fielder using a red hand plow in front of stalks of corn.

Photograph of a person standing on top of Enchanted Rock State Natural Area. Large rock formations surround the individual and trees can be seen in the background.