Photograph of the Robert G. LeTourneau ship, stuck in mud in the Amazon River, 1954-06-13. The R.G. LeTourneau Foundation built a city on the headwaters of the Amazon River by clearing 990,000 acres it had been granted by the Peruvian government in exchange for building 31 miles of road through the Amazon rainforest.

Photograph of a group of unidentified men standing in front of a LeTourneau tree roller in Tournavista, Peru. The R.G. LeTourneau Foundation built this city on the headwaters of the Amazon River by clearing 990,000 acres it had been granted by the Peruvian government in exchange for building 31 miles of road through the Amazon rainforest.

Photograph of a L-15908 tree roller. It was a diesel-electric machine designed to quickly push down and crush trees. This model was used in Tournavista, Peru, a mission town founded by the LeTourneau Foundation, the charitable arm of the company.

Photograph of a man with the monoliths and shrines on the grounds of Qenqo Temple in Peru.

Photograph of Mildred Zichner in front of the airport in Iquitos in Peru.

Photograph of a wedding at the Archbishop's Palace in Lima, Peru.

Photograph of sculpture and architectural detail on the Basilica of Nuestra Senora de la Merced in Lima, Peru.

Photograph of the sculptures and architectural details of the facade of the Basilica of the Nuestra Senora de la Merced in Lima, Peru.

Photograph of the front of the Basilica of Nuestra Senora de la Merced in Lima, Peru.

Photograph of Mildred Zichner at the Cajamarquilla Ruins near Lima, Peru.

Photograph of the Cajarmarquilla Ruins near Lima, Peru.

Photograph of the Cathedral of Lima in Lima, Peru.

Photograph of the front of the Church of San Augustin in Lima, Peru.

Photograph of a stagecoach at a 350 year old house in Lima, Peru.

Photograph of a day's catch in fishes in Callao, Peru.

Photograph of fishing boats in Callao, Peru.

Photograph of fishing boats on the water in Callao, Peru.

Photograph of the Andes Mountains on a flight to Lima, Peru.

Photograph of a market with local people on the streets of Lima, Peru.

Photograph of ornamentation on the front of a building in Lima, Peru.

Photograph of guards marching at the Government Palace in Lima, Peru.

Photograph of the Gran Hotel Bolivar in Lima, Peru.

Photograph of guards at the gates of the Archbishop's Palace in Lima, Peru.

Photograph of the inner construction of a building in Lima, Peru.