This article describes the use of a low-cost GPS-based protocol to construct a high-resolution digital elevation model for a rugged, remote mountain site in the northern Peruvian Andes.

This report examines the potential implications of a prospective Trans-Pacific Partnership Agreement (TPP) on the U.S. textile manufacturing industry. The TPP is a proposed regional free trade agreement (FTA) currently under negotiation among 11 Pacific Rim countries.

Report that discusses the Trans-Pacific Partnership Agreement (TPP), a free trade agreement that includes nations on both sides of the Pacific. Topics include similar trade partnerships, the importance of Asia to U.S. trade and security interests, and U.S. participation in the TPP.

This report discusses the U.S.-Peru Trade Promotion Agreement (PTPA) and the two types of formal dispute settlement it contains: 1) State-State and 2) investor-State. The report also discusses how the PTPA differs from earlier U.S. Free Trade Agreements (FTAs).

This report discusses the Trans-Pacific Partnership Agreement (TPP), a free trade agreement that includes nations on both sides of the Pacific. Original members of the TPP were Brunei, Chile, New Zealand, and Singapore. The United States, Australia, Peru, and Vietnam have committed themselves to joining and expanding this group. This report discusses similar trade partnerships, the importance of Asia to U.S. trade and security interests, and U.S. participation in the TPP.

Photograph of a boy running down a street Cusco, Peru. A stone wall runs stretches the length of the road on the left.

Photograph of the Church of the Society of Jesus (Iglesia de la Compañía de Jesús) in Cusco, Peru. People can be seen amongst the Main Square (Plaza de Armas) in the foreground. The plaza contains a fountain in its center and the church is visible just beyond it.

Photograph of the courtyard of a hotel in Cusco, Peru. A small water fountain is present in the center of the courtyard. A cloister surrounds the courtyard and has both an upper and lower level. There is greenery throughout the courtyard.

Photograph of two women standing next to a street. The Cusco Cathedral can be seen to the right and in the background. Additional buildings are present in the background.

Photograph of the Church of the Society of Jesus (Iglesia de la Compañía de Jesús) in Cusco, Peru. The church is seen through an archway in the foreground. The street in front of the church is shown with people crossing and cars driving down it. Mountains can be seen in the distance.

Photograph of agricultural terraces in Ollantaytambo, Peru. These terraces are made of stone and are also known as "andenes."

Photograph of agricultural terraces in Pisac, Peru. These terraces are made of stone and are also known as "andenes." Mountains can be seen in the background.

Photograph of agricultural terraces in Pisac, Peru. These terraces are made of stone and are also known as "andenes." A stream runs alongside the terraces.

Photograph of boats docked on the shore of Lake Titicaca in Puno, Peru. Multiple people can be seen standing near the boats, while one woman appears to be deboarding a boat. The lake as well as mountains are visible in the background.

Photograph of ruins in Pisac, Peru. An old stone wall can be seen in the foreground. Delapidated buildings are present at the top of a hill, behind the stone wall.

Photograph of the Chinchero Archeological Site (Zona Arqueológica de Chinchero) in Chinchero, Peru. Multiple stone walls are present at the site. The Church of Our Lady of the Nativity (Iglesia de Nuestra Señora de la Natividad) can be seen on the left.

Photograph of the Church of Our Lady of the Nativity (Iglesia de Nuestra Señora de la Natividad) in Chinchero, Peru. Multiple stone walls can be seen in the foreground. The church is located at the top of a hill.

Photograph of the Enclosure of the Ten Niches (Recinto de las 10 Hornacinas) which is part of the ruins in Ollantaytambo, Peru. The enclosure has an entryway and a row of ten niches along the left side. Other structures that are part of the ruins can be seen in the background.

Photograph of the an up-close view of the Enclosure of the Ten Niches (Recinto de las 10 Hornacinas) which is part of the ruins in Ollantaytambo, Peru. One of the ten niches is shown and is surrounded by a stone wall.

Photograph of farmland at Taquile Island in Peru. Two small buildings can be seen next to the farmland. Lake Titicaca is visible in the background.

Photograph of the Guardhouse, also known as the Caretaker’s Hut, a stone structured with a thatched roof at the Inca site of Machu Picchu. The Guardhouse is located at the top of a terraced hill overlooking Machu Picchu's two main entrances. A llama can be seen standing on a pathway mid-way up the hill.

Photograph of a house structure with thatched roof at the Machu Picchu site in Peru. A stone staircase leads to the house which has a rectangular opening.

Photograph of the Inca Bridge (Puente del Inca) at the Machu Picchu site in Peru. The bridge is located on the edge of a steep mountain and consists of two stone walls with thick wooden logs laid across them.

Photograph of the Inca Bridge (Puente del Inca) at the Machu Picchu site in Peru. The bridge is located on the edge of a steep mountain and consists of two stone walls with thick wooden logs laid across them.